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1

H2 Hydrogen Hungary Ltd aka Integral Energy | Open Energy Information  

Open Energy Info (EERE)

Hydrogen Hungary Ltd aka Integral Energy Hydrogen Hungary Ltd aka Integral Energy Jump to: navigation, search Name H2 Hydrogen Hungary Ltd (aka Integral Energy) Place Ipoly u 1/A, Hungary Zip H-6000 Sector Solar Product Owns an empty factory in Hungary, which it plans to use to make heat pumps and assemble solar panels. References H2 Hydrogen Hungary Ltd (aka Integral Energy)[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. H2 Hydrogen Hungary Ltd (aka Integral Energy) is a company located in Ipoly u 1/A, Hungary . References ↑ "[ H2 Hydrogen Hungary Ltd (aka Integral Energy)]" Retrieved from "http://en.openei.org/w/index.php?title=H2_Hydrogen_Hungary_Ltd_aka_Integral_Energy&oldid=346329

2

Hydrogen (H2)  

NLE Websites -- All DOE Office Websites (Extended Search)

Hydrogen (H2) Hydrogen (H2) Historical Records from Ice Cores Deuterium Record from Dome C, Antarctica Continuous Measurements Advanced Global Atmospheric Gases Experiment (AGAGE,...

3

DOE Hydrogen Analysis Repository: Hydrogen (H2) Co-Production...  

NLE Websites -- All DOE Office Websites (Extended Search)

Integrated with Stationary Fuel Cell Systems Project Summary Full Title: Thermodynamic, Economic, and Environmental Modeling of Hydrogen (H2) Co-Production Integrated...

4

DOE Hydrogen Analysis Repository: H2A Production Model  

NLE Websites -- All DOE Office Websites (Extended Search)

Production Model Project Summary Full Title: H2A Hydrogen Production Cost Analysis Model Project ID: 219 Principal Investigator: Todd Ramsden Brief Description: The H2A Production...

5

DOE Hydrogen Analysis Repository: H2M Model of H2 Production...  

NLE Websites -- All DOE Office Websites (Extended Search)

gas; GHG-constrained Purpose H2M supports a number of milestones in the Systems Analysis and Systems Integration activities of the DOE Hydrogen Program. Performer...

6

Hydrogen Analysis (H2A) | Open Energy Information  

Open Energy Info (EERE)

Hydrogen Analysis (H2A) Hydrogen Analysis (H2A) Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Hydrogen Analysis (H2A) Agency/Company /Organization: National Renewable Energy Laboratory Sector: Energy Focus Area: Economic Development Topics: Policies/deployment programs Website: www.nrel.gov/hydrogen/energy_analysis.html#h2a OpenEI Keyword(s): EERE tool Language: English References: H2A Analysis[1] Perform economic analysis of forecourt (distributed) and central hydrogen production systems using various energy resources, including renewables, coal, natural gas, and biomass; calculate the delivered cost of hydrogen for a particular delivery component. H2A, which stands for Hydrogen Analysis, was initiated to better leverage the combined talents and capabilities of analysts working on hydrogen

7

Hydrogen (H2) Production by Oxygenic Phototrophs  

NLE Websites -- All DOE Office Websites (Extended Search)

Production by Oxygenic Phototrophs Eric L. Hegg Michigan State University Great Lakes Bioenergy Research Center Bioresour. Technol. 2011, 102, 8589-8604 Major Challenges to H 2 Photoproduction Biological Challenges * Poor efficiency of H 2 production * Poor heterologous expression of H 2 -forming enzymes * Low quantum yields * Competition for reducing equivalents; poor electron coupling * Sensitivity of H 2 -forming enzymes to O 2 M. Ghirardi, Abstract #1751, Honolulu PRiME 2012 Technical Challenges * Mixture of H 2 and O 2 ; H 2 separation and storage * CO 2 addition and overall reactor design Overcoming Low Efficiency: Improving ET * Eliminate or down-regulate pathways competing for ele * Production of organic acids * Formation of NADPH/carbon fixation

8

H2A Hydrogen Production Analysis Tool (Presentation)  

NLE Websites -- All DOE Office Websites (Extended Search)

Cost Analyses Darlene Steward, NREL H2A Overview * Discounted cash flow analysis tool for production of hydrogen from various feedstocks - Inputs are; * Capital costs * Operating...

9

DOE Hydrogen Analysis Repository: Transition Analysis - H2 Production...  

NLE Websites -- All DOE Office Websites (Extended Search)

Transition Analysis - H2 Production and Delivery Infrastructure Project Summary Full Title: Transition Analysis of the Hydrogen Production and Delivery Infrastructure as a Complex...

10

Hydrogen Delivery Model for H2A Analysis: A Spreadsheet Model For Hydrogen Delivery Scenarios  

E-Print Network (OSTI)

FINAL REPORT HYDROGEN DELIVERY MODEL FOR H2AA SPREADSHEET MODEL FOR HYDROGEN DELIVERY SCENARIOS Joan M.Department of Energy Hydrogen, Fuel Cells and Infrastructure

Ogden, Joan

2004-01-01T23:59:59.000Z

11

Hydrogen Delivery Model for H2A Analysis: A Spreadsheet Model for Hydrogen Delivery Scenarios  

E-Print Network (OSTI)

FINAL REPORT HYDROGEN DELIVERY MODEL FOR H2AA SPREADSHEET MODEL FOR HYDROGEN DELIVERY SCENARIOS Joan M.Department of Energy Hydrogen, Fuel Cells and Infrastructure

Ogden, Joan M

2004-01-01T23:59:59.000Z

12

DOE Hydrogen Analysis Repository: H2 Fueling Appliances Cost and  

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H2 Fueling Appliances Cost and Performance H2 Fueling Appliances Cost and Performance Project Summary Full Title: H2 Production Infrastructure Analysis - Task 2: Cost and Performance of H2 Fueling Appliances Project ID: 80 Principal Investigator: Brian James Keywords: Costs; steam methane reforming (SMR); autothermal reforming (ATR); hydrogen fueling Purpose The purpose of the analysis was to estimate the capital cost and the resulting cost of hydrogen of several types of methane-fueled hydrogen production systems. A bottoms-up cost analysis was conducted of each system to generate a system design and detailed bill-of-materials. Estimates of the overall capital cost of the hydrogen production appliance were generated. This work supports Systems Analysis Milestone A1. ("Complete techno-economic analysis on production and delivery technologies currently

13

The Hydrogen Futures Simulation Model (H[2]Sim) technical description.  

SciTech Connect

Hydrogen has the potential to become an integral part of our energy transportation and heat and power sectors in the coming decades and offers a possible solution to many of the problems associated with a heavy reliance on oil and other fossil fuels. The Hydrogen Futures Simulation Model (H2Sim) was developed to provide a high level, internally consistent, strategic tool for evaluating the economic and environmental trade offs of alternative hydrogen production, storage, transport and end use options in the year 2020. Based on the model's default assumptions, estimated hydrogen production costs range from 0.68 $/kg for coal gasification to as high as 5.64 $/kg for centralized electrolysis using solar PV. Coal gasification remains the least cost option if carbon capture and sequestration costs ($0.16/kg) are added. This result is fairly robust; for example, assumed coal prices would have to more than triple or the assumed capital cost would have to increase by more than 2.5 times for natural gas reformation to become the cheaper option. Alternatively, assumed natural gas prices would have to fall below $2/MBtu to compete with coal gasification. The electrolysis results are highly sensitive to electricity costs, but electrolysis only becomes cost competitive with other options when electricity drops below 1 cent/kWhr. Delivered 2020 hydrogen costs are likely to be double the estimated production costs due to the inherent difficulties associated with storing, transporting, and dispensing hydrogen due to its low volumetric density. H2Sim estimates distribution costs ranging from 1.37 $/kg (low distance, low production) to 3.23 $/kg (long distance, high production volumes, carbon sequestration). Distributed hydrogen production options, such as on site natural gas, would avoid some of these costs. H2Sim compares the expected 2020 per mile driving costs (fuel, capital, maintenance, license, and registration) of current technology internal combustion engine (ICE) vehicles (0.55$/mile), hybrids (0.56 $/mile), and electric vehicles (0.82-0.84 $/mile) with 2020 fuel cell vehicles (FCVs) (0.64-0.66 $/mile), fuel cell vehicles with onboard gasoline reformation (FCVOB) (0.70 $/mile), and direct combustion hydrogen hybrid vehicles (H2Hybrid) (0.55-0.59 $/mile). The results suggests that while the H2Hybrid vehicle may be competitive with ICE vehicles, it will be difficult for the FCV to compete without significant increases in gasoline prices, reduced predicted vehicle costs, stringent carbon policies, or unless they can offer the consumer something existing vehicles can not, such as on demand power, lower emissions, or better performance.

Jones, Scott A.; Kamery, William; Baker, Arnold Barry; Drennen, Thomas E.; Lutz, Andrew E.; Rosthal, Jennifer Elizabeth

2004-10-01T23:59:59.000Z

14

The Hydrogen Futures Simulation Model (H[2]Sim) technical description.  

DOE Green Energy (OSTI)

Hydrogen has the potential to become an integral part of our energy transportation and heat and power sectors in the coming decades and offers a possible solution to many of the problems associated with a heavy reliance on oil and other fossil fuels. The Hydrogen Futures Simulation Model (H2Sim) was developed to provide a high level, internally consistent, strategic tool for evaluating the economic and environmental trade offs of alternative hydrogen production, storage, transport and end use options in the year 2020. Based on the model's default assumptions, estimated hydrogen production costs range from 0.68 $/kg for coal gasification to as high as 5.64 $/kg for centralized electrolysis using solar PV. Coal gasification remains the least cost option if carbon capture and sequestration costs ($0.16/kg) are added. This result is fairly robust; for example, assumed coal prices would have to more than triple or the assumed capital cost would have to increase by more than 2.5 times for natural gas reformation to become the cheaper option. Alternatively, assumed natural gas prices would have to fall below $2/MBtu to compete with coal gasification. The electrolysis results are highly sensitive to electricity costs, but electrolysis only becomes cost competitive with other options when electricity drops below 1 cent/kWhr. Delivered 2020 hydrogen costs are likely to be double the estimated production costs due to the inherent difficulties associated with storing, transporting, and dispensing hydrogen due to its low volumetric density. H2Sim estimates distribution costs ranging from 1.37 $/kg (low distance, low production) to 3.23 $/kg (long distance, high production volumes, carbon sequestration). Distributed hydrogen production options, such as on site natural gas, would avoid some of these costs. H2Sim compares the expected 2020 per mile driving costs (fuel, capital, maintenance, license, and registration) of current technology internal combustion engine (ICE) vehicles (0.55$/mile), hybrids (0.56 $/mile), and electric vehicles (0.82-0.84 $/mile) with 2020 fuel cell vehicles (FCVs) (0.64-0.66 $/mile), fuel cell vehicles with onboard gasoline reformation (FCVOB) (0.70 $/mile), and direct combustion hydrogen hybrid vehicles (H2Hybrid) (0.55-0.59 $/mile). The results suggests that while the H2Hybrid vehicle may be competitive with ICE vehicles, it will be difficult for the FCV to compete without significant increases in gasoline prices, reduced predicted vehicle costs, stringent carbon policies, or unless they can offer the consumer something existing vehicles can not, such as on demand power, lower emissions, or better performance.

Jones, Scott A.; Kamery, William; Baker, Arnold Barry; Drennen, Thomas E.; Lutz, Andrew E.; Rosthal, Jennifer Elizabeth

2004-10-01T23:59:59.000Z

15

DOE Hydrogen Analysis Repository: H2 Production by Fermentation  

NLE Websites -- All DOE Office Websites (Extended Search)

H2 Production by Fermentation H2 Production by Fermentation Project Summary Full Title: Boundary Analysis for H2 Production by Fermentation Project ID: 70 Principal Investigator: Tim Eggeman Keywords: Hydrogen production; pressure swing adsorption (PSA); glucose; costs; fermentation Performer Principal Investigator: Tim Eggeman Organization: Neoterics International Address: 2319 S. Ellis Ct. Lakewood, CO 80228 Telephone: 303-358-6390 Email: time@NeotericsInt.com Sponsor(s) Name: Roxanne Garland Organization: DOE/EERE/HFCIT Telephone: 202-586-7260 Email: Roxanne.Garland@ee.doe.gov Name: Margaret Mann Organization: National Renewable Energy Laboratory Telephone: 303-275-2921 Email: Margaret_mann@nrel.gov Period of Performance Start: July 2001 End: September 2004 Project Description Type of Project: Analysis

16

DOE Hydrogen and Fuel Cells Program: DOE H2A Analysis  

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Hydrogen Production Hydrogen Production Hydrogen Delivery Hydrogen Storage Hydrogen Manufacturing Fuel Cells Applications/Technology Validation Safety Codes and Standards Education Basic Research Systems Analysis Analysis Repository H2A Analysis Production Delivery Fuel Cell Power Comments Hydrogen Analysis Resource Center Scenario Analysis Well-to-Wheels Analysis Systems Integration U.S. Department of Energy Search help Home > Systems Analysis > DOE H2A Analysis Printable Version DOE H2A Analysis The Hydrogen Analysis (H2A) Project H2A Basic Model Architecture H2A Standard Economic Assumptions H2A Production Analysis H2A Delivery Analysis Fuel Cell Power Analysis The Hydrogen Analysis (H2A) Project Research and programmatic decisions should be informed by sound analysis - not only a comparative analysis of costs, but also of the energy and

17

Analyzing Natural Gas Based Hydrogen Infrastructure - Optimizing Transitions from Distributed to Centralized H2 Production  

E-Print Network (OSTI)

integration team for the National Hydrogen Roadmap in 2002.in the H2A, a group of hydrogen analysts convened by theframework for analyzing hydrogen systems, and serves on the

Yang, Christopher; Ogden, Joan M

2005-01-01T23:59:59.000Z

18

Fuel Cell Technologies Office: Hydrogen Production Analysis Using the H2A  

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Production Production Analysis Using the H2A v3 Model (Text Version) to someone by E-mail Share Fuel Cell Technologies Office: Hydrogen Production Analysis Using the H2A v3 Model (Text Version) on Facebook Tweet about Fuel Cell Technologies Office: Hydrogen Production Analysis Using the H2A v3 Model (Text Version) on Twitter Bookmark Fuel Cell Technologies Office: Hydrogen Production Analysis Using the H2A v3 Model (Text Version) on Google Bookmark Fuel Cell Technologies Office: Hydrogen Production Analysis Using the H2A v3 Model (Text Version) on Delicious Rank Fuel Cell Technologies Office: Hydrogen Production Analysis Using the H2A v3 Model (Text Version) on Digg Find More places to share Fuel Cell Technologies Office: Hydrogen Production Analysis Using the H2A v3 Model (Text Version) on AddThis.com...

19

Hydrogen Technology Analysis: H2A Production Model Update (Presentation)  

DOE Green Energy (OSTI)

This presentation by Todd Ramsden at the 2007 DOE Hydrogen Program Annual Merit Review Meeting provides information about NREL's hydrogen technology analysis activities.

Ramsden, T.

2007-05-15T23:59:59.000Z

20

DOE Hydrogen Analysis Repository: H2 Delivery Infrastructure...  

NLE Websites -- All DOE Office Websites (Extended Search)

carriers. Keywords: Hydrogen delivery; Hydrogen infrastructure; tube trailers; pipelines Purpose This project will conduct an in-depth comparative analysis of the various...

Note: This page contains sample records for the topic "h2 hydrogen hungary" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


21

DOE Hydrogen Analysis Repository: H2CAS Model  

NLE Websites -- All DOE Office Websites (Extended Search)

decisions and actions of drivers; hydrogen fueling station investors; combined heat, hydrogen, and power system owners; and vehicle original equipment manufacturers are modeled....

22

DOE Hydrogen Analysis Repository: H2A Delivery Scenario Analysis...  

NLE Websites -- All DOE Office Websites (Extended Search)

Scenario Analysis Model (HDSAM) Project Summary Full Title: H2A Delivery Scenario Analysis Model (HDSAM) Project ID: 218 Principal Investigator: Marianne Mintz Keywords: Models;...

23

Hydrogen (H2) Production by Anoxygenic Purple Nonsulfur Bacteria  

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produc8on by anoxygenic purple nonsulfur bacteria James 'Jake' McKinlay Assistant Professor, Biology Indiana University, Bloomington 4 N 2 + + 2NH 3 Purple n on---sulfur b acteria produce H 2 via n itrogenase biosynthe8c precursors and CO 2 central organic 'waste' metabolism compounds H + e --- Nitrogenase H 2 ATP Light (cyclic) energy photophosphoryla/on N 2 + 8H + + 8e - + 16ATP à H 2 + 2NH 4 + 8H + + 8e - + 16ATP à 4H 2 This is mode of photosynthesis does not produce oxygen Current state of the technology * H 2 yields - Growing : 10 - 25% of theoreIcal maximum - Non---growing: 40 - 91% of theoreIcal maximum * H 2 producIon rates L ---1 h --- - 10 - 82.5 ml H 2 L ---1 h ---1 over - 67 ml H 2 4000 h * Immobilized in 70 μm---thick latex film. Gosse et al. 2010. Biotechnol. P rog. 26: 907 - 18 * PhotosyntheIc efficiency: 1 - 2% - 6% Barbosa et al. 2001. J. Biotechnol. 8 5: 25---33 Reviewed

24

DOE Hydrogen Analysis Repository: H2A Case Study: Current Central...  

NLE Websites -- All DOE Office Websites (Extended Search)

Coal without Sequestration Project Summary Full Title: H2A Case Study: Current (2005) Hydrogen from Coal without CO2 Capture and Sequestration Project ID: 231 Principal...

25

Critical Updates to the Hydrogen Analysis Production Model (H2A...  

NLE Websites -- All DOE Office Websites (Extended Search)

sources H2A Calculations *Cost escalation *Plant scaling *Financial calculations *Cash flow calculations and levelized cost of hydrogen NATIONAL RENEWABLE ENERGY LABORATORY...

26

DOE Hydrogen Analysis Repository: H2A Delivery Components Model  

NLE Websites -- All DOE Office Websites (Extended Search)

Investigator: Matt Ringer Keywords: Hydrogen delivery; tube trailers; costs; pipelines Performer Principal Investigator: Matt Ringer Organization: National Renewable...

27

DOE Hydrogen Analysis Repository: Sensitivity Analysis of H2...  

NLE Websites -- All DOE Office Websites (Extended Search)

David Greene Brief Description: This project seeks to understand market prospects, costs, and benefits of light-duty hydrogen fuel cell vehicles and their sensitivity to...

28

The hydrogen futures simulation model (H2Sim) user's guide.  

DOE Green Energy (OSTI)

The Hydrogen Futures Simulation Model (H{sub 2}Sim) is a high level, internally consistent, strategic tool for exploring the options of a hydrogen economy. Once the user understands how to use the basic functions, H{sub 2}Sim can be used to examine a wide variety of scenarios, such as testing different options for the hydrogen pathway, altering key assumptions regarding hydrogen production, storage, transportation, and end use costs, and determining the effectiveness of various options on carbon mitigation. This User's Guide explains how to run the model for the first time user.

Kamery, William; Baker, Arnold Barry; Drennen, Thomas E.; Rosthal, Jennifer Elizabeth

2004-11-01T23:59:59.000Z

29

Hydrogen effects on materials for CNG/H2 blends.  

Science Conference Proceedings (OSTI)

No concerns for Hydrogen-Enriched Compressed Natural gas (HCNG) in steel storage tanks if material strength is CNG) (e.g., CO) may provide extrinsic mechanism for mitigating H{sub 2}-assisted fatigue cracking in steel tanks.

Farese, David (Air Products, USA); Keller, Jay O.; Somerday, Brian P.

2010-09-01T23:59:59.000Z

30

Leak Detection and H2 Sensor Development for Hydrogen Applications  

DOE Green Energy (OSTI)

The objectives of this report are: (1) Develop a low cost, low power, durable, and reliable hydrogen safety sensor for a wide range of vehicle and infrastructure applications; (2) Continually advance test prototypes guided by materials selection, sensor design, electrochemical R&D investigation, fabrication, and rigorous life testing; (3) Disseminate packaged sensor prototypes and control systems to DOE Laboratories and commercial parties interested in testing and fielding advanced prototypes for cross-validation; (4) Evaluate manufacturing approaches for commercialization; and (5) Engage an industrial partner and execute technology transfer. Recent developments in the search for sustainable and renewable energy coupled with the advancements in fuel cell powered vehicles (FCVs) have augmented the demand for hydrogen safety sensors. There are several sensor technologies that have been developed to detect hydrogen, including deployed systems to detect leaks in manned space systems and hydrogen safety sensors for laboratory and industrial usage. Among the several sensing methods electrochemical devices that utilize high temperature-based ceramic electrolytes are largely unaffected by changes in humidity and are more resilient to electrode or electrolyte poisoning. The desired sensing technique should meet a detection threshold of 1% (10,000 ppm) H{sub 2} and response time of {approx_equal}1 min, which is a target for infrastructure and vehicular uses. Further, a review of electrochemical hydrogen sensors by Korotcenkov et.al and the report by Glass et.al suggest the need for inexpensive, low power, and compact sensors with long-term stability, minimal cross-sensitivity, and fast response. This view has been largely validated and supported by the fuel cell and hydrogen infrastructure industries by the NREL/DOE Hydrogen Sensor Workshop held on June 8, 2011. Many of the issues preventing widespread adoption of best-available hydrogen sensing technologies available today outside of cost, derive from excessive false positives and false negatives arising from signal drift and unstable sensor baseline; both of these problems necessitate the need for unacceptable frequent calibration.

Brosha, Eric L. [Los Alamos National Laboratory

2012-07-10T23:59:59.000Z

31

Critical Updates to the Hydrogen Analysis Production Model (H2A v3)  

NLE Websites -- All DOE Office Websites (Extended Search)

Critical Updates to the Hydrogen Critical Updates to the Hydrogen Analysis Production Model (H2A v3) Darlene Steward NREL Thursday, February 9, 2012 3:00 PM - 4:30 PM EST Darlene.steward@nrel.gov (303) 275 3837 NREL/PR-5600-54276 NATIONAL RENEWABLE ENERGY LABORATORY Outline 2 Introduction - Sara Dillich Overview of the H2A Model H2A Version 3 Changes Case Study Walkthrough Resources 1 2 3 4 NATIONAL RENEWABLE ENERGY LABORATORY Outline 3 Introduction - Sara Dillich Overview of the H2A Model H2A Version 3 Changes Case Study Walkthrough Resources 1 2 3 4 NATIONAL RENEWABLE ENERGY LABORATORY Overview of H2A Model 4 H2A Model Structure Getting Around Key Worksheets Do's and Don'ts - Do * Enter values in orange cells * Use the light green cells for notes and side calculations

32

DOE Hydrogen Analysis Repository: H2A Case Study: Future Central...  

NLE Websites -- All DOE Office Websites (Extended Search)

Coal without Sequestration Project Summary Full Title: H2A Case Study: Longer-Term (2020-2030) Hydrogen from Coal without CO2 Capture and Sequestration Project ID: 238 Principal...

33

Analyzing Natural Gas Based Hydrogen Infrastructure - Optimizing Transitions from Distributed to Centralized H2 Production  

E-Print Network (OSTI)

Station Storage Storage Cost $500/kg Natural gas feedstocknatural gas steam methane reforming (SMR) includes hydrogen production and storagefor storage, distribution or use H 2 Natural gas Figure 3

Yang, Christopher; Ogden, Joan M

2005-01-01T23:59:59.000Z

34

Analyzing the Levelized Cost of Centralized and Distributed Hydrogen Production Using the H2A Production Model, Version 2  

DOE Green Energy (OSTI)

Analysis of the levelized cost of producing hydrogen via different pathways using the National Renewable Energy Laboratory's H2A Hydrogen Production Model, Version 2.

Ramsden, T.; Steward, D.; Zuboy, J.

2009-09-01T23:59:59.000Z

35

DOE Hydrogen and Fuel Cells Program Record 12001: H2 Production and Delivery Cost Apportionment  

NLE Websites -- All DOE Office Websites (Extended Search)

01 Date: May 14, 2012 01 Date: May 14, 2012 Title: H 2 Production and Delivery Cost Apportionment Originator: Scott Weil, Sara Dillich, Fred Joseck, and Mark Ruth Approved by: Sunita Satyapal and Rick Farmer Date: December 14, 2012 Item: The hydrogen threshold cost is defined as the untaxed cost of hydrogen (H 2 ) (produced, delivered, and dispensed) at which hydrogen fuel cell electric vehicles (FCEVs) are projected to become competitive on a $/mile basis with competing vehicles [gasoline in hybrid-electric vehicles (HEVs)] in 2020. As established in Record 11007 [1], this cost ranges from $2.00-$4.00/gge a of H 2 (based on $2007). The threshold cost can be apportioned into its constituent H 2 production and delivery costs, which can then serve as the respective cost targets for multi-year planning of the Fuel Cell Technologies (FCT)

36

hydrogen pilot plant, H2ICE vehicle testing INL alternative energy vehicles  

NLE Websites -- All DOE Office Websites (Extended Search)

Hydrogen Pilot Plant, H2ICE Hydrogen Pilot Plant, H2ICE Vehicle Testing, & INL Alternative Energy Vehicles (Advanced Vehicle Testing Activity) Jim Francfort Discovery Center of Idaho - September 2005 INL/CON-05-00694 AVTA Presentation Outline * Arizona Public Service's Alternative Fuel (Hydrogen) Pilot Plant Design and Operations * Hydrogen internal combustion engine vehicle testing * Oil bypass filter system evaluation * Diesel engine idling testing * INL alternative fuel infrastructure * INL alternative fuel fleet * WWW information APS Alternative Fuel (Alt-Fuel) Pilot Plant - Partners * Arizona Public Service (APS) * Electric Transportation Applications (ETA) * Idaho National Laboratory (INL) * Started operations - 2002 Alt-Fuel Pilot Plant & Vehicle Testing - Objectives * Evaluate the safety & reliability of operating ICE

37

DOE Hydrogen Analysis Repository: H2A Case Study: Future Central Natural  

NLE Websites -- All DOE Office Websites (Extended Search)

Natural Gas Reforming without Sequestration Natural Gas Reforming without Sequestration Project Summary Full Title: H2A Case Study: Longer-Term (2020-2030) Hydrogen from Natural Gas without CO2 Capture and Sequestration Project ID: 240 Principal Investigator: Darlene Steward Keywords: Hydrogen production; steam methane reforming; natural gas Purpose Steam reforming of hydrocarbons continues to be the most efficient, economical, and widely used process for production of hydrogen and hydrogen/carbon monoxide mixtures. The process involves a catalytic conversion of the hydrocarbon and steam to hydrogen and carbon oxides. Since the process works only with light hydrocarbons that can be vaporized completely without carbon formation, the feedstocks used range from methane (natural gas) to naphtha to No. 2 fuel oil.

38

DOE Hydrogen Analysis Repository: H2A Case Study: Current Central Natural  

NLE Websites -- All DOE Office Websites (Extended Search)

Natural Gas Reforming without Sequestration Natural Gas Reforming without Sequestration Project Summary Full Title: H2A Case Study: Current (2005) Central Hydrogen from Natural Gas without CO2 Capture and Sequestration Project ID: 233 Principal Investigator: Darlene Steward Keywords: Hydrogen production; steam methane reforming; natural gas Purpose Steam reforming of hydrocarbons continues to be the most efficient, economical, and widely used process for production of hydrogen and hydrogen/carbon monoxide mixtures. The purpose of this analysis is to assess the economic production of hydrogen from the steam reforming of natural gas. Performer Principal Investigator: Darlene Steward Organization: National Renewable Energy Laboratory (NREL) Address: 1617 Cole Blvd. Golden, CO 80401-3393 Telephone: 303-275-3837

39

Thermodynamic, economic, and environmental modeling of hydrogen (H2) co-production integrated with stationary Fuel Cell Systems (FCS).  

DOE Green Energy (OSTI)

The objective of this project is to analyze the potential for hydrogen co-production within high-temperature stationary fuel cell systems (H2-FCS) and identify novel designs with minimum CO2 and cost. Specific objectives are to (1) develop novel H2-FCS designs that release low greenhouse gas emissions; and (2) develop novel H2-FCS designs with low hydrogen production cost.

Margalef, Pere (University of California at Irvine); Brouwer, Jack (University of California at Irvine); Colella, Whitney; Rankin, Aerel; Sun, Amy Cha-Tien

2009-05-01T23:59:59.000Z

40

DOE Hydrogen Analysis Repository: H2A Case Study: Current Distributed  

NLE Websites -- All DOE Office Websites (Extended Search)

Natural Gas Steam Reformer Natural Gas Steam Reformer Project Summary Full Title: H2A Case Study: Current (2005) Steam Methane Reformer (SMR) at Forecourt 1500 kg/day Project ID: 236 Principal Investigator: Brian James Keywords: Hydrogen production; forecourt; steam methane reforming; natural gas; distributed Purpose The purpose of this analysis is to determine a baseline delivered cost of hydrogen for the forecourt production of hydrogen from natural gas steam reforming. Performer Principal Investigator: Brian James Organization: Directed Technologies, Inc. (DTI) Address: 3601 Wilson Blvd., Suite 650 Arlington, VA 22201 Telephone: 703-243-3383 Email: Brian_James@DirectedTechnologies.com Sponsor(s) Name: Fred Joseck Organization: DOE/EERE/HFCIT Telephone: 202-586-7932 Email: Fred.Joseck@ee.doe.gov

Note: This page contains sample records for the topic "h2 hydrogen hungary" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


41

DOE Hydrogen Analysis Repository: H2A Case Study: Future Distributed  

NLE Websites -- All DOE Office Websites (Extended Search)

Natural Gas Steam Reformer Natural Gas Steam Reformer Project Summary Full Title: H2A Case Study: Future (2025) Natural Gas Steam Reformer (SMR) at Forecourt 1500 kg/day Project ID: 243 Principal Investigator: Brian James Keywords: Hydrogen production; forecourt; distributed; ethanol; steam reforming Purpose The purpose of this analysis is to determine a baseline delivered cost of hydrogen for the forecourt production of hydrogen from ethanol steam reforming. Performer Principal Investigator: Brian James Organization: Directed Technologies, Inc. (DTI) Address: 3601 Wilson Blvd., Suite 650 Arlington, VA 22201 Telephone: 703-243-3383 Email: Brian_James@DirectedTechnologies.com Sponsor(s) Name: Fred Joseck Organization: DOE/EERE/HFCIT Telephone: 202-586-7932 Email: Fred.Joseck@ee.doe.gov

42

DOE Hydrogen Analysis Repository: H2A Case Study: Current Central Biomass  

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Current Central Biomass Current Central Biomass Project Summary Full Title: H2A Case Study: Current (2005) Hydrogen from Biomass via Gasification and Catalytic Steam Reforming Project ID: 229 Principal Investigator: Darlene Steward Keywords: Biomass; pressure swing adsorption (PSA); water gas shift reaction (WGSR); costs; hydrogen production; gasifier Purpose The purpose of this analysis was to determine the production cost of hydrogen from biomass via the FERCO indirectly-heated gasifier. Performer Principal Investigator: Darlene Steward Organization: National Renewable Energy Laboratory (NREL) Address: 1617 Cole Blvd. Golden, CO 80401-3393 Telephone: 303-275-3837 Email: Darlene_Steward@nrel.gov Sponsor(s) Name: Fred Joseck Organization: DOE/EERE/HFCIT Telephone: 202-586-7932 Email: Fred.Joseck@ee.doe.gov

43

DOE Hydrogen Analysis Repository: H2A Case Study: Future Central Nuclear  

NLE Websites -- All DOE Office Websites (Extended Search)

Nuclear Nuclear Project Summary Full Title: H2A Case Study: Longer-Term (2020-2030) Advanced Nuclear Energy - High Temperature (Steam) Electrolysis Project ID: 237 Principal Investigator: Dan Mears Keywords: Hydrogen production; nuclear; electrolysis; water Purpose The purpose of this analysis was to analyze the technical and economic aspects of a process for production of hydrogen from the high-temperature electrolysis of water using advance nuclear technology. Performer Principal Investigator: Dan Mears Organization: Technology Insights Address: 6540 Lusk Blvd., Suite C-102 San Diego, CA 92121 Telephone: 858-455-9500 Email: mears@ti-sd.com Sponsor(s) Name: Fred Joseck Organization: DOE/EERE/HFCIT Telephone: 202-586-7932 Email: Fred.Joseck@ee.doe.gov Period of Performance

44

2H2A Hydrogen Delivery Infrastructure Analysis Models and Conventional Pathway Options Analysis Results - Interim Report  

NLE Websites -- All DOE Office Websites (Extended Search)

H2A Hydrogen Delivery Infrastructure Analysis Models and H2A Hydrogen Delivery Infrastructure Analysis Models and Conventional Pathway Options Analysis Results DE-FG36-05GO15032 Interim Report Nexant, Inc., Air Liquide, Argonne National Laboratory, Chevron Technology Venture, Gas Technology Institute, National Renewable Energy Laboratory, Pacific Northwest National Laboratory, and TIAX LLC May 2008 Contents Section Page Executive Summary ................................................................................................................... 1-9 Delivery Options ...................................................................................................................... 1-9 Evaluation of Options 2 and 3 ................................................................................................. 1-9

45

DOE Hydrogen and Fuel Cells Program: H2 Safety Snapshot Bulletin  

NLE Websites -- All DOE Office Websites (Extended Search)

Research Systems Analysis Systems Integration U.S. Department of Energy Search help Home > Safety > H2 Safety Snapshot Bulletin Printable Version H2 Safety Snapshot Bulletin H2...

46

DOE Hydrogen Analysis Repository: H2A Case Study: Future Distributed...  

NLE Websites -- All DOE Office Websites (Extended Search)

performance from projections and quotes. Models Used: H2A Production Model; H2A Delivery Scenario Analysis Model Timeframe Studied: 2025 ProductsDeliverables Description:...

47

Analyzing Natural Gas Based Hydrogen Infrastructure - Optimizing Transitions from Distributed to Centralized H2 Production  

E-Print Network (OSTI)

Developing a Refueling Infrastructure for Hydrogen Vehicles:Building a Hydrogen Energy Infrastructure. Annu. Rev. Energybuilding up hydrogen infrastructure that are guided by the

Yang, Christopher; Ogden, Joan M

2005-01-01T23:59:59.000Z

48

CO2 Emissions - Hungary  

NLE Websites -- All DOE Office Websites (Extended Search)

Centrally Planned Europe Hungary CO2 Emissions from Hungary Data graphic Data CO2 Emissions from Hungary image Per capita CO2 Emission Estimates for Hungary...

49

DOE Hydrogen and Fuel Cells Program: DOE H2A Delivery Analysis  

NLE Websites -- All DOE Office Websites (Extended Search)

Delivery Carrier Components Overview Version 1.0 (PDF 415 KB) H2A Current (2010) Delivery Scenario Analysis Model Version 2.3 (Excel 8.6 MB) H2A Future (2020) Delivery Scenario...

50

DOE Hydrogen Analysis Repository: H2A Case Study: Future Distributed...  

NLE Websites -- All DOE Office Websites (Extended Search)

Steam Reformer Project Summary Full Title: H2A Case Study: Future (2025) Ethanol Steam Reformer (SR) at Forecourt 1500 kgday Project ID: 241 Principal Investigator: Brian James...

51

DOE Hydrogen Analysis Repository: H2A Case Study: Current Distributed...  

NLE Websites -- All DOE Office Websites (Extended Search)

Reformer Project Summary Full Title: H2A Case Study: Current (2005) Ethanol Steam Reformer (SR) at Forecourt 1500 kgday Project ID: 234 Principal Investigator: Brian James...

52

Microbial Electrolysis Cells (MECs) for High Yield Hydrogen (H2) Production from Biodegradable Materials  

NLE Websites -- All DOE Office Websites (Extended Search)

Microbial Electrolysis Cells (MECs) for High Yield H Microbial Electrolysis Cells (MECs) for High Yield H 2 Production from Biodegradable Materials Zhiyong "Jason" Ren, Ph.D Associate Professor, Environmental and Sustainability Engineering University of Colorado Boulder Jason.Ren@colorado.edu (303) 492-4137 http://spot.colorado.edu/~zhre0706/ MxC or Microbial Electrochemical System (MES) is a platform technology for energy and resource recovery Main type of MXC Products Microbial Fuel Cell (MFC) Electricity Microbial Electrolysis Cell (MEC) H 2 , H 2 O 2 , NaOH, Struvite Microbial Chemical Cell (MCC) CH 4 , C 2 H 4 O 2 , Organics Microbial Remediation Cell (MRC) Reduced/non-toxic chemicals Microbial Desalination Cell (MDC) Desalinated water >90% H 2 MEC for H 2 Recovery PS e - e - Wang and Ren, Biotechnol. Adv. 2013

53

DOE Hydrogen Analysis Repository: NEMS-H2 (National Energy Modeling...  

NLE Websites -- All DOE Office Websites (Extended Search)

economic aspects of hydrogen production, delivery, and consumption. Keywords: Energy prices; emissions; production; imports; energy consumption; economic Purpose NEMS projects...

54

Hydrogen Sintering of TiH 2 A Novel Method for Powder Metallurgy ...  

Science Conference Proceedings (OSTI)

About this Abstract. Meeting, Materials Science & Technology 2012. Symposium, Titanium Alloys for Demanding Applications. Presentation Title, Hydrogen...

55

DOE Hydrogen and Fuel Cells Program: DOE H2A Analysis Production  

NLE Websites -- All DOE Office Websites (Extended Search)

Assumptions and Ground Rules Assumptions and Ground Rules The following common cost assumptions are applied for all H2A Central and Forecourt supply options, unless a case for any different values is provided otherwise: Analysis Methodology - Discounted Cash Flow (DCF) model that calculates a levelized H2 price that yields prescribed IRR Reference Financial Structure - 100% equity with 10% IRR - Include levelized H2 price plot for 0 to 25% IRR - Model allows debt financing Reference Year Dollars - 2005, to be adjusted at half-decade increments (e.g., 2005, 2010) Technology Development Stage - All Central and Forecourt cost estimates are based on mature, commercial facilities Inflation Rate - 1.9%, but with resultant price of H2 in reference year constant dollars Income Taxes - 35% Federal; 6% State; 38.9% Effective

56

Technical Analysis of Hydrogen Production: Evaluation of H2 Mini-Grids  

SciTech Connect

We have assessed the transportation of hydrogen as a metal hydride slurry through pipelines over a short distance from a neighborhood hydrogen production facility to local points of use. The assessment was conducted in the context of a hydrogen "mini-grid" serving both vehicle fueling and stationary fuel cell power systems for local building heat and power. The concept was compared to a compressed gaseous hydrogen mini-grid option and to a stand-alone hydrogen fueling station. Based on our analysis results we have concluded that the metal hydride slurry concept has potential to provide significant reductions in overall energy use compared to liquid or chemical hydride delivery, but only modest reductions in overall energy use, hydrogen cost, and GHG emissions compared to a compressed gaseous hydrogen delivery. However, given the inherent (and perceived) safety and reasonable cost/efficiency of the metal hydride slurry systems, additional research and analysis is warranted. The concept could potentially overcome the public acceptance barrier associated with the perceptions about hydrogen delivery (including liquid hydrogen tanker trucks and high-pressure gaseous hydrogen pipelines or tube trailers) and facilitate the development of a near-term hydrogen infrastructure.

Lasher, Stephen; Sinha, Jayanti

2005-05-03T23:59:59.000Z

57

Next Generation H2 Station Analysis - DOE Hydrogen and Fuel Cells Program FY 2012 Annual Progress Report  

NLE Websites -- All DOE Office Websites (Extended Search)

6 6 DOE Hydrogen and Fuel Cells Program FY 2012 Annual Progress Report Sam Sprik (Primary Contact), Keith Wipke, Todd Ramsden, Chris Ainscough, Jen Kurtz National Renewable Energy Laboratory (NREL) 15013 Denver West Parkway Golden, CO 80401-3305 Phone: (303) 275-4431 Email: sam.sprik@nrel.gov DOE Manager HQ: Jason Marcinkoski Phone: (202) 586-7466 Email: Jason.Marcinkoski@ee.doe.gov Project Start Date: October 1, 2011 Project End Date: Project continuation and direction determined annually by DOE Fiscal Year (FY) 2012 Objectives Collect data from state-of-the-art hydrogen (H2) fueling * facilities, such as those funded by the California Air Resources Board (CARB), to enrich the analyses and composite data products (CDPs) on H2 fueling originally established by the Learning Demonstration project.

58

DOE Hydrogen Analysis Repository: H2A Case Study: Current Central...  

NLE Websites -- All DOE Office Websites (Extended Search)

for the electrolyte in the system. The system includes the follwing equipment: Transformer, Thyristor, Electrolyzer Unit, Lye Tank, Feed Water Demineralizer, Hydrogen...

59

DOE Hydrogen Analysis Repository: H2A Case Study: Current Distributed...  

NLE Websites -- All DOE Office Websites (Extended Search)

for the electrolyte in the system. The system includes the follwing equipment: Transformer, Thyristor, Electrolyzer Unit, Lye Tank, Feed Water Demineralizer, Hydrogen...

60

DOE Hydrogen Analysis Repository: H2A Case Study: Future Central...  

NLE Websites -- All DOE Office Websites (Extended Search)

for the electrolyte in the system. The system includes the follwing equipment: Transformer, Thyristor, Electrolyzer Unit, Lye Tank, Feed Water Demineralizer, Hydrogen...

Note: This page contains sample records for the topic "h2 hydrogen hungary" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


61

DOE Hydrogen and Fuel Cells Program: DOE H2A Production Analysis  

NLE Websites -- All DOE Office Websites (Extended Search)

filling-station) facilities. Required input to the models includes capital and operating costs for the hydrogen production process, fuel type and use, and financial parameters...

62

DOE Hydrogen Analysis Repository: H2A Case Study: Future Central...  

NLE Websites -- All DOE Office Websites (Extended Search)

230 Principal Investigator: Darlene Steward Keywords: Biomass; hydrogen production; gasifier; water gas shift (WGS); catalytic steam reforming Purpose The purpose of this...

63

Final Technical Report: Hydrogen Energy in Engineering Education (H2E3)  

Science Conference Proceedings (OSTI)

Schatz Energy Research Center's Hydrogen Energy in Engineering Education curriculum development project delivered hydrogen energy and fuel cell learning experiences to over 1,000 undergraduate engineering students at five California universities, provided follow-on internships for students at a fuel cell company; and developed commercializable hydrogen teaching tools including a fuel cell test station and a fuel cell/electrolyzer experiment kit. Monitoring and evaluation tracked student learning and faculty and student opinions of the curriculum, showing that use of the curriculum did advance student comprehension of hydrogen fundamentals. The project web site (hydrogencurriculum.org) provides more information.

Lehman, Peter A.; Cashman, Eileen; Lipman, Timothy; Engel, Richard A.

2011-09-15T23:59:59.000Z

64

IEA/H2/TR-02/001 Hydrogen from Biomass  

E-Print Network (OSTI)

advanced low cost technologies for producing hydrogen from biomass (gasification/pyrolysis, fermentation/NEAR ZERO EMISSIONSEMISSIONS Why Hydrogen? Biomass Hydro Wind Solar Coal Nuclear Natural Gas Oil Sequestration Biomass Hydro Wind Solar Biomass Hydro Wind Solar Coal Nuclear Natural Gas Oil Sequestration #12

65

Raising H2 and Fuel Cell Awareness in Ohio - DOE Hydrogen and...  

NLE Websites -- All DOE Office Websites (Extended Search)

1 FY 2012 Annual Progress Report DOE Hydrogen and Fuel Cells Program Patrick Valente Ohio Fuel Cell Coalition 151 Innovation Drive, Suite 240D Elyria, OH 44035 Phone: (614)...

66

Optimized Pathways for Regional H2 Infrastructure Transitions: The Least-Cost Hydrogen for Southern California  

E-Print Network (OSTI)

no representation of biomass supply curve in the model. Anthe Design of Biomass Hydrogen Supply Chains Using Real-supply options. Both onsite and central production technologies including biomass

Lin, Zhenhong; Chen, Chien-Wei; Fan, Yueyue; Ogden, Joan M.

2008-01-01T23:59:59.000Z

67

Cooperative Roles of Charge Transfer and Dispersion Terms in Hydrogen-Bonded Networks of (H2O)n, n = 6, 11, and 16  

Science Conference Proceedings (OSTI)

The perturbation expansion based on the locally-projected molecular orbital (LPMO PT) was applied to the study of the hydrogenbonded networks of water clusters with up to 16 molecules. Utilizing the local nature of the occupied and excited MOs on each monomer, the chargetransfer and dispersion terms are evaluated for every pair of molecules. The two terms are strongly correlated with each other for the hydrogen-bonded pairs. The strength of the hydrogen bonds in the clusters is further classified by the types of the hydrogen donor and acceptor water molecules. The relative energies evaluated with th LPMO PT among the isomers of (H2O)6, (H2O)11, and (H2O)16 agree very well with those obtained from CCSD(T) calculations with large basis sets. The binding energy of the LPMO PT is approximately free of the basis set superposition errors caused both by the orbital basis inconsistency and by the configuration basis inconsistency.

Iwata, Suehiro; Bandyopadhyay, Pradipta; Xantheas, Sotiris S.

2013-08-01T23:59:59.000Z

68

FCT Education: Increase Your H2IQ  

NLE Websites -- All DOE Office Websites (Extended Search)

Increase Your H2IQ to someone by Increase Your H2IQ to someone by E-mail Share FCT Education: Increase Your H2IQ on Facebook Tweet about FCT Education: Increase Your H2IQ on Twitter Bookmark FCT Education: Increase Your H2IQ on Google Bookmark FCT Education: Increase Your H2IQ on Delicious Rank FCT Education: Increase Your H2IQ on Digg Find More places to share FCT Education: Increase Your H2IQ on AddThis.com... Home Increase Your H2IQ Fuel Cell Basics Hydrogen Production Basics Hydrogen Delivery Basics Hydrogen Storage Basics Hydrogen Safety Basics For Safety & Code Officials For State & Local Governments For Early Adopters For Students & Educators Careers in Hydrogen & Fuel Cells Quick Links Hydrogen Production Hydrogen Delivery Hydrogen Storage Fuel Cells Technology Validation Manufacturing

69

Economic Analysis of Hydrogen Energy Station Concepts: Are "H 2E-Stations" a Key Link to a Hydrogen Fuel Cell Vehicle Infrastructure?  

E-Print Network (OSTI)

Cell Pump Storage Larger Reformer Natural Gas Compressor FCVPure H 2 Storage Reformer Compressor FCV Natural Gas Lipman,Storage Small Reformer Service Station Compressor Natural Gas

Lipman, Timothy E.; Edwards, Jennifer L.; Kammen, Daniel M.

2002-01-01T23:59:59.000Z

70

First Principles Calculations of Electrochemically Controlled Hydrogen Mobility and Uptake at the Ni(111)H2O Interface  

DOE Green Energy (OSTI)

The binding of hydrogen on Ni(111) in the presence of an water is considered using both a bilayer and a saturated model of the solvent environment. The presence of a water bilayer did not change the binding energies or geometry of hydrogen on the Ni(111) compared to adsorption in ultra-high vacuum. Using the saturated model (four bilayers over the surface) we also monitored the change in hydrogen binding as a function of electrochemical potential. Binding energies for hydrogen at the hcp and octahedral sites shifted endothermically as the potential was made more anodic, indicating that reductive partial charge transfer occurs. Binding at the tetrahedral site was found to be partially oxidizing. Calculation of vibrational modes allowed the extrapolation of ab initio results to ambient and elevated temperatures. Surface Pourbaix diagrams were constructed illustrating the stability of various phases on the Ni(111) surface as a function of pH and potential.

C Taylor; R Kelly; M Neurock

2005-11-14T23:59:59.000Z

71

Economic Analysis of Hydrogen Energy Station Concepts: Are "H 2E-Stations" a Key Link to a Hydrogen Fuel Cell Vehicle Infrastructure?  

E-Print Network (OSTI)

Electricity costs, shown in Table 5 as $0.12 per kWh, alsoPer Day Fraction of Reformer Cost for FCV Fuel Production Additional Electricity for H2 Compression (kWh/Per Day Fraction of Reformer Cost for FCV Fuel Production Additional Electricity for H2 Compression (kWh/

Lipman, Timothy E.; Edwards, Jennifer L.; Kammen, Daniel M.

2002-01-01T23:59:59.000Z

72

Surface and Particle-Size Effects on Hydrogen Desorption from Catalyst-Doped MgH2  

SciTech Connect

With their high capacity, light-metal hydrides like MgH2 remain under scrutiny as reversible H-storage materials, especially to develop control of H-desorption properties by decreasing size (ball-milling) and/or adding catalysts. By employing density functional theory and simulated annealing, we study initial H2 desorption from semi-infinite stepped rutile (110) surface and Mg31H62 nanoclusters, with(out) transition-metal catalyst dopants (Ti or Fe). While Mg31H62 structures are disordered (amorphous), the semi-infinite surfaces and nanoclusters have similar single, double, and triple H-to-metal bond configurations that yield similar H-desorption energies. Hence, there is no size effect on desorption energetics with reduction in sample size, but dopants do reduce the H-desorption energy. All desorption energies are endothermic, in contrast to a recent report.

Reich, J.M.; Wang, Lin-Lin; Johnson, Duane D.

2012-09-04T23:59:59.000Z

73

H2 Logic | Open Energy Information  

Open Energy Info (EERE)

H2 Logic Jump to: navigation, search Name H2 Logic Place Denmark Sector Hydro, Hydrogen Product H2 logic is involved in a range of activities including consultancy,research...

74

Economic Analysis of Hydrogen Energy Station Concepts: Are "H 2E-Stations" a Key Link to a Hydrogen Fuel Cell Vehicle Infrastructure?  

E-Print Network (OSTI)

incentives for Avoided electricity costs due to self- fuel cell installation/operation or generation hydrogen dispensing Avoided natural gas

Lipman, Timothy E.; Edwards, Jennifer L.; Kammen, Daniel M.

2002-01-01T23:59:59.000Z

75

H2 Educate! Student Guide  

Fuel Cell Technologies Publication and Product Library (EERE)

H2 Educate! Teacher and Student Guides - These new guides were developed by the National Energy Education Development (NEED) Project's Teacher Advisory Board for the DOE Hydrogen Program. Sentech, Inc

76

H2 Educate! Teacher Guide  

Fuel Cell Technologies Publication and Product Library (EERE)

H2 Educate! Teacher and Student Guides - These new guides were developed by the National Energy Education Development (NEED) Project's Teacher Advisory Board for the DOE Hydrogen Program. Sentech, Inc

77

Leak Detection and H2 Sensor Development for Hydrogen Applications - DOE Hydrogen and Fuel Cells Program FY 2012 Annual Progress Report  

NLE Websites -- All DOE Office Websites (Extended Search)

6 6 DOE Hydrogen and Fuel Cells Program FY 2012 Annual Progress Report Eric L. Brosha 1 (Primary Contact), Fernando H. Garzon 1 , Robert S. Glass 2 , Cortney Kreller 1 , Rangachary Mukundan 1 , Catherine G. Padro 1 , and Leta Woo 2 1 Los Alamos National Laboratory (LANL) MS D429, P.O. Box 1663 Los Alamos, NM 87545 Phone: (505) 665 4008 Email: Brosha@lanl.gov 2 Lawrence Livermore National Laboratory (LLNL) DOE Manager HQ: Antonio Ruiz Phone: (202) 586-0729 Email: Antonio.Ruiz@ee.doe.gov Project Start Date: Fiscal Year (FY) 2008 Project End Date: FY 2014 FY 2012 Objectives Develop a low-cost, low-power, durable, and reliable * hydrogen safety sensor for a wide range of vehicle and infrastructure applications. Continually advance test prototypes guided by materials * selection, sensor design, electrochemical research and

78

H2A Delivery Models and Results  

NLE Websites -- All DOE Office Websites (Extended Search)

of well defined "base cases" that span major markets and demand levels: Hydrogen Delivery Scenario Analysis Model (HDSAM) * Estimate the cost of H 2 delivery for base cases. *...

79

H2 Energy Solutions Inc | Open Energy Information  

Open Energy Info (EERE)

icon Twitter icon H2 Energy Solutions Inc Jump to: navigation, search Name H2 Energy Solutions Inc Place Hollister, California Zip 95023 Sector Hydro, Hydrogen Product...

80

Evaluation and Characterization of Membranes for H2SO4/Water and I2/HI/H2O Water Separation and Hydrogen Permeation for the S-I Cycle  

DOE Green Energy (OSTI)

In this report are the findings into three membrane separation studies for potential application to the Sulfur-Iodine (S-I) thermochemical cycle. The first is the removal of water from hydriodic acid/iodine mixtures. In the S-I cycle, iodine is added to the product of the Bunsen reaction to facilitate the separation of sulfuric acid (H2SO4) from hydriodic acid (HI). The amount of iodine can be as high as 83% of the overall mass load of the Bunsen product stream, which potentially introduces a large burden on the cycles efficiency. Removal of water from the HI and iodine mixture would substantially reduce the amount of required additional iodine. In this work, performance data for Nafion and sulfonated poly (ether ether ketone) (SPEEK) membranes is shown.

Frederick R. Stewart

2006-10-01T23:59:59.000Z

Note: This page contains sample records for the topic "h2 hydrogen hungary" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


81

ARRC H2 Alliance | Open Energy Information  

Open Energy Info (EERE)

ARRC H2 Alliance ARRC H2 Alliance Jump to: navigation, search Name ARRC/H2 Alliance Place Connecticut Zip 6840 Sector Hydro, Hydrogen Product The objective of the ARRC/H2 Alliance is to design and build the first viable prototype Hydrogen Fueling Station / Information Center in key locations worldwide. References ARRC/H2 Alliance[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. ARRC/H2 Alliance is a company located in Connecticut . References ↑ "ARRC/H2 Alliance" Retrieved from "http://en.openei.org/w/index.php?title=ARRC_H2_Alliance&oldid=342332" Categories: Clean Energy Organizations Companies Organizations Stubs What links here Related changes Special pages

82

FCT Systems Analysis: DOE H2A Analysis  

NLE Websites -- All DOE Office Websites (Extended Search)

H2A Analysis to someone by H2A Analysis to someone by E-mail Share FCT Systems Analysis: DOE H2A Analysis on Facebook Tweet about FCT Systems Analysis: DOE H2A Analysis on Twitter Bookmark FCT Systems Analysis: DOE H2A Analysis on Google Bookmark FCT Systems Analysis: DOE H2A Analysis on Delicious Rank FCT Systems Analysis: DOE H2A Analysis on Digg Find More places to share FCT Systems Analysis: DOE H2A Analysis on AddThis.com... Home Analysis Methodologies DOE H2A Analysis Scenario Analysis Quick Links Hydrogen Production Hydrogen Delivery Hydrogen Storage Fuel Cells Technology Validation Manufacturing Codes & Standards Education Contacts DOE H2A Analysis Realistic assumptions, both market- and technology-based, are critical to an accurate analytical study. DOE's H2A Analysis Group develops the

83

H2 Energy LLC | Open Energy Information  

Open Energy Info (EERE)

H2 Energy LLC Place Hawaii Sector Hydro, Hydrogen Product Partnership between HiBEAM, an organisation of venture capitalists, and Sennet Capital, a merchant bank, selected by state...

84

Argonne Transportation - DOE H2A Delivery Analysis  

NLE Websites -- All DOE Office Websites (Extended Search)

DOE H2A Delivery Analysis Hydrogen delivery is an essential component of any future hydrogen energy infrastructure. Hydrogen must be transported from the point of production to the...

85

Observation of a remarkable temperature effect in the hydrogen bonding structure and dynamics of the CN-(H2O) cluster  

DOE Green Energy (OSTI)

The CN-(H2O) cluster represents a model diatomic monohydrate with multiple solvation sites. We report joint experimental and theoretical studies of its structure and dynamics using temperature-controlled photoelectron spectroscopy (PES) and ab-initio electronic structure calculations. The observed PES spectra of CN-(H2O) display a remarkable temperature effect, namely that the T=12 K spectrum shows an unexpectedly large blue shift of 0.25 eV in the electron binding energy relative to the Room Temperature (RT) spectrum. Extensive theoretical analysis of the potential energy function (PEF) of the cluster at the CCSD(T) level of theory reveal the existence of two nearly isoenergetic isomers corresponding to H2O forming a H-bond with either the C or the N atom, respectively. This results in four topologically distinct minima, i.e., CN-(HaOHb), CN-(HbOHa), NC-(HaOHb) and NC-(HbOHa). There are two main pathways connecting these minima: (i) CN- tumbling relative to water and (ii) water rocking relative to CN-. The relative magnitude of the barriers associated with these two motions reverses between low [pathway (i) is preferred] and high [pathway (ii) is preferred] temperatures. As a result, at T=12 K the cluster adopts a structure that is close to the minimum energy CN-(H2O) configuration, while at RT it can effectively access regions of the PEF close to the transition state for pathway (ii), explaining the surprisingly large spectral shift between the 12 K and RT PES spectra. This work was supported by the Division of Chemical Sciences, Geosciences and Biosciences, Office of Basic Energy Sciences, US Department of Energy. Battelle operates Pacific Northwest National Laboratory for the US Department of Energy.

Wang, Xue B.; Werhahn, Jasper C.; Wang, Lai S.; Kowalski, Karol; Laubereau, Alfred; Xantheas, Sotiris S.

2009-09-03T23:59:59.000Z

86

Sensitivity Analysis of H2-Vehicles' Market Prospects, Costs and Benefits - DOE Hydrogen and Fuel Cells Program FY 2012 Annual Progress Report  

NLE Websites -- All DOE Office Websites (Extended Search)

1 1 FY 2012 Annual Progress Report DOE Hydrogen and Fuel Cells Program David L. Greene (Primary Contact), Zhenhong Lin, Jing Dong Oak Ridge National Laboratory National Transportation Research Center 2360 Cherahala Boulevard Knoxville, TN 37932 Phone: (865) 946-1310 Email: dlgreene@ornl.gov DOE Manager HQ: Fred Joseck Phone: (202) 586-7932 Email: Fred.Joseck@hq.doe.gov Subcontractor: Department of Industrial Engineering, University of Tennessee, Knoxville, TN Project Start Date: October, 2010 Project End Date: Project continuation and direction determined annually by DOE Fiscal Year (FY) 2012 Objectives Project market shares of hydrogen fuel cell vehicles * (FCVs) under varying market conditions using the Market Acceptance of Advanced Automotive Technologies (MA3T) model.

87

Effect of H2 on Stress Corrosion Cracking of Nickel Alloys in BWR Water in Relation to Moderate Hydrogen Water Chemistry and NobleCh em  

Science Conference Proceedings (OSTI)

This work confirms that there is a peak in the crack growth rate (CGR) of Alloy 182 (and Ni-based alloys) in the boiling water reactor (BWR) environment and temperatures that are associated with the Ni/NiO phase boundary as there is in the pressurized water reactor (PWR) environment and temperatures. To optimize intergranular stress corrosion cracking (IGSCC) mitigation, plants should maintain their hydrogen concentration to avoid the peak in CGR associated with the Ni/NiO phase ...

2012-09-28T23:59:59.000Z

88

H 2 Storage Projects  

Science Conference Proceedings (OSTI)

... hydrogen prompt gamma ray emission. 2. First-principles Modeling ang Theory. The ability to predict meterials properties ...

89

STATEMENT OF CONSIDERATIONS REQUEST BY H2GEN INNOVATIONS, INC. (H2GEN) FOR AN  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

H2GEN INNOVATIONS, INC. (H2GEN) FOR AN H2GEN INNOVATIONS, INC. (H2GEN) FOR AN ADVANCE WAIVER OF DOMESTIC AND FOREIGN RIGHTS TO INVENTIONS MADE UNDER COOPERATIVE AGREEMENT NUMBER DE-FC04-02AL67613, DOE WAIVER NO. W(A) 02-021. The Petitioner, H2Gen, a subcontractor to Air Products & Chemicals, Inc. (Air Products), has requested a waiver of all domestic and foreign patent rights to inventions that H2Gen may conceive or first reduce to practice in the course of H2Gen's work as a subcontractor under Cooperative Agreement Number DE-FC04-02AL67613 entitled "Development of a Turnkey Commercial Hydrogen Fueling Station" with the U.S. Department of Energy (DOE). H2Gen had originally requested rights in any trade secrets it may have conceived under the subcontract-this request for rights in trade secrets has

90

Novel Carbon(C)-Boron(B)-Nitrogen(N)-Containing H2 Storage Materials - DOE Hydrogen and Fuel Cells Program FY 2012 Annual Progress Report  

NLE Websites -- All DOE Office Websites (Extended Search)

1 1 FY 2012 Annual Progress Report DOE Hydrogen and Fuel Cells Program Shih-Yuan Liu University of Oregon Department of Chemistry 1253 University of Oregon Eugene, OR 97403-1253 Phone: (541) 346-5573 Email: lsy@uoregon.edu In colloaboration with: * Dr. Tom Autrey, Dr. Abhi Karkamkar, and Mr. Jamie Holladay Pacific Northwest National Laboratory * Dr. David Dixon The University of Alabama * Dr. Paul Osenar Protonex Technology Corporation DOE Managers HQ: Grace Ordaz Phone: (202) 586-8350 Email: Grace.Ordaz@ee.doe.gov GO: Katie Randolph Phone: (720) 356-1759 Email: Katie.Randolph@go.doe.gov

91

Risk-Informed Safety Requirements for H2 Codes and Standards Development - DOE Hydrogen and Fuel Cells Program FY 2012 Annual Progress Report  

NLE Websites -- All DOE Office Websites (Extended Search)

5 5 FY 2012 Annual Progress Report DOE Hydrogen and Fuel Cells Program Aaron Harris (Primary Contact), Jeffrey LaChance, Katrina Groth Sandia National Laboratories P.O. Box 969 Livermore, CA 94551-0969 Phone: (925) 294-4530 Email: apharri@sandia.gov DOE Manager HQ: Antonio Ruiz Phone: (202) 586-0729 Email: Antonio.Ruiz@ee.doe.gov Project Start Date: October 1, 2003 Project End Date: Project continuation and direction determined annually by DOE Fiscal Year (FY) 2012 Objectives Present results of indoor refueling risk assessment to the * National Fire Protection Association (NFPA) 2 Fueling Working Group. Perform and document required risk assessment (with * input from NFPA 2 and others) for developing science- based risk-informed codes and standards for indoor

92

A Biomimetic Approach to Metal-Organic Frameworks with High H2 Uptake - DOE Hydrogen and Fuel Cells Program FY 2012 Annual Progress Report  

NLE Websites -- All DOE Office Websites (Extended Search)

0 0 DOE Hydrogen and Fuel Cells Program FY 2012 Annual Progress Report Hong-Cai (Joe) Zhou Dept. of Chem., Texas A&M University P.O. Box 30012 College Station, TX 77842-3012 Phone: (979) 845-4034 Email: zhou@mail.chem.tamu.edu DOE Managers HQ: Ned Stetson Phone: (202) 586-9995 Email: Ned.Stetson@ee.doe.gov GO: Jesse Adams Phone: (720) 356-1421 Email: Jesse.Adams@go.doe.gov Contract Number: DE-FC36-07GO17033 Project Start Date: July 1, 2007 Project End Date: June 30, 2013 Fiscal Year (FY) 2012 Objectives Design, synthesis, and characterization of metal-organic * frameworks (MOFs) with potential anchors for active metal centers introduction. Design, synthesis, and optimization of porous polymer * frameworks (PPNs) with different functionalities. These functionalized MOFs and PPNs demonstrate much *

93

Biogas Purification: H2S Removal using Biofiltration.  

E-Print Network (OSTI)

??Biogas, composed principally of methane, has limited use in energy generation due to the presence of hydrogen sulphide (H2S). Biogas cannot be burned directly in (more)

Fischer, Mary Elizabeth

2010-01-01T23:59:59.000Z

94

H 2 Storage Projects  

Science Conference Proceedings (OSTI)

... Direct Observation of Hydrogen Adsorption Sites and Nano-Cage Formation in Metal-Organic Frameworks (MOF) [T. Yildirim and MR Hartman ...

95

H 2 Storage Projects  

Science Conference Proceedings (OSTI)

... 10. Titanium-decorated carbon nanotubes: a potential high-capacity hydrogen storage madium. ... 3. Exohydrogenated single-wall carbon nanotubes. ...

96

FCT Safety, Codes and Standards: H2 Safety Snapshot Newsletter  

NLE Websites -- All DOE Office Websites (Extended Search)

H2 Safety Snapshot H2 Safety Snapshot Newsletter to someone by E-mail Share FCT Safety, Codes and Standards: H2 Safety Snapshot Newsletter on Facebook Tweet about FCT Safety, Codes and Standards: H2 Safety Snapshot Newsletter on Twitter Bookmark FCT Safety, Codes and Standards: H2 Safety Snapshot Newsletter on Google Bookmark FCT Safety, Codes and Standards: H2 Safety Snapshot Newsletter on Delicious Rank FCT Safety, Codes and Standards: H2 Safety Snapshot Newsletter on Digg Find More places to share FCT Safety, Codes and Standards: H2 Safety Snapshot Newsletter on AddThis.com... Home Basics Current Approaches to Safety, Codes & Standards DOE Activities Quick Links Hydrogen Production Hydrogen Delivery Hydrogen Storage Fuel Cells Technology Validation Manufacturing Education Systems Analysis

97

H2Scan LLC | Open Energy Information  

Open Energy Info (EERE)

H2Scan LLC H2Scan LLC Jump to: navigation, search Name H2Scan LLC Place Valencia, California Zip 91355 Sector Hydro, Hydrogen Product Hydrogen specific sensing systems, uniquely able to detect hydrogen against virtually any background gases. Coordinates 39.468791°, -0.376913° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":39.468791,"lon":-0.376913,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

98

Hydrogen Production  

Office of Scientific and Technical Information (OSTI)

Hydrogen Production Hydrogen Research in DOE Databases Energy Citations Database Information Bridge Science.gov WorldWideScience.org Increase your H2IQ More information Making...

99

OEM Perspective on Cryogenic H2 Storage  

NLE Websites -- All DOE Office Websites (Extended Search)

compressed compressed Hydrogen Storage. Tobias Brunner February 15 th , 2011, Washington D.C. BMW Hydrogen. Hydrogen Storage Workshop. BMW EfficientDynamics Less emissions. More driving pleasure. BMW Hydrogen Washington DC 02/15/2011 Page 2 BMW Hydrogen Technology Strategy. Advancement of key components. Source: BMW Advanced key components Next vehicle & infrastructure Hydrogen 7 small series LH 2 Storage  Capacity   Safety   Boil-off loss   Pressure supply   Complexity   Infrastructure  Technology leap storage & drive train Efficient long-range mobility:  Zero Emission  Focus on vehicles with high energy demand.  Range > 500 km (6-8 kg H 2 )  Fast refueling (< 4 min / 6 kg)  Optimized safety oriented vehicle package & component

100

Hydrogen Highways  

E-Print Network (OSTI)

Joan Ogden, The Hope for Hydrogen, Issues in Science andand James S. Cannon. The Hydrogen Energy Transition: MovingHydrogen Highways BY TIMOTHY LIPMAN H 2 T H E S TAT E O F C

Lipman, Timothy

2005-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "h2 hydrogen hungary" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


101

Roadmap for H2 in the Nordic Countries  

E-Print Network (OSTI)

uptake covering the whole value chain of hydrogen energy ­ production, storage, distribution and end use Nordic Hydrogen Energy Foresight www.h2foresight.info Risø National Laboratory December 2004 #12;Author in hydrogen and fuel cell energy development and suggested paths that Nordic in- dustry, energy companies

102

Hydrogen Delivery  

NLE Websites -- All DOE Office Websites (Extended Search)

Mark Paster Energy Efficiency and Renewable Energy Hydrogen, Fuel Cells and Infrastructure Technology Program Hydrogen Production and Delivery Team Hydrogen Delivery Goal Hydrogen Delivery Goal Liquid H 2 & Chem. Carriers Gaseous Pipeline Truck Hydrides Liquid H 2 - Truck - Rail Other Carriers Onsite reforming Develop Develop hydrogen fuel hydrogen fuel delivery delivery technologies that technologies that enable the introduction and enable the introduction and long long - - term viability of term viability of hydrogen as an energy hydrogen as an energy carrier for transportation carrier for transportation and stationary power. and stationary power. Delivery Options * End Game - Pipelines - Other as needed * Breakthrough Hydrogen Carriers * Truck: HP Gas & Liquid Hydrogen

103

H2 Production and Fuel Cells  

SciTech Connect

The world demand for energy and the need for protecting our environment can be achieved by increasing energy efficiency and by developing clean energy sources. Among the alternative fuels, hydrogen is receiving a lot of attention around the world. In this chapter, recent applications of oxide nanostructures in H2 production and fuel cell technology are summarized. We cover in detail catalytic studies for hydrogen production via the water gas shift reaction over ceria-based nanosystems. These studies illustrate the importance of understanding the fundamental conditions necessary for optimal operation of the catalysts.

Wang, Xianqin; Rodriguez, Jose A.

2007-01-01T23:59:59.000Z

104

NASA Perspectives on Cryo H2 Storage  

NLE Websites -- All DOE Office Websites (Extended Search)

Perspectives on Cryo H2 Perspectives on Cryo H2 Storage DOE Hydrogen Storage Workshop Marriott Crystal Gateway Arlington, VA February 15, 2011 David J. Chato NASA Glenn Research Center Michael P. Doherty NASA Glenn Research Center 2 Objectives Purposes of this Presentation * To show the role of Cryogenics in NASA prior missions * To show recent NASA accomplishments in cryogenic fluid management technology * To highlight the importance of long term cryogenic storage to future NASA missions (especially Human Space flight) 3 What is Cryogenic Fluid Management? 3 The Cartoon Guide to Cryogenic Fluid Management Illustrating Key Concepts in Iconic Form 4 GRC Cryogenic Fluid Management Accomplishments Pioneering cryogenic propellant properties, behavior, and instrumentation studies 1960s-70s 1962-> Centaur

105

Final Report for the H2Fuel Bus  

DOE Green Energy (OSTI)

The H2Fuel Bus is the world's first hydrogen-fueled electric hybrid transit bus. It was a project developed through a public/private partnership involving several leading technological and industrial organizations, with primary funding by the Department of Energy (DOE). The primary goals of the project are to gain valuable information on the technical readiness and economic viability of hydrogen fueled buses and to enhance the public awareness and acceptance of emerging hydrogen technologies.

Jacobs, W.D.

1998-11-25T23:59:59.000Z

106

First principles screening of destabilized metal hydrides for high capacity H2 storage using scandium (presentation had varying title: Accelerating Development of Destabilized Metal Hydrides for Hydrogen Storage Using First Principles Calculations)  

DOE Green Energy (OSTI)

Favorable thermodynamics are a prerequisite for practical H2 storage materials for vehicular applications. Destabilization of metal hydrides is a versatile route to finding materials that reversibly store large quantities of H2. First principles calculations have proven to be a useful tool for screening large numbers of potential destabilization reactions when tabulated thermodynamic data are unavailable. We have used first principles calculations to screen potential destabilization schemes that involve Sc-containing compounds. Our calculations use a two-stage strategy in which reactions are initially assessed based on their reaction enthalpy alone, followed by more detailed free energy calculations for promising reactions. Our calculations indicate that mixtures of ScH2 + 2LiBH4, which will release 8.9 wt.% H2 at completion and will have an equilibrium pressure of 1 bar at around 330 K, making this compound a promising target for experimental study. Along with thermodynamics, favorable kinetics are also of enormous importance for practical usage of these materials. Experiments would help identify possible kinetic barriers and modify them by developing suitable catalysts.

Alapati, S.; Johnson, J.K.; Sholl, D.S.; Dai, B. (Univ. of Pittsburgh, Pittsburgh, PA)--last author not shown on publication, only presentation

2007-10-31T23:59:59.000Z

107

Symmetry Breaking of H2 Dissociation by a Single Photon  

NLE Websites -- All DOE Office Websites (Extended Search)

Symmetry Breaking of H2 Symmetry Breaking of H2 Dissociation by a Single Photon Symmetry Breaking of H2 Dissociation by a Single Photon Print Wednesday, 25 July 2007 00:00 A single hydrogen (or deuterium) molecule consists of only two protons (deuterons) and two electrons and is perfectly symmetric. Linearly polarized photons are similarly symmetric. So one might think that the angular distribution of photoelectrons resulting from photoionization of the molecule by the photon accompanied by dissociation into a hydrogen atom and a hydrogen ion would itself be symmetric. However, an international team of researchers from Germany, Spain, and the U.S. has now shown that this need not be the case. When there are multiple quantum paths for the process, interference between waves in the coherent superposition of electron states (which exists when the molecular fragments are still close together) skews the distribution by breaking the molecular symmetry.

108

Weights and Measures Newsletter Archives - Hydrogen  

Science Conference Proceedings (OSTI)

Weights and Measures Newsletter Archives - Hydrogen. Series/B-XXX, Key Words, Article, Issue. B-016, Hydrogen H 2 National ...

2011-09-26T23:59:59.000Z

109

Hungary HEU removal | National Nuclear Security Administration  

National Nuclear Security Administration (NNSA)

removal | National Nuclear Security Administration removal | National Nuclear Security Administration Our Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy Emergency Response Recapitalizing Our Infrastructure Continuing Management Reform Countering Nuclear Terrorism About Us Our Programs Our History Who We Are Our Leadership Our Locations Budget Our Operations Media Room Congressional Testimony Fact Sheets Newsletters Press Releases Speeches Events Social Media Video Gallery Photo Gallery NNSA Archive Federal Employment Apply for Our Jobs Our Jobs Working at NNSA Blog Home > content > Four-Year Plan > Hungary HEU removal Hungary HEU removal Location Hungary United States 47° 11' 51.6336" N, 19° 41' 15" E See map: Google Maps Printer-friendly version Printer-friendly version Javascript is required to view this map.

110

Hungary: Energy Resources | Open Energy Information  

Open Energy Info (EERE)

Hungary: Energy Resources Hungary: Energy Resources Jump to: navigation, search Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"TERRAIN","zoom":5,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"390px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":47,"lon":20,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

111

ITM Syngas and ITM H2: Engineering Development of Ceramic Membrane Reactor Systems for  

E-Print Network (OSTI)

ITM Syngas and ITM H2: Engineering Development of Ceramic Membrane Reactor Systems for Converting (U.S. DOE) and other members of the ITM Syngas/ITM H2 Team, is developing Ion Transport Membrane (ITM-scale centralized hydrogen production facilities with CO2 capture. The major goals of the ITM Syngas and ITM H2

112

Hydrogen  

U.S. Energy Information Administration (EIA)

-No Data Reported; --= Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Notes: Hydrogen production ...

113

Hydrogen Analysis  

NLE Websites -- All DOE Office Websites (Extended Search)

A A H2A: Hydrogen Analysis Margaret K. Mann DOE Hydrogen, Fuel Cells, and Infrastructure Technologies Program Systems Analysis Workshop July 28-29, 2004 Washington, D.C. H2A Charter * H2A mission: Improve the transparency and consistency of approach to analysis, improve the understanding of the differences among analyses, and seek better validation from industry. * H2A was supported by the HFCIT Program H2A History * First H2A meeting February 2003 * Primary goal: bring consistency & transparency to hydrogen analysis * Current effort is not designed to pick winners - R&D portfolio analysis - Tool for providing R&D direction * Current stage: production & delivery analysis - consistent cost methodology & critical cost analyses * Possible subsequent stages: transition analysis, end-point

114

Symmetry Breaking of H2 Dissociation by a Single Photon  

NLE Websites -- All DOE Office Websites (Extended Search)

Symmetry Breaking of H2 Dissociation by a Single Photon Print Symmetry Breaking of H2 Dissociation by a Single Photon Print A single hydrogen (or deuterium) molecule consists of only two protons (deuterons) and two electrons and is perfectly symmetric. Linearly polarized photons are similarly symmetric. So one might think that the angular distribution of photoelectrons resulting from photoionization of the molecule by the photon accompanied by dissociation into a hydrogen atom and a hydrogen ion would itself be symmetric. However, an international team of researchers from Germany, Spain, and the U.S. has now shown that this need not be the case. When there are multiple quantum paths for the process, interference between waves in the coherent superposition of electron states (which exists when the molecular fragments are still close together) skews the distribution by breaking the molecular symmetry.

115

Symmetry Breaking of H2 Dissociation by a Single Photon  

NLE Websites -- All DOE Office Websites (Extended Search)

Symmetry Breaking of H2 Dissociation by a Single Photon Print Symmetry Breaking of H2 Dissociation by a Single Photon Print A single hydrogen (or deuterium) molecule consists of only two protons (deuterons) and two electrons and is perfectly symmetric. Linearly polarized photons are similarly symmetric. So one might think that the angular distribution of photoelectrons resulting from photoionization of the molecule by the photon accompanied by dissociation into a hydrogen atom and a hydrogen ion would itself be symmetric. However, an international team of researchers from Germany, Spain, and the U.S. has now shown that this need not be the case. When there are multiple quantum paths for the process, interference between waves in the coherent superposition of electron states (which exists when the molecular fragments are still close together) skews the distribution by breaking the molecular symmetry.

116

DOE Hydrogen Analysis Repository: Hydrogen from Renewable Energy  

NLE Websites -- All DOE Office Websites (Extended Search)

Hydrogen from Renewable Energy Project Summary Full Title: H2 Production Infrastructure Analysis - Task 3: Hydrogen From Renewable Energy Sources: Pathway to 10 Quads for...

117

Hydrogen Generation by Electrolysis  

NLE Websites -- All DOE Office Websites (Extended Search)

Better Engineered Solutions. Better Engineered Solutions. What Listening Generates. Better Engineered Solutions. What Listening Generates. Hydrogen Generation by Electrolysis September 2004 Steve Cohen Hydrogen Generation by Electrolysis September 2004 Steve Cohen NREL H 2 Electrolysis - Utility Integration Workshop NREL H 2 Electrolysis - Utility Integration Workshop 2 Hydrogen Generation by Electrolysis Hydrogen Generation by Electrolysis  Intro to Teledyne Energy Systems  H 2 Generator Basics & Major Subsystems  H 2 Generating & Storage System Overview  Electrolysis System Efficiency & Economics  Focus for Attaining DOE H 2 Production Cost Goals 3 Teledyne Energy Systems Locations - ISO 9001 Teledyne Energy Systems Locations - ISO 9001 Hunt Valley, Maryland  State-of-the-art thermoelectric,

118

H2A Production Model, Version 2 User Guide  

DOE Green Energy (OSTI)

The H2A Production Model analyzes the technical and economic aspects of central and forecourt hydrogen production technologies. Using a standard discounted cash flow rate of return methodology, it determines the minimum hydrogen selling price, including a specified after-tax internal rate of return from the production technology. Users have the option of accepting default technology input values--such as capital costs, operating costs, and capacity factor--from established H2A production technology cases or entering custom values. Users can also modify the model's financial inputs. This new version of the H2A Production Model features enhanced usability and functionality. Input fields are consolidated and simplified. New capabilities include performing sensitivity analyses and scaling analyses to various plant sizes. This User Guide helps users already familiar with the basic tenets of H2A hydrogen production cost analysis get started using the new version of the model. It introduces the basic elements of the model then describes the function and use of each of its worksheets.

Steward, D.; Ramsden, T.; Zuboy, J.

2008-09-01T23:59:59.000Z

119

DOE Hydrogen Analysis Repository: Hydrogen Deployment System...  

NLE Websites -- All DOE Office Websites (Extended Search)

routine to determine the layout of a least-cost infrastructure. Keywords: Hydrogen production; electrolysis; costs; fuel cells Purpose Initially, electrolytic H2 production...

120

Water vapour H2O 0.3 Hydrogen Sulphide H2S Traces  

E-Print Network (OSTI)

A system approach to biogas technology from "Biogas technology: a training manual for extension " (FAO/CMS, 1996) Components of a biogas system Biogas technology is a complete system in itself with its set objectives (cost effective production of energy and soil nutrients), factors such as microbes, plant design, construction materials, climate, chemical and microbial characteristics of inputs, and the inter-relationships among these factors. Brief discussions on each of these factors or subsystems are presented in this section. Biogas This is the mixture of gas produced by methanogenic bacteria while acting upon biodegradable materials in an anaerobic condition. Biogas is mainly composed of 50 to 70 percent methane, 30 to 40 percent carbon dioxide (CO2) and low amount of other gases as shown in Table 1.

Source Yadav

1997-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "h2 hydrogen hungary" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


121

Overview of NEMS-H2, Version 1.0  

NLE Websites -- All DOE Office Websites (Extended Search)

NEMS-H2, Version 1.0 NEMS-H2, Version 1.0 Frances Wood OnLocation, Inc., Energy Systems Consulting (fwood@onlocationinc.com) January 26, 2006 OnLocation, Inc., Energy Systems Consulting 2 Today's Presentation * Overview of NEMS-H2 Structure * Current Status * New Hydrogen Market Module (HMM) * Transportation Module Modifications * Preliminary Test Runs * Looking Ahead to Next Phase OnLocation, Inc., Energy Systems Consulting 3 NEMS Overview * The National Energy Modeling System (NEMS) was developed and is maintained by EIA - Annual Energy Outlook projections - Congressional as well as agency requests * NEMS has also been used extensively outside of EIA - Various National Laboratories studies - National Commission on Energy Policy - Program offices within DOE for R&D benefits estimation * Modular structure allows each sector to be represented by

122

Secretary Bodman Meets with Regional Energy Ministers in Hungary |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Regional Energy Ministers in Hungary Regional Energy Ministers in Hungary Secretary Bodman Meets with Regional Energy Ministers in Hungary March 17, 2006 - 3:44pm Addthis Emphasizes U.S. Support for Central European Energy Security BUDAPEST, HUNGARY - Secretary of Energy Samuel W. Bodman today participated in a regional energy meeting with ministers from Hungary, Czech Republic, Poland, Slovakia, Austria, Croatia and Romania. During the meeting, Secretary Bodman and the ministers discussed the importance of advancing sufficient, affordable, clean and reliable energy supplies to sustain global economic growth, accommodate heightened demand, and promote regional energy security. Traveling to Budapest from Moscow where he participated in the G8 Energy Ministerial, Secretary Bodman reaffirmed the G8 priorities

123

Hawaii hydrogen power park Hawaii Hydrogen Power Park  

E-Print Network (OSTI)

energy source. (Barrier V-Renewable Integration) Hydrogen storage & distribution system. (Barrier V fueled vehicle hydrogen dispensing system. Demonstrate hydrogen as an energy carrier. Investigate Electrolyzer ValveManifold Water High Pressure H2 Storage Fuel Cell AC Power H2 Compressor Hydrogen Supply O2

124

The Transition to Hydrogen  

E-Print Network (OSTI)

optimistic hydrogen-demand scenarios, natural gas use woulddemand Model Presidents H 2 initiative (100% of ?eet) (50% of ?eet) (21% of ?eet) Natural gas

Ogden, Joan

2005-01-01T23:59:59.000Z

125

Evaluation of Protected Metal Hydride Slurries in a H2 Mini-  

E-Print Network (OSTI)

Evaluation of Protected Metal Hydride Slurries in a H2 Mini- Grid TIAX, LLC Acorn Park Cambridge_MERIT_REVIEW_MAY2003 2 Introduction Hydrogen Mini-Grid Concept Distributed FCPS utilizing a H2 Mini-Grid can provide waste heat can be used for hot water or space heating in buildings (i.e. "cogen") Distributed FCPS

126

Modeling H2 adsorption in carbon-based structures  

E-Print Network (OSTI)

Hydrogen storage has been identified as a primary bottleneck in the large-scale implementation of a hydrogen-based economy. Many research efforts are underway to both improve the capacity of existing hydrogen storage systems and develop new systems. One promising area of research is hydrogen physi-sorbed into carbonbased structures such as nanotubes and graphene. Two novel systems consisting of a phthalocyanine salt with a large cation were studied. Ab initio, density functional theory, and molecular dynamics simulations of tetramethylammonium lithium phthalocyanine (TMA-LiPc) and trimethyl-(2-trimethylazaniumylethyl) azanium phthalocyanine (TMA2-Pc) were undertaken to estimate the H2 gas-solid adsorption uptake (wt/wt) as a function of pressure and temperature. For TMA-LiPc, the maximum H2 binding energy was approximately 0.9 kcal/mol for an isolated system and 1.2 kcal/mol for a crystal. H2 adsorption at the optimal inter-layer distance of 8.49 ranged from 2.1% to 6.0% (wt/wt) at 300 K, 2.5% to 6.5% at 273K, 3.3% to 7.2% at 236K, 5.2% to 8.6% at 177K, and 10.4% to 11.7% at 77K. At ILD 10 H2 adsorption was about 1.5% (wt/wt) higher at all points. For TMA2-Pc, the maximum H2 binding energy was approximately 1.3 kcal/mol for an isolated system and 1.2 kcal/mol for a crystal. H2 adsorption at the optimal inter-layer distance of 8.12 ranged from 0.5% to 2.6% (wt/wt) at 300 K, 0.6% to 2.8% at 273K, 0.8% to 3.2% at 236K, 1.4% to 3.9% at 177K, and 4.5% to 6.0% at 77K. At ILD 10 H2 adsorption ranged from about 0.1% (wt/wt) at 40 bar to 0.5% higher at 250 bar. The behavior of H2 adsorption for both TMA-LiPc and TMA2-Pc were compared. The adsorbed H2 probability density was compared to pair correlation function data and surfaces of constant binding energy. Regions of relatively high H2 density appear to correlate well with the binding energy, but the total adsorption does not, indicating that the adsorption is driven by factors other than binding energetics. Lithium ion transport in TMA2-Pc was also investigated for suitability as an electrolyte medium for use in lithium ion battery systems.

Lamonte, Kevin Anthony

2008-05-01T23:59:59.000Z

127

Laboratory Study of Premixed H2-Air and H2-N2-Air Flames in a...  

NLE Websites -- All DOE Office Websites (Extended Search)

of Premixed H2-Air and H2-N2-Air Flames in a Low-Swirl Injector for Ultra-Low Emissions Gas Turbines Title Laboratory Study of Premixed H2-Air and H2-N2-Air Flames in a Low-Swirl...

128

Petroleum geochemistry of the Zala basin, Hungary  

Science Conference Proceedings (OSTI)

The Zala basin is a subbasin within the Pannonian basis on Hungary. Oil and smaller amounts of gas are produced from Upper Triassic through Miocene reservoirs. Our geochemical study of oils and rocks in the basin indicate that two, and possibly three, genetic oil types are present in the basin. Miocene source rocks, previously believed by explorationists to be the predominant source rock, have expelled minor amounts of hydrocarbons. The main source rock is the Upper Triassic (Rhaetian) Koessen Marl Formation or its stratigraphic equivalent. Oils derived from the Triassic source rock are recognizable by their isotopic and biological marker composition, and high content of metals. In other areas of Europe, Upper Triassic source rocks have been correlated with large oil accumulations (e.g., Molassa and Villafortuna fields, Po basin, and other fields in Italy) or are postulated to be good potential source rocks (e.g., Bristol channel Trough). Knowledge of the geochemical characteristics of oils derived from these Upper Triassic source rocks and understanding of the source rock distribution and maturation history are important for recognizing Triassic oil-source bed relationships and for further exploration in other basins in Hungary and other parts of Europe where Triassic source rocks are present.

Clayton, J.L. (Geological Survey, Denver, CO (United States)); Koncz, I. (Hungarian Oil and Gas Corp., Nagykanizsa (Hungary))

1994-01-01T23:59:59.000Z

129

Hydrogen Transition Sensitivity Studies using H2Sim  

NLE Websites -- All DOE Office Websites (Extended Search)

* City of Choice: Los Angeles * DOE LA Demand Scenario - LA Scenario 1 is baseline (Scenario 2 examined in sensitivity analysis) - Curve has Vehicle Penetration of 5.8% in 10...

130

Material Testing Priorities for Hydrogen (H2) Infrastructure  

NLE Websites -- All DOE Office Websites (Extended Search)

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131

Overview hazard analysis for the H2Fuel Bus Program  

DOE Green Energy (OSTI)

The H2Fuel Bus project is a joint development effort to produce a safe, near-zero emission, 32 passenger bus that is propelled by electric power with continuous on-board hydrogen powered battery recharging. A key initiative in the hydrogen bus development effort is a rigorous evaluation of operational safety. Westinghouse Savannah River Co., the prime contractor at the Department of Energy`s Savannah River Site, has developed a hazard analysis methodology designed to provide a systematic, comprehensive identification and evaluation of hazards. Although originally developed to support nuclear/chemical facility safety basis documentation, the SRS Methodology has widespread applicability to operations and/or systems that utilize hazardous materials and energy. This methodology was used to perform an overview hazard analysis for the H2Fuel Bus project to focus attention on those hypothetical circumstances that pose the greatest threat to the populace and property. The hazard analysis yields a listing of all known H2Fuel Bus hazards, postulated accident scenarios describing possible hazardous releases or conditions, an assessment of the scenarios in terms of frequency of occurrence and consequence, and binning in frequency-consequence space to assess the relative severity of postulated scenarios.

Hovis, G.L.

1996-06-18T23:59:59.000Z

132

Energy Basics: Hydrogen as a Transportation Fuel  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

EERE: Energy Basics Hydrogen as a Transportation Fuel Hydrogen (H2) is a potentially emissions-free alternative fuel that can be produced from domestic resources. Although not...

133

Assessing Hydrogen Embrittlement Susceptibility of Nanocrystalline ...  

Science Conference Proceedings (OSTI)

Abstract Scope, The dominating mechanism of hydrogen embrittlement (H2E) is ... Application of High-pressure Torsion to TiFe Hydrogen Storage Material: No...

134

EFFECT OF H2 PRODUCED THROUGH STEAM-METHANE REFORMING ON CHP PLANT EFFICIENCY  

E-Print Network (OSTI)

1 EFFECT OF H2 PRODUCED THROUGH STEAM-METHANE REFORMING ON CHP PLANT EFFICIENCY O. Le Corre1 , C@emn.fr ABSTRACT In-situ hydrogen production is carried out by a catalytic reformer kit set up into exhaust gases-thermal reforming process is achieved. Hydrogen production is mainly dependent on O2 content in exhaust gases

135

H2A Delivery Scenario Model and Analyses  

NLE Websites -- All DOE Office Websites (Extended Search)

H2A Delivery Scenario Model H2A Delivery Scenario Model and Analyses Marianne Mintz and Jerry Gillette DOE Hydrogen Delivery Analysis and High Pressure Tanks R&D Project Review Meeting February 8, 2005 2 Pioneering Science and Technology Office of Science U.S. Department of Energy Topics * Delivery Scenarios - Current status - Future scenarios * Delivery Scenarios model - Approach - Structure - Current status - Results * Pipeline modeling - Approach - Key assumptions - Results * Next Steps 3 Pioneering Science and Technology Office of Science U.S. Department of Energy Delivery Scenarios 4 Pioneering Science and Technology Office of Science U.S. Department of Energy Three-Quarters of the US Population Reside in Urbanized Areas East of the Mississippi there are many large, proximate urban areas. In the West

136

Emobility (Smart Grid Project) (Budapest, Hungary) | Open Energy  

Open Energy Info (EERE)

Budapest, Hungary) Budapest, Hungary) Jump to: navigation, search Project Name Emobility Country Hungary Headquarters Location Budapest, Hungary Coordinates 47.498405°, 19.040758° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":47.498405,"lon":19.040758,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

137

DOE removes all remaining HEU from Hungary | National Nuclear...  

National Nuclear Security Administration (NNSA)

NNSA Archive Federal Employment Apply for Our Jobs Our Jobs Working at NNSA Blog Home > NNSA Blog > DOE removes all remaining HEU from Hungary DOE removes all remaining HEU...

138

Effect of the on/off cycling modulation time ratio of C2H2/SF6 flows on the formation of geometrically controlled carbon coils  

Science Conference Proceedings (OSTI)

Carbon coils could be synthesized using C2H2/H2 as source gases and SF6 as an incorporated additive gas under thermal chemical vapor deposition system. Nickel catalyst layer deposition and then hydrogen plasma ...

Young-Chul Jeon; Jun-Ho Eum; Sung-Hoon Kim; Jung-Chul Park; Sung Il Ahn

2012-01-01T23:59:59.000Z

139

Microcontroller based H2C future car  

Science Conference Proceedings (OSTI)

This paper presents a microcontroller based Hydrogen fuel generation and control system for automobiles. It provides the mechanism to generate hydrogen as a fuel from abundantly present terrestrial resource water using electrolysis. This paper uses ATmega16 ... Keywords: AVR microcontroller, hydrogen fuel cell

N. Thakur; S. Gupta

2011-02-01T23:59:59.000Z

140

AOCS Official Method H 2-41  

Science Conference Proceedings (OSTI)

Petroleum Ether AOCS Official Method H 2-41 Methods Downloads Methods Downloads DEFINITION SCOPE 6ADA986E906791AA56A1C6453143C945 MC-H241 2425

Note: This page contains sample records for the topic "h2 hydrogen hungary" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


141

Boundary Analysis for H2 Production by Fermentation  

NLE Websites -- All DOE Office Websites (Extended Search)

Boundary Analysis for Boundary Analysis for H2 Production by Fermentation Submitted To: National Renewable Energy Laboratory by Tim Eggeman, Ph.D., P.E. Neoterics International March 12, 2004 Bioprocess * Energy * Chemicals * Polymers NEOTERICS INTERNATIONAL Using Technology to Create Business Innovation 303-358-6390 2319 S. Ellis Ct. time@frii.com Lakewood, CO 80228 March 12, 2004 Margaret Mann National Renewable Energy Laboratory 1617 Cole Boulevard, MS 1613 Golden, CO 80401 Dear Maggie: Enclosed is a conceptual design and order-of-magnitude economic analysis for the production of hydrogen by fermentation of carbohydrates under the following design basis:

142

Bridging the Gap Between Transportation and Stationary Power: Hydrogen Energy Stations and their Implications for the Transportation Sector  

E-Print Network (OSTI)

Natural gas Air High-pressure hydrogen compressor Compressed hydrogen storageNatural Gas Reformer H2 Purifier HigTT-pressure hydrogen compressor Compressed hydrogen storage

Weinert, Jonathan X.; Lipman, Timothy; Unnasch, Stephen

2005-01-01T23:59:59.000Z

143

H2 Storage Solutions Inc | Open Energy Information  

Open Energy Info (EERE)

Solutions Inc Solutions Inc Jump to: navigation, search Name H2 Storage Solutions Inc Place Bellevue, Washington State Zip 98006 Sector Hydro, Hydrogen Product Focus on hydrogen storage. Coordinates 47.61002°, -122.187549° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":47.61002,"lon":-122.187549,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

144

HYDROGEN & FUEL CELL PROGRAM - Energy  

PYROLYSIS Bio-oil REFORMING H 2 Biomass VAPORIZATION O 2 Low Temperature Oxidative Cracking SHIFT SEPARATION CO 2 H 2O . 57 Renewable Hydrogen Production Using Sugars and

145

DOE Hydrogen and Fuel Cells Program: Hydrogen Analysis Resource Center  

NLE Websites -- All DOE Office Websites (Extended Search)

Hydrogen Production Hydrogen Production Hydrogen Delivery Hydrogen Storage Hydrogen Manufacturing Fuel Cells Applications/Technology Validation Safety Codes and Standards Education Basic Research Systems Analysis Analysis Repository H2A Analysis Hydrogen Analysis Resource Center Scenario Analysis Well-to-Wheels Analysis Systems Integration U.S. Department of Energy Search help Home > Systems Analysis > Hydrogen Analysis Resource Center Printable Version Hydrogen Analysis Resource Center The Hydrogen Analysis Resource Center provides consistent and transparent data that can serve as the basis for hydrogen-related calculations, modeling, and other analytical activities. This new site features the Hydrogen Data Book with data pertinent to hydrogen infrastructure analysis; links to external databases related to

146

Quantum rotation of H2 in SWNT  

Science Conference Proceedings (OSTI)

... interest recently due to reports of high density hydrogen storage at room ... placed under dynamic vacuum for ~12 h with a mechanical pump (~10 -3 ...

147

Fluorine for Hydrogen Exchange in the Hydrofluorobenzene Derivatives C6HxF(6-x), where x = 2, 3, 4 and 5 by Monomeric [1,2,4-(Me3C)3C5H2]2CeH; The Solid State Isomerization of [1,2,4-(Me3C)3C5H2]2Ce(2,3,4,5-C6HF4) to [1,2,4-(Me3C)3C5H2]2Ce(2,3,4,6-C6HF4)  

DOE Green Energy (OSTI)

The reaction between monomeric bis(1,2,4-tri-t-butylcyclopentadienyl)cerium hydride, Cp'2CeH, and several hydrofluorobenzene derivatives is described. The aryl derivatives that are the primary products, Cp'2Ce(C6H5-xFx) where x = 1,2,3,4, are thermally stable enough to be isolated in only two cases, since all of them decompose at different rates to Cp'2CeF and a fluorobenzyne; the latter is trapped by either solvent when C6D6 is used or by a Cp'H ring when C6D12 is the solvent. The trapped products are identified by GCMS analysis after hydrolysis. The aryl derivatives are generated cleanly by reaction of the metallacycle, Cp'((Me3C)2C5H2C(Me2)CH2)Ce, with a hydrofluorobenzene and the resulting arylcerium products, in each case, are identified by their 1H and 19F NMR spectra at 20oC. The stereochemical principle that evolves from these studies is that the thermodynamic isomer is the one in which the CeC bond is flanked by two ortho-CF bonds. This orientation is suggested to arise from the negative charge that is localized on the ipso-carbon atom due to Co(delta+)-Fo(delta-) polarization. The preferred regioisomer is determined by thermodynamic rather than kinetic effects; this is illustrated by the quantitative, irreversible solid-state conversion at 25oC over two months of Cp'2Ce(2,3,4,5-C6HF4) to Cp'2Ce(2,3,4,6-C6HF4), an isomerization that involves a CeC(ipso) for C(ortho)F site exchange.

Andersen, Richard; Werkema, Evan L.; Andersen, Richard A.

2008-04-21T23:59:59.000Z

148

ECONOMIC FEASIBILITY ANALYSIS OF HYDROGEN PRODUCTION BY  

E-Print Network (OSTI)

steps (syngas generation, shift conversion and hydrogen purification) necessary for hydrogen production for this process option. O2 H2 air N.G. + Steam Hydrogen H2-depleted syngas OTM Reactor HTM Reactor syngas Figure 1- gas. A portion of natural gas also reacts with steam to form syngas. Additional hydrogen is formed

149

Hydrogen Regional Infrastructure Program in Pennsylvania  

NLE Websites -- All DOE Office Websites (Extended Search)

REGIONAL REGIONAL INFRASTRUCTURE PROGRAM IN PENNSYLVANIA HYDROGEN REGIONAL INFRASTRUCTURE PROGRAM IN PENNSYLVANIA Melissa Klingenberg, PhD Melissa Klingenberg, PhD Hydrogen Program Hydrogen Program Air Products and Chemicals, Inc. (APCI) Hydrogen Separation Hydrogen Sensors Resource Dynamics Corporation (RDC) Tradeoff/Sensitivity Analyses of Hydrogen Delivery Approaches EDO Fiber Science High Pressure/High Strength Composite Material Development and Prototyping CTC * Program Management * Hydrogen Delivery - CH 4 /H 2 co-transport - H 2 separation - Delivery approaches * Advanced Materials - Characterization - Testing/Analyses - Predictive Modeling * Sensors SRNL Pipeline Life Management Program Develop infrastructure technology for a H 2 economy Aims to serve as "go-to" organization to catalyze PA Hydrogen

150

EUDEEP (Smart Grid Project) (Hungary) | Open Energy Information  

Open Energy Info (EERE)

EUDEEP (Smart Grid Project) (Hungary) EUDEEP (Smart Grid Project) (Hungary) Jump to: navigation, search Project Name EUDEEP Country Hungary Coordinates 47.162495°, 19.503304° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":47.162495,"lon":19.503304,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

151

Assessment of kinetic modeling for lean H2/CH4/O2/diluent flames at high pressures  

E-Print Network (OSTI)

: Hydrogen; Methane; Syngas; Flame speed; Chemical mechanism 1. Introduction The H2/O2 reaction system CO, CO2, H2O, CH4 and other small hydrocarbons (synthetic gas or "syngas") from coal or biomass gasification [2]. Typical syngas mixtures can contain significant amounts of small molecular weight

Ju, Yiguang

152

Chemical Hydrogen Storage Center Center of Excellence  

E-Print Network (OSTI)

Source Hydrogen H2 storage Hydrogen Stored Energy Point-of-use Chemical hydrogen storage #12;5 ChemicalChemical Hydrogen Storage Center Center of Excellence for Chemical Hydrogen Storage William Tumas proprietary or confidential information #12;2 Chemical Hydrogen Storage Center Overview Project Start Date: FY

Carver, Jeffrey C.

153

Using HyTrans to Study H2 Transition Scenarios  

NLE Websites -- All DOE Office Websites (Extended Search)

Using HyTrans Using HyTrans to Study H2 Transition Scenarios David Greene & Paul Leiby Oak Ridge National Laboratory Elzbieta Tworek Univ. of Tennessee & StrataG David Bowman Consultant DOE Hydrogen Transition Analysis Workshop January 26, 2006 Washington, DC OAK RIDGE NATIONAL LABORATORY U. S. DEPARTMENT OF ENERGY We will try to cover 4 topics in ½ hour because what we want is your input. 1. What is HyTrans? 2. What can it do? 1. Previous analyses 2. Initial early transition runs 3. What improvements are needed for realistic early transition analysis? 4. How will we interface with NREL's detailed GIS analyses? OAK RIDGE NATIONAL LABORATORY U. S. DEPARTMENT OF ENERGY 1. What is HyTrans? OAK RIDGE NATIONAL LABORATORY U. S. DEPARTMENT OF ENERGY HyTrans is a national (regional) model of the market

154

DOE Hydrogen and Fuel Cells Program: Upcoming Webinar July 9...  

NLE Websites -- All DOE Office Websites (Extended Search)

one of these models in detail, the H2A (Hydrogen Analysis) model. H2A allows a user to estimate the cost of producing hydrogen from a variety of different technical pathways and...

155

Cu-Pd Hydrogen Separation Membranes with Reduced Palladium ...  

hydrogen production from fossil fuels. Membranes already exist that can be used to separate hydrogen and carbon dioxide, producing high purity H 2

156

Questions and Issues on Hydrogen Pipeline Transmission of Hydrogen  

E-Print Network (OSTI)

Questions and Issues on Hydrogen Pipelines Pipeline Transmission of Hydrogen Doe Hydrogen Pipeline Working Group Meeting August 31, 2005 #12;Pipeline Transmission of Hydrogen --- 2 Copyright: Air Liquide Pipeline Inventory Breakdown by gases 0 500 1000 1500 2000 2500 3000 3500 KM N2 2956 km O2 3447 km H2 1736

157

Author's personal copy Maximizing the solar to H2 energy conversion efficiency  

E-Print Network (OSTI)

Author's personal copy Maximizing the solar to H2 energy conversion efficiency of outdoor, Cockrell School of Engineering, The University of Texas at Austin ­ Austin, TX 78712, USA b Mechanical t A numerical study is presented aiming to maximize the solar to hydrogen energy conversion efficiency

Pilon, Laurent

158

SRD 134 Hydrogen  

Science Conference Proceedings (OSTI)

> Return to SRD 134, Index of Semiconductor Process Gases. HYDROGEN. MW [1]. 2.0159. NBP [1]. 20.390 K. TP [1]. 13.957 K. H 2. Pc [1]. 1.3150 MPa ...

2012-07-27T23:59:59.000Z

159

SRD 134 Hydrogen Sulfide  

Science Conference Proceedings (OSTI)

> Return to SRD 134, Index of Semiconductor Process Gases. HYDROGEN SULFIDE. MW [1]. 34.082. NBP [1]. 212.88 K. TP [1]. 187.7 K. H 2 S. Pc [1 ...

2012-07-27T23:59:59.000Z

160

High Temperature Fuel Cell Tri-Generation of Power, Heat & H2 from Biogas  

NLE Websites -- All DOE Office Websites (Extended Search)

National Fuel Cell Research Center, 2012 1/22 National Fuel Cell Research Center, 2012 1/22 High Temperature Fuel Cell Tri-Generation of Power, Heat & H 2 from Biogas Jack Brouwer, Ph.D. June 19, 2012 DOE/ NREL Biogas Workshop - Golden, CO © National Fuel Cell Research Center, 2012 2/22 Outline * Introduction and Background * Tri-Generation/Poly-Generation Analyses * OCSD Project Introduction © National Fuel Cell Research Center, 2012 3/22 Introduction and Background * Hydrogen fuel cell vehicle performance is outstanding * Energy density of H 2 is much greater than batteries * Rapid fueling, long range ZEV * H 2 must be produced * energy intensive, may have emissions, fossil fuels, economies of scale * Low volumetric energy density of H 2 compared to current infrastructure fuels (@ STP)

Note: This page contains sample records for the topic "h2 hydrogen hungary" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


161

H2Gen Innovations Inc | Open Energy Information  

Open Energy Info (EERE)

Gen Innovations Inc Gen Innovations Inc Jump to: navigation, search Name H2Gen Innovations Inc Place Alexandria, Virginia Zip 22304-4806 Sector Hydro, Hydrogen Product The company manufactures low-cost, small-scale hydrogen generators for industrial applications and for the emerging fuel cell vehicle and distributed fuel cell power generation markets. Coordinates 31.19224°, 29.88987° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":31.19224,"lon":29.88987,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

162

Photosynthesis for Hydrogen and Fuels Production Webinar  

NLE Websites -- All DOE Office Websites (Extended Search)

Photosynthesis for Hydrogen and Fuels Production Tasios Melis, UC Berkeley 24-Jan-2011 1 UCB-Melis 2 CO 2 H 2 O Photosynthesis Photons H 2 HC O 2 , Biomass Feedstock and products...

163

Hydrogen Storage- Overview  

NLE Websites -- All DOE Office Websites (Extended Search)

- - Overview George Thomas, Hydrogen Consultant to SNL * and Jay Keller, Hydrogen Program Manager Sandia National Laboratories H 2 Delivery and Infrastructure Workshop May 7-8, 2003 * Most of this presentation has been extracted from George Thomas' invited BES Hydrogen Workshop presentation (May 13-14, 2003) Sandia National Laboratories 4/14/03 2 Sandia National Laboratories From George Thomas, BES workshop 5/13/03 H 2 storage is a critical enabling technology for H 2 use as an energy carrier The low volumetric density of gaseous fuels requires a storage method which compacts the fuel. Hence, hydrogen storage systems are inherently more complex than liquid fuels. Storage technologies are needed in all aspects of hydrogen utilization. production distribution utilization

164

Hungary-Employment Impacts of a Large-Scale Deep Building Retrofit  

Open Energy Info (EERE)

Hungary-Employment Impacts of a Large-Scale Deep Building Retrofit Hungary-Employment Impacts of a Large-Scale Deep Building Retrofit Programme Jump to: navigation, search Name Hungary-Employment Impacts of a Large-Scale Deep Building Retrofit Programme Agency/Company /Organization European Climate Foundation Sector Energy Focus Area Energy Efficiency, Buildings, - Building Energy Efficiency Topics Co-benefits assessment, Background analysis Resource Type Publications Website http://3csep.ceu.hu/sites/defa Country Hungary UN Region Eastern Europe References Hungary-Employment Impacts of a Large-Scale Deep Building Retrofit Programme[1] Hungary-Employment Impacts of a Large-Scale Deep Building Retrofit Programme Screenshot "The goal of the present research was to gauge the net employment impacts of a largescale deep building energy-efficiency renovation programme in

165

MELCOR-H2 Benchmarking of the SNL Transient Sulfuric Acid Decomposition Experiments  

SciTech Connect

MELCOR is a world-renowned nuclear reactor safety analysis code that is used to simulate both light water and gas-cooled reactors. MELCOR-H2 is an extension of MELCOR that can model detailed nuclear reactors that are fully coupled with modular secondary-system components and the sulfur iodine (SI) thermochemical cycle for the generation of hydrogen and electricity. The models are applicable to both steady state and transient calculations. Previous work has shown that the hydrogen generation rate calculated by MELCOR-H2 for the SI cycle was within the expected theoretical yield, thus providing a macroscopic confirmation that MELCOR-H2's computational approach is reasonable. However, in order to better quantify its adequacy, benchmarking of the code with experimental data is required. Sulfuric acid decomposition experiments were conducted during late 2006 at Sandia National Laboratories, and MELCOR-H2 was used to simulate them. We developed an input deck based on the experiment's geometry, as well as the initial and boundary conditions, and then proceeded to compare the experimental acid conversion efficiency and SO{sub 2} production data with the code output. The comparison showed that the simulation output was typically within less than 10% of experimental data, and that key experimental data trends such as acid conversion efficiency, molar acid flow rate, and solution mole % were computed adequately by the MELCOR-H2. (authors)

Rodriguez, Sal B.; Gauntt, Randall O.; Gelbard, Fred; Pickard, Paul; Cole, Randy; McFadden, Katherine; Drennen, Tom; Martin, Billy [Sandia National Laboratories, P.O. Box 5800, MS 0748, Albuquerque, NM 87185-0748 (United States); Louie, David; Archuleta, Louis [OMICRON Safety and Risk (United States); Revankar, Shripad T. [Purdue University (United States); Vierow, Karen [University of Texas A and M (United States); El-Genk, Mohamed; Tournier, Jean Michel [University of New Mexico (United States)

2007-07-01T23:59:59.000Z

166

H2A Biomethane Model Documentation and a Case Study for Biogas From Dairy Farms  

SciTech Connect

The new H2A Biomethane model was developed to estimate the levelized cost of biomethane by using the framework of the vetted original H2A models for hydrogen production and delivery. For biomethane production, biogas from sources such as dairy farms and landfills is upgraded by a cleanup process. The model also estimates the cost to compress and transport the product gas via the pipeline to export it to the natural gas grid or any other potential end-use site. Inputs include feed biogas composition and cost, required biomethane quality, cleanup equipment capital and operations and maintenance costs, process electricity usage and costs, and pipeline delivery specifications.

Saur, G.; Jalalzadeh, A.

2010-12-01T23:59:59.000Z

167

Historical Information H.2 Biological Studies  

Office of Legacy Management (LM)

_-_ . - _-_ . - H.2 Biological Studies (0 \ j ; : : j Book . l Ad Hoc Rulison Review Panel Comments Regarding Re-Entry , and Testing Operations, December 22, 1969 This page intentionally left blank December 22, 1969 M r . Robert E. Miller, Manager Nevada Operations Office U. S. Atomic Energy Commission Post Office Box 14100 Las Vegas, Nevada 89114 Dear M r . Miller: F4cmbers of t h e A d Hoc Rulison Review Panel reconvened on December 22, 1969, t o hear and discuss comments r e s u l t i n g from our report of November 21, 1969. Comments of the Panel a r e herein again presented i n two p a r t s : (1) engineering and (2) bio-environmental aspects of t h e re-entxy and t e s t i n g operation. Modifications of our previous recommendations a r e t h e r e s u l t of c l a r i f i c a t i o n of our comments as well a

168

H2-MHR Pre-Conceptual Design Report: SI-Based Plant; HTE-Based Plant  

DOE Green Energy (OSTI)

Hydrogen and electricity are expected to dominate the world energy system in the long term. The world currently consumes about 50 million metric tons of hydrogen per year, with the bulk of it being consumed by the chemical and refining industries. The demand for hydrogen is expected to increase, especially if the U.S. and other countries shift their energy usage towards a hydrogen economy, with hydrogen consumed as an energy commodity by the transportation, residential, and commercial sectors. However, there is strong motivation to not use fossil fuels in the future as a feedstock for hydrogen production, because the greenhouse gas carbon dioxide is a byproduct and fossil fuel prices are expected to increase significantly. For electricity and hydrogen production, an advanced reactor technology receiving considerable international interest is a modular, passively-safe version of the high-temperature, gas-cooled reactor (HTGR), known in the U.S. as the Modular Helium Reactor (MHR), which operates at a power level of 600 MW(t). For electricity production, the MHR operates with an outlet helium temperature of 850 C to drive a direct, Brayton-cycle power-conversion system (PCS) with a thermal-to-electrical conversion efficiency of 48 percent. This concept is referred to as the Gas Turbine MHR (GT-MHR). For hydrogen production, the process heat from the MHR is used to produce hydrogen. This concept is referred to as the H2-MHR.

Matt Richards; A.S. Shenoy; L.C. Brown; R.T. Buckingham; E.A. Harvego; K.L. Peddicord; S.M.M. Reza; J.P. Coupey

2006-04-19T23:59:59.000Z

169

Fuel Cell Technologies Office: Hydrogen Sensor Workshop  

NLE Websites -- All DOE Office Websites (Extended Search)

CSA Standards DOE Fuel Cell Technologies Office Element One, Inc. EmersonTherm-O-Disc FM Global Fuel Cell & Hydrogen Energy Association H2scan Honeywell Analytics Intelligent...

170

Scale-Up of Hydrogen Transport Membranes  

NLE Websites -- All DOE Office Websites (Extended Search)

feedstocks, such as coal, are converted into gaseous components, called synthesis gas (syngas), a mixture of hydrogen (H 2 ) and carbon monoxide (CO). The syngas can be further...

171

Hydrogen Delivery Technologies and Pipeline Transmission of Hydrogen  

E-Print Network (OSTI)

Hydrogen Delivery Technologies and Systems Pipeline Transmission of Hydrogen Strategic Initiatives, and Infrastructure Technologies Program #12;Pipeline Transmission of Hydrogen --- 2 Copyright: Design & Operation Standards Relevant Design and Operating Standards ANSI/ASME B31.8 49 CFR 192 CGA H2 Pipeline Standard (in

172

Mechanical Properties of Structural Steels in Hydrogen  

NLE Websites -- All DOE Office Websites (Extended Search)

Mechanical Properties of Mechanical Properties of Structural Steels in Hydrogen B.P. Somerday, K.A. Nibur, C. San Marchi, and M. Yip Sandia National Laboratories Livermore, CA DOE Hydrogen Pipeline Working Group Meeting Aiken, SC September 25-26, 2007 H H H dδ/dt ≥ 0 H 2 H 2 Methods for measuring mechanical properties of structural steels in hydrogen dδ/dt > 0 dδ/dt > 0 strength of materials: σ UTS , σ YS , ε f , RA H 2 H H H H 2 H H 2 H H 2 H H H 2 H H 2 fracture mechanics: K IH , K TH H H H H H H H H H H dδ/dt ≥ 0 H H H H H H H H H H H H H H H 2 H 2 H 2 H 2 H 2 H 2 Tensile Testing Carbon Steel in H 2 E x t r u s i o n D i r e c t i o n / L - C O r i e n t a t i o n T T B a s e H A Z W e l d W e l d * Alloys: 106 Grade B * Multi-pass SMAW w/out stress relief * Specimens machined in 3 conditions: Base metal, Weld and HAZ * Orientation: L-C

173

NETL: Coal & Coal Biomass to Liquids - NETL H2-from-Coal Separations  

NLE Websites -- All DOE Office Websites (Extended Search)

and Coal/Biomass to Liquids - Reference Shelf and Coal/Biomass to Liquids - Reference Shelf NETL H2-from-Coal Separations Project Reviews April 29-30, 2008 National Energy Technology Laboratory Morgantown, WV Presentations NETL/ORD In-House Membrane Research Bryan Morreale - National Energy Technology Laboratory Development of Mixed-Conducting Dense Ceramic Membranes for Hydrogen Separation [PDF-1.4MB] Hydrogen Production by Water Dissociation Using Ceramic Membranes Balu Balachandran - Argonne National Laboratory High Flux Metallic Membranes for Hydrogen Recovery and Membrane Reactors [PDF-505KB] Robert Buxbaum - REB Research and Consulting Scale-Up of Hydrogen Transport Membranes for IGCC and FutureGen Plants Doug Jack - Eltron Research Sulfur and Halide Tolerance Kent Coulter - Southwest Research Institute

174

Hydrogen Fueling Systems and Infrastructure  

E-Print Network (OSTI)

Hydrogen Fueling Systems and Infrastructure Storage & Delivery Production Conversion & Application emissions: renewable based feedstock · Flexibility #12;Targets and Status Hydrogen Delivery 858280%Energyk1.2M1.4M$/mileTrunk lines Hydrogen Gas Pipelines 877065%Energy efficiency 0.531.011.11$/kg H2Cost

175

Energy Basics: Hydrogen as a Transportation Fuel  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Natural Gas Propane Ultra-Low Sulfur Diesel Vehicles Hydrogen as a Transportation Fuel Hydrogen (H2) is a potentially emissions-free alternative fuel that can be produced...

176

Leak Detection and H2 Sensor Development  

DOE Green Energy (OSTI)

Low-cost, durable, and reliable Hydrogen safety sensor for vehicle, stationary, and infrastructure applications. A new zirconia, electrochemical-based sensor technology is being transitioned out of the laboratory and into an advanced testing phase for vehicular and stationary H{sub 2} safety applications. Mixed potential sensors are a class of electrochemical devices that develop an open-circuit electromotive force due to the difference in the kinetics of the redox reactions of various gaseous species at each electrode/electrolyte/gas interface, referred to as the triple phase boundary (TPB). Therefore, these sensors have been considered for the sensing of various reducible or oxidizable gas species in the presence of oxygen. Based on this principle, a unique sensor design was developed by LANL and LLNL. The uniqueness of this sensor derives from minimizing heterogeneous catalysis (detrimental to sensor response) by avoiding gas diffusion through a catalytically active material and minimizing diffusion path to the TPB. Unlike the conventional design of these devices that use a dense solid electrolyte and porous thin film electrodes (similar to the current state-of-the-art zirconia-based sensors and fuel cells), the design of this sensor uses dense electrodes and porous electrolytes. Such a sensor design facilitates a stable and reproducible device response, since dense electrode morphologies are easy to reproduce and are significantly more stable than the conventional porous morphologies. Moreover, these sensors develop higher mixed potentials since the gas diffusion is through the less catalytically active electrolyte than the electrode. Lastly, the choice of electrodes is primarily based on their O2 reduction kinetics and catalytic properties vis-a-vis the target gas of interest.

Brosha, Eric L. [Los Alamos National Laboratory

2012-07-10T23:59:59.000Z

177

An Assessment of the Near-Term Costs of Hydrogen Refueling Stations and Station Components  

E-Print Network (OSTI)

Storage Dispenser Delivery and Installation Cost Hydrogen Cost Natural GasNatural Gas Cost ($/MMBTU, HHV) Electricity Cost ($/kWh) Production Volume StorageNatural Gas Reformer Reformate Hydrogen H2 Purifier High -pressure hydrogen compressor Compressed hydrogen storage

Weinert, Jonathan X.; Lipman, Timothy

2006-01-01T23:59:59.000Z

178

Highly Selective H2 Separation Zeolite Membranes for Coal Gasification Membrane Reactor Applications  

DOE Green Energy (OSTI)

Zeolite membranes are thermally, chemically, and mechanically stable. They also have tunable molecular sieving and catalytic ability. These unique properties make zeolite membrane an excellent candidate for use in catalytic membrane reactor applications related to coal conversion and gasification, which need high temperature and high pressure range separation in chemically challenging environment where existing technologies are inefficient or unable to operate. Small pore, good quality, and thin zeolite membranes are needed for highly selective H2 separation from other light gases (CO2, CH4, CO). However, current zeolite membranes have either too big zeolite pores or a large number of defects and have not been successful for H2 separation from light gases. The objective of this study is to develop zeolite membranes that are more suitable for H2 separation. In an effort to tune the size of zeolite pores and/or to decrease the number of defects, medium-pore zeolite B-ZSM-5 (MFI) membranes were synthesized and silylated. Silylation on B-ZSM-5 crystals reduced MFI-zeolite pore volume, but had little effect on CO2 and CH4 adsorption. Silylation on B-ZSM-5 membranes increased H2 selectivity both in single component and in mixtures with CO2, CH4, or N2. Single gas and binary mixtures of H2/CO2 and H2/CH4 were permeated through silylated B-ZSM-5 membranes at feed pressures up to 1.7 MPa and temperatures up to 773 K. For one B-ZSM-5 membrane after silylation, the H2/CO2 separation selectivity at 473 K increased from 1.4 to 37, whereas the H2/CH4 separation selectivity increased from 1.6 to 33. Hydrogen permeance through a silylated BZSM-5 membrane was activated with activation energy of {approx}10 kJ/mol, but the CO2 and CH4 permeances decreased slightly with temperature in both single gas and in mixtures. Therefore, the H2 permeance and H2/CO2 and H2/CH4 separation selectivities increased with temperature. At 673 K, the H2 permeance was 1.0x10-7 mol{center_dot}m-2{center_dot}s-1{center_dot}Pa-1, and the H2/CO2 separation selectivity was 47. Above 673 K, the silylated membrane catalyzed reverse water gas shift reaction and still separated H2 with high selectivity; and it was thermally stable. However, silylation decreased H2 permeance more than one order of magnitude. Increasing the membrane feed pressure increased the H2 flux and the H2 mole fraction in the permeate stream for both H2/CO2 and H2/CH4 mixtures. The H2 separation performance of the silylated B-ZSM-5 membranes depended on the initial membrane quality and acidity, as well as the silane precursors. Another approach used in this study is optimizing the synthesis of small-pore SAPO-34 (CHA) membranes and/or modifying SAPO-34 membranes by silylation or ion exchange. For SAPO-34 membranes, strong CO2 adsorption inhibited H2 adsorption and decreased H2 permeances, especially at low temperatures. At 253 K, CO2/H2 separation selectivities of a SAPO-34 membrane were greater than 100 with CO2 permeances of about 3 x 10-8 mol{center_dot}m-2{center_dot}s-1{center_dot}Pa-1. The high reverse-selectivity of the SAPO-34 membranes can minimize H2 recompression because H2 remained in the retentate stream at a higher pressure. The CO2/H2 separation selectivity exhibited a maximum with CO2 feed concentration possibly caused by a maximum in the CO2/H2 sorption selectivity with increased CO2 partial pressure. The SAPO-34 membrane separated H2 from CH4 because CH4 is close to the SAPO-34 pore size so its diffusivity (ABSTRACT TRUNCATED)

Mei Hong; Richard Noble; John Falconer

2007-09-24T23:59:59.000Z

179

Modeling H2 formation in the turbulent ISM: Solenoidal versus compressive turbulent forcing  

E-Print Network (OSTI)

We present results from high-resolution three-dimensional simulations of the turbulent interstellar medium that study the influence of the nature of the turbulence on the formation of molecular hydrogen. We have examined both solenoidal (divergence-free) and compressive (curl-free) turbulent driving, and show that compressive driving leads to faster H2 formation, owing to the higher peak densities produced in the gas. The difference in the H2 formation rate can be as much as an order of magnitude at early times, but declines at later times as the highest density regions become fully molecular and stop contributing to the total H2 formation rate. We have also used our results to test a simple prescription suggested by Gnedin et al. (2009) for modeling the influence of unresolved density fluctuations on the H2 formation rate in large-scale simulations of the ISM. We find that this approach works well when the H2 fraction is small, but breaks down once the highest density gas becomes fully molecular.

Milosavljevic, Milica; Federrath, Christoph; Klessen, Ralf S

2011-01-01T23:59:59.000Z

180

NREL: News Feature - Eco-Friendly SUV Gets a Hydrogen Mileage...  

NLE Websites -- All DOE Office Websites (Extended Search)

hydrogen fuel cell vehicles being tested at NREL. The new station is part of NREL and Xcel Energy's Wind to Hydrogen (Wind2H2) project. Wind2H2 uses wind and solar energy to...

Note: This page contains sample records for the topic "h2 hydrogen hungary" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


181

Molecular Hydrogen in Infrared Cirrus  

E-Print Network (OSTI)

We combine data from our recent FUSE survey of interstellar molecular hydrogen absorption toward 50 high-latitude AGN with COBE-corrected IRAS 100 micron emission maps to study the correlation of infrared cirrus with H2. A plot of the H2 column density vs. IR cirrus intensity shows the same transition in molecular fraction, f_H2, as seen with total hydrogen column density, N_H. This transition is usually attributed to H2 self-shielding, and it suggests that many diffuse cirrus clouds contain H2 in significant fractions, f_H2 = 1-30%. These clouds cover approximately 50% of the northern sky at latitudes b > 30 degrees, at temperature-corrected 100 micron intensities D_100 > 1.5 MJy/sr. The sheetlike cirrus clouds, with hydrogen densities n_H > 30 cm^-3, may be compressed by dynamical processes at the disk-halo interface, and they are conducive to H2 formation on grain surfaces. Exploiting the correlation between N(H2) and 100 micron intensity, we estimate that cirrus clouds at b > 30 contain approximately 3000 M_sun in H2. Extrapolated over the inner Milky Way, the cirrus may contain 10^7 M_sun of H2 and 10^8 M_sun in total gas mass. If elevated to 100 pc, their gravitational potential energy is ~10^53 erg.

Kristen Gillmon; J. Michael Shull

2005-07-25T23:59:59.000Z

182

Photoelectrochemical Water Systems for H2 Production (Presentation)  

DOE Green Energy (OSTI)

This Photoelectrochemical Water Systems for Hydrogen Production presentation by the National Renewable Energy Laboratory's John Turner was given at the DOE Hydrogen Program's 2007 Annual Merit Review.

Turner, J. A.; Deutsch, T.; Head, J.; Vallett, P.

2007-05-17T23:59:59.000Z

183

Hydrogen for X-group exchange in CH3X, X = Cl, Br, I, OMe and NMe2 byMonomeric [1,2,4-(Me3C)3C5H2]2CeH: Experimental and Computational Support for a Carbenoid Mechanism  

DOE Green Energy (OSTI)

The reaction between [1,2,4-(Me3C)3C5H2]2CeH, referred to as Cp'2CeH, andCH3X where X is Cl, Br, I, OMe and NMe2, are described. The reactions fall intothree distinct classes. Class a, where X = Cl, Br and I rapidly form Cp'2CeX and CH4without formation of identifiable intermediates in the 1H NMR spectra. Class b, whereX = OMe proceeds rapidly to Cp'2Ce(eta2-CH2OMe) and H2 and then to Cp'2CeOMeand CH4. The methoxymethyl derivative is sufficiently stable to be isolated andcharacterized and it is rapidly converted to Cp'2CeOMe in presence of BPh3. Class c,where X = NMe2 does not result in formation of Cp'2CeNMe2, but deuterium labelingexperiments show that H for D exchange occurs in NMe3. Density functionalcalculations DFT(B3PW91) on the reaction of (C5H5)2CeH, referred to as Cp2CeH,and CH3X show that the barrier for alpha-CH activation, resulting in formation ofCp2Ce(eta2-CH2X), proceeds with a relatively low activation barrier (DeltaG++) but thesubsequent ejection of CH2 and trapping by H2 has a higher barrier; the height of thesecond barrier lies in the order F, Cl, Br, I< OMe<< NMe2, consistent with theexperimental studies. The DFT calculations also show that the two-step reaction,which proceeds through a carbenoid intermediate, has a lower barrier than a directone-step sigma bond metathesis mechanism. The reaction of Cp2CeCH2OMe and BPh3 is calculated to be a low barrier process and the ylide, CH2(+)BPh3(-), is a transition state and not an intermediate.

Werkema, Evan; Andersen, Richard; Yahia, Ahmed; Maron, Laurent; Eisenstein, Odile

2009-05-15T23:59:59.000Z

184

Analysis of Renewable Hydrogen Rangan Banerjee  

E-Print Network (OSTI)

methods of hydrogen production Steam methane reforming (SMR) Coal gasification Electrolysis Based TRANSMISSION m 90% TR 91% #12;Base Case Natural Gas ­ Feedstock Steam Methane Reforming Life of plant 20 years/Therm) #12;Industrial Process CH4 + 2H2O 4H2 + CO2 Steam Methane Reforming #12;Variation of Hydrogen price

Banerjee, Rangan

185

Microchannel Reactor System Design & Demonstration For On-Site H2O2 Production by Controlled H2/O2 Reaction  

Science Conference Proceedings (OSTI)

We successfully demonstrated an innovative hydrogen peroxide (H2O2) production concept which involved the development of flame- and explosion-resistant microchannel reactor system for energy efficient, cost-saving, on-site H2O2 production. We designed, fabricated, evaluated, and optimized a laboratory-scale microchannel reactor system for controlled direct combination of H2 and O2 in all proportions including explosive regime, at a low pressure and a low temperature to produce about 1.5 wt% H2O2 as proposed. In the second phase of the program, as a prelude to full-scale commercialization, we demonstrated our H2O2 production approach by numbering up the channels in a multi-channel microreactor-based pilot plant to produce 1 kg/h of H2O2 at 1.5 wt% as demanded by end-users of the developed technology. To our knowledge, we are the first group to accomplish this significant milestone. We identified the reaction pathways that comprise the process, and implemented rigorous mechanistic kinetic studies to obtain the kinetics of the three main dominant reactions. We are not aware of any such comprehensive kinetic studies for the direct combination process, either in a microreactor or any other reactor system. We showed that the mass transfer parameter in our microreactor system is several orders of magnitude higher than what obtains in the macroreactor, attesting to the superior performance of microreactor. A one-dimensional reactor model incorporating the kinetics information enabled us to clarify certain important aspects of the chemistry of the direct combination process as detailed in section 5 of this report. Also, through mathematical modeling and simulation using sophisticated and robust commercial software packages, we were able to elucidate the hydrodynamics of the complex multiphase flows that take place in the microchannel. In conjunction with the kinetics information, we were able to validate the experimental data. If fully implemented across the whole industry as a result of our technology demonstration, our production concept is expected to save >5 trillion Btu/year of steam usage and >3 trillion Btu/year in electric power consumption. Our analysis also indicates >50 % reduction in waste disposal cost and ~10% reduction in feedstock energy. These savings translate to ~30% reduction in overall production and transportation costs for the $1B annual H2O2 market.

Adeniyi Lawal

2008-12-09T23:59:59.000Z

186

Nano Sep Membrane for H2 Flux brief  

CO, CH4, and H2O that are associated with steam reforming/water gas shift reactions. ... established distribution networks, and evidence of sufficient ...

187

DOE Fuel Cell Technologies Office Record 12002: H2 Production...  

NLE Websites -- All DOE Office Websites (Extended Search)

Fuel Cell Technologies Office Record Record : 12002 Date: February 22, 2012 Title: H2 Production Status & Threshold Costs Plot 2006-2011 Originator: Eric Miller and Sarah...

188

H2A Delivery Components Model and Analysis  

NLE Websites -- All DOE Office Websites (Extended Search)

- Replacement capital includes for some components H2A Delivery Component Economic Analysis * The economic results presented assume specific scenario - Scenario refers to...

189

Single photon induced symmetry breaking of H2 dissociation  

E-Print Network (OSTI)

computational methods used B-spline functions to obtain thein H 2 [13, 19, 20]. B-spline functions have also led,

2008-01-01T23:59:59.000Z

190

H2A Delivery: Forecourt Compression & Storage Optimization (Part...  

NLE Websites -- All DOE Office Websites (Extended Search)

set in order to match the performance (fill time, relative crowding) of modern gas stations 1 Fuel Gasoline Peak Monthly Supply Proper Allocation of H2 Dispensers ggemonth...

191

Mass Production Cost Estimation for Direct H2 PEM Fuel Cell Systems for Automotive Application  

NLE Websites -- All DOE Office Websites (Extended Search)

Mass Production Cost Estimation for Direct H 2 PEM Fuel Cell Systems for Automotive Applications: 2008 Update March 26, 2009 v.30.2021.052209 Prepared by: Brian D. James & Jeffrey A. Kalinoski One Virginia Square 3601 Wilson Boulevard, Suite 650 Arlington, Virginia 22201 703-243-3383 Prepared for: Contract No. GS-10F-0099J to the U.S. Department of Energy Energy Efficiency and Renewable Energy Office Hydrogen, Fuel Cells & Infrastructure Technologies Program Foreword Energy security is fundamental to the mission of the U.S. Department of Energy (DOE) and hydrogen fuel cell vehicles have the potential to eliminate the need for oil in the transportation sector. Fuel cell vehicles can operate on hydrogen, which can be produced domestically, emitting less greenhouse gas and pollutants than

192

The H2 Double-Slit Experiment: Where Quantum and Classical Physics Meet  

NLE Websites -- All DOE Office Websites (Extended Search)

The H2 Double-Slit Experiment: The H2 Double-Slit Experiment: Where Quantum and Classical Physics Meet The H2 Double-Slit Experiment: Where Quantum and Classical Physics Meet Print Wednesday, 27 February 2008 00:00 For the first time, an international research team carried out a double-slit experiment in H2, the smallest and simplest molecule. Thomas Young's original experiment in 1803 passed light through two slits cut in a solid thin plate. In the groundbreaking experiment performed at ALS Beamlines 4.0 and 11.0.1, the researchers used electrons instead of light and the nuclei of the hydrogen molecule as the slits. The experiment revealed that only one "observing" electron suffices to induce the emergence of classical properties such as loss of coherence. Double photoionization of H2. Left: Circularly polarized light comes from the top. All angular distributions are in the plane perpendicular to the photon propagation vector: Φe-mol is the angle of the fast electron's trajectory to the molecular axis; Φe-e is the angle between both electron trajectories. Center: Photoionization by circularly polarized light launches a coherent spherical photoelectron wave at each nucleus of the molecule; the light propagates into the plane. Right: Measured electron angular distribution Φe-mol of the faster electron (E1) from double photoionization of H2 by circularly polarized light. The orientation of the molecule is horizontal. Light propagates into the plane of the figure, the molecule is fixed ±10° within the plane shown, Eϒ = 240 eV, and the energy of the slow electron E2 = 0 to 5 eV, resulting in E1 = 185 to 190 eV.

193

EFFECT OF H2 PRODUCED THROUGH STEAM-METHANE REFORMING ON CHP PLANT EFFICIENCY  

E-Print Network (OSTI)

In-situ hydrogen production is carried out by a catalytic reformer kit set up into exhaust gases for a CHP plant based on spark ignition engine running under lean conditions. An overall auto-thermal reforming process is achieved. Hydrogen production is mainly dependent on O2 content in exhaust gases. Experiments are conducted at constant speed at 2 air/fuel ratios and 4 additional natural gas flow rates. H2 content varies in the range 6 % to 10 % in vol. H2 content effect is analyzed with respect to performance and emissions. Comparing with EGR shows an increasing of electrical efficiency of 1 % whilst heat recovery decreases by 1%. NO and HC decrease by 18 % and 12%, but CO increases by 14%, respectively. The results show that: (i) graphite joints were destroyed under effect of H2 and high temperature; (ii) a cold spot appeared in the RGR line, and condensation has as consequence a carbon deposit; and (iii) no back-fire or knock occurred.

O. Le Corre; C. Rahmouni; K. Saikaly; I. Dincer

2013-01-01T23:59:59.000Z

194

H2S molecular beam passivation of Ge(001)  

Science Conference Proceedings (OSTI)

A fundamental issue regarding the introduction of high-mobility Ge channels in CMOS circuits is the electrical passivation of the interface with the high-k gate dielectric. In this paper, we investigate the passivation of p-Ge(001) using molecular H"2S. ... Keywords: H2S, High- semiconductors, Molecular beam epitaxy, Passivation

C. Merckling; Y. C. Chang; C. Y. Lu; J. Penaud; M. El-Kazzi; F. Bellenger; G. Brammertz; M. Hong; J. Kwo; M. Meuris; J. Dekoster; M. M. Heyns; M. Caymax

2011-04-01T23:59:59.000Z

195

Autothermal Cyclic Reforming Based H2 Generating & Dispensing System  

E-Print Network (OSTI)

Pressure Reforming Comp- ressor 100 psig 100 psig Reformer H2 PSA SyngasNatural Gas Low Pressure Reforming CMP Syngas 5 psig5 psig Reformer CMP 100 psig H2 PSA Natural Gas Syngas CMP HX CMP HX Thermal Reliability (Eliminates Syngas Compressor) Advantages 70-80%70-80%Thermal Efficiency (Excludes Electricity

196

Biomass-Derived Hydrogen from a Thermally Ballasted Gasifier  

E-Print Network (OSTI)

Biomass-Derived Hydrogen from a Thermally Ballasted Gasifier DOE Hydrogen Program Contractors biomass #12;Approach Outline Gasifier Pilot Plant· Develop subsystems for the hydrogen production system heated gasifier Q Air N2 H2O CO2 O2 Steam H2 CO CO2 CmHn Biomass 45 kg/hr Biomass 180 kg/hr Sand Bed: 43

197

Hydrogen Pipeline Working Group Workshop: Code for Hydrogen Pipelines  

NLE Websites -- All DOE Office Websites (Extended Search)

Code for Hydrogen Code for Hydrogen Pipelines Hydrogen Pipeline Working Group Workshop Augusta, Georgia August 31, 2005 Louis Hayden, PE Chair ASME B31.12 3 Presentation Outline * Approval for new code development * Charge from BPTCS to B31 Standards Committee for Hydrogen Piping/Pipeline code development * B31.12 Status & Structure * Hydrogen Pipeline issues * Research Needs * Where Do We Go From Here? 4 Code for Hydrogen Piping and Pipelines * B31 Hydrogen Section Committee to develop a new code for H 2 piping and pipelines - Include requirements specific to H 2 service for power, process, transportation, distribution, commercial, and residential applications - Balance reference and incorporation of applicable sections of B31.1, B31.3 and B31.8 - Have separate parts for industrial, commercial/residential

198

DOE Hydrogen and Fuel Cells Program: Macro System Model  

NLE Websites -- All DOE Office Websites (Extended Search)

and Energy Use in Transportation (GREET; versions 1 and 2) H2A Production H2A Delivery Scenario Analysis Model (HDSAM) Hydrogen Demand and Resource Analysis (HyDRA) HyPro...

199

New Materials for Hydrogen Pipelines  

NLE Websites -- All DOE Office Websites (Extended Search)

OAK OAK RIDGE NATIONAL LABORATORY U. S. DEPARTMENT OF ENERGY New Materials for Hydrogen Pipelines New Materials for Hydrogen Pipelines Barton Smith, Barbara Frame, Cliff Eberle, Larry Anovitz, James Blencoe and Tim Armstrong Oak Ridge National Laboratory Jimmy Mays University of Tennessee, Knoxville Hydrogen Pipeline Working Group Meeting August 30-31, 2005 Augusta, Georgia 2 OAK RIDGE NATIONAL LABORATORY U. S. DEPARTMENT OF ENERGY Overview Overview - - Barriers and Technical Targets Barriers and Technical Targets * Barriers to Hydrogen Delivery - Existing steel pipelines are subject to hydrogen embrittlement and are inadequate for widespread H 2 distribution. - Current joining technology (welding) for steel pipelines is major cost factor and can exacerbate hydrogen embrittlement issues.

200

Passive load follow analysis of the STAR-LM and STAR-H2 systems.  

E-Print Network (OSTI)

A steady-state model for the calculation of temperature and pressure distributions, and heat and work balance for the STAR-LM and the STAR-H2 systems was developed. The STAR-LM system is designed for electricity production and consists of the lead cooled reactor on natural circulation and the supercritical carbon dioxide Brayton cycle. The STAR-H2 system uses the same reactor which is coupled to the hydrogen production plant, the Brayton cycle, and the water desalination plant. The Brayton cycle produces electricity for the on-site needs. Realistic modules for each system component were developed. The model also performs design calculations for the turbine and compressors for the CO2 Brayton cycle. The model was used to optimize the performance of the entire system as well as every system component. The size of each component was calculated. For the 400 MWt reactor power the STAR-LM produces 174.4 MWe (44% efficiency) and the STAR-H2 system produces 7450 kg H2/hr. The steady state model was used to conduct quasi-static passive load follow analysis. The control strategy was developed for each system; no control action on the reactor is required. As a main safety criterion, the peak cladding temperature is used. It was demonstrated that this temperature remains below the safety limit during both normal operation and load follow.

Moisseytsev, Anton

2003-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "h2 hydrogen hungary" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


201

Improvements to Hydrogen Delivery Scenario Analysis Model (HDSAM) and Results  

NLE Websites -- All DOE Office Websites (Extended Search)

to Hydrogen to Hydrogen Delivery Scenario Analysis Model (HDSAM) and Results May 8, 2007 Amgad Elgowainy Argonne National Laboratory Comparison of Delivery Pathways- V1.0 vs. V2.0 2 1 3 i delivery by a Loading, the plant Version 1.0 character zed components for 3 pathways with single mode. conditioning and storage are at or adjacent to Liquid Hydrogen (LH) Truck H2 Production 100 or 1500 kg/d Compressed H2 (CH) Truck H2 Production 3 or 7 kpsi 100 or 1500 kg/d H2 Production Gaseous H2 Pipeline 100 or 1500 kg/d HDSAM V1.0 Estimates Delivery Cost for 3 Pathways 4 H2 H2 1 2 3 H2 Distribution and Ci I. Liquid H2 Distribution: HDSAM V2.0 Simulates Nine Pathways Production Production LH Terminal LH Terminal Production LH Terminal Transmission Transmission Distribution

202

Hydrogen Safety Knowledge Tools  

Science Conference Proceedings (OSTI)

With hydrogen gaining acceptance as an energy carrier for fuel cell vehicles and stationary fuel cell applications, a new community of hydrogen users is emerging and continues to grow. With this growth has come the need to spread the word about safe practices for handling, storing, and using hydrogen. Like all energy forms, hydrogen can be used safely through proper procedures and engineering techniques. However, hydrogen involves a degree of risk that must be respected, and the importance of avoiding complacency or haste in the safe conduct and performance of projects involving hydrogen cannot be overstated. To encourage and promote the safe use of hydrogen, Pacific Northwest National Laboratory (PNNL) has developed and continues to enhance two software tools in support of the U.S. Department of Energy's Fuel Cell Technologies Program: the Hydrogen Safety Best Practices online manual (www.H2BestPractices.org) and the Hydrogen Incident Reporting and Lessons Learned database (www.H2Incidents.org).

Fassbender, Linda L.

2011-01-31T23:59:59.000Z

203

Statespecific study of hydrogen desorption from Si(100)(21): Comparison of disilane and hydrogen adsorption  

E-Print Network (OSTI)

Statespecific study of hydrogen desorption from Si(100)(2?1): Comparison of disilane and hydrogen://avspublications.org/jvsta/about/rights_and_permissions #12;State-specific study of hydrogen desorption from Si(1 OO)~(2 X 1): Comparison of disilane with either disilane (SizH6 ) or atomic hydrogen. Adsorption of disilane with subsequent desorption of H2

Zare, Richard N.

204

Fuel Cell Technologies Office: Critical Updates to the Hydrogen Analysis  

NLE Websites -- All DOE Office Websites (Extended Search)

Critical Updates to Critical Updates to the Hydrogen Analysis Production Model (H2A v3) (Text Version) to someone by E-mail Share Fuel Cell Technologies Office: Critical Updates to the Hydrogen Analysis Production Model (H2A v3) (Text Version) on Facebook Tweet about Fuel Cell Technologies Office: Critical Updates to the Hydrogen Analysis Production Model (H2A v3) (Text Version) on Twitter Bookmark Fuel Cell Technologies Office: Critical Updates to the Hydrogen Analysis Production Model (H2A v3) (Text Version) on Google Bookmark Fuel Cell Technologies Office: Critical Updates to the Hydrogen Analysis Production Model (H2A v3) (Text Version) on Delicious Rank Fuel Cell Technologies Office: Critical Updates to the Hydrogen Analysis Production Model (H2A v3) (Text Version) on Digg

205

Phase Transformations of Micron-Sized H2SO4/H2O Particles Studied by Infrared Spectroscopy  

E-Print Network (OSTI)

indicate that solid phase forma- tion from STS does not occur until the ice frost point is reached.2Phase Transformations of Micron-Sized H2SO4/H2O Particles Studied by Infrared Spectroscopy Scot T been developed for investigations of phase transitions of micron-sized particles through infrared

206

An Energy Overview of the Republic of Hungary  

DOE Green Energy (OSTI)

The DOE Office of Fossil Energy is maintaining a web site that is meant to provide useful business- and energy-related information about countries and regions of the world for exporters, project developers, and researchers. The site consists of more than 130 country pages (organized into seven different world regions), with each country page having its own set of links to information sources about that country. There are also more than 30 Country Energy Overviews at the web site -- each of these is a comprehensive review of a specific country's entire energy situation, including sections on Energy Policy, Oil, Natural Gas, Coal, Hydroelectric/Renewables, Nuclear Power, Energy Transmission Infrastructure, Electricity, Electric Industry Overview, Environmental Activities, Privatization, Trade, and Economic Situation. The specific country highlighted in this Country Energy Overview is Hungary. The site is designed to be dynamic. Updates to the overviews will be made as need and resources permit.

anon.

2003-10-20T23:59:59.000Z

207

Fuel Cell Tri-Generation System Case Study using the H2A Stationary Model  

NLE Websites -- All DOE Office Websites (Extended Search)

Fuel Cell Tri-Generation System Case Fuel Cell Tri-Generation System Case Study using the H2A Stationary Model Darlene Steward/ Mike Penev National Renewable Energy Laboratory Integrated Stationary Power and Transportation Workshop Phoenix, Arizona October 27, 2008 National Renewable Energy Laboratory Innovation for Our Energy Future 2 Introduction Goal: Develop a cost analysis tool that will be flexible and comprehensive enough to realistically analyze a wide variety of potential combined heat and power/hydrogen production scenarios Approach: Rely on the H2A discounted cash flow methodology to develop a new stationary systems model With the help of industry partners, develop and analyze a range of realistic case studies for tri-generation systems. National Renewable Energy Laboratory Innovation for Our Energy Future

208

Atmospheric CO2> Record from In Situ Measurements at K-Puszta, Hungary  

NLE Websites -- All DOE Office Websites (Extended Search)

K-Puszta, Hungary K-Puszta, Hungary Atmospheric CO2 Record from In Situ Measurements at K-Puszta, Hungary graphics Graphics data Data Investigator László Haszpra Hungarian Meteorological Service, Institute for Atmospheric Physics, Department for Analysis of Atmospheric Environment, H-1675, P.O. Box 39, Budapest, Hungary Period of Record 1981-1997 Location The K-puszta regional background air pollution monitoring station was established in a clearing in a mixed forest on the Hungarian Great Plain in the middle of the Carpathian Basin. K-puszta is as free from direct pollution as possible in the highly industrialized, densely populated central Europe. Because of the growing vegetation, the station was moved in September 1993 to a larger clearing, also at the same elevation,

209

Transportation Fuel Basics - Hydrogen | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Transportation Fuel Basics - Hydrogen Transportation Fuel Basics - Hydrogen Transportation Fuel Basics - Hydrogen August 19, 2013 - 5:45pm Addthis Hydrogen (H2) is a potentially emissions-free alternative fuel that can be produced from domestic resources. Although not widely used today as a transportation fuel, government and industry research and development are working toward the goal of clean, economical, and safe hydrogen production and hydrogen-powered fuel cell vehicles. Hydrogen is the simplest and most abundant element in the universe. However, it is rarely found alone in nature. Hydrogen is locked up in enormous quantities in water (H2O), hydrocarbons (such as methane, CH4), and other organic matter. Efficiently producing hydrogen from these compounds is one of the challenges of using hydrogen as a fuel. Currently,

210

Transportation Fuel Basics - Hydrogen | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Transportation Fuel Basics - Hydrogen Transportation Fuel Basics - Hydrogen Transportation Fuel Basics - Hydrogen August 19, 2013 - 5:45pm Addthis Hydrogen (H2) is a potentially emissions-free alternative fuel that can be produced from domestic resources. Although not widely used today as a transportation fuel, government and industry research and development are working toward the goal of clean, economical, and safe hydrogen production and hydrogen-powered fuel cell vehicles. Hydrogen is the simplest and most abundant element in the universe. However, it is rarely found alone in nature. Hydrogen is locked up in enormous quantities in water (H2O), hydrocarbons (such as methane, CH4), and other organic matter. Efficiently producing hydrogen from these compounds is one of the challenges of using hydrogen as a fuel. Currently,

211

www.praxair.com H2 Storage and  

E-Print Network (OSTI)

Station Schedule Overview Project Milestones Planned Start Oct 2002 Actual Start (Contracting Delay) Jan Simulated Commercial Environment Integrated, Aesthetic Packaging Low-Profile Tighter Footprint #12;LAX H2

212

Overview of Indian Hydrogen Program and Key Safety Issues of...  

NLE Websites -- All DOE Office Websites (Extended Search)

Hydrogen Energy Road Map - Initiatives - Target 2020 : GIFT - Programme in India - CNG - H 2 Programme - Partnership - Technology Development - Concerns & Challenges * Key...

213

DOE Hydrogen and Fuel Cells Program: Systems Analysis  

NLE Websites -- All DOE Office Websites (Extended Search)

Repository H2A Analysis Hydrogen Analysis Resource Center Scenario Analysis Well-to-Wheels Analysis Systems Integration U.S. Department of Energy Search help Home > Systems...

214

Hybrid Molten Bed Gasifier for High Hydrogen Syngas Production  

NLE Websites -- All DOE Office Websites (Extended Search)

Hybrid Molten Bed Gasifier for High Hydrogen (H2) Syngas Production Gas Technology Institute (GTI) Project Number: FE0012122 Project Description The research team will evaluate and...

215

DOE Hydrogen and Fuel Cells Program: 2009 Annual Progress Report...  

NLE Websites -- All DOE Office Websites (Extended Search)

(H2E3) (PDF 510 KB), Richard Engel, Humboldt State University Hydrogen Education Curriculum Path at Michigan Technological University (PDF 192 KB), Jason Keith, Michigan...

216

The H2 Double-Slit Experiment: Where Quantum and Classical Physics Meet  

NLE Websites -- All DOE Office Websites (Extended Search)

The H2 Double-Slit Experiment: Where Quantum and Classical Physics Meet Print The H2 Double-Slit Experiment: Where Quantum and Classical Physics Meet Print For the first time, an international research team carried out a double-slit experiment in H2, the smallest and simplest molecule. Thomas Young's original experiment in 1803 passed light through two slits cut in a solid thin plate. In the groundbreaking experiment performed at ALS Beamlines 4.0 and 11.0.1, the researchers used electrons instead of light and the nuclei of the hydrogen molecule as the slits. The experiment revealed that only one "observing" electron suffices to induce the emergence of classical properties such as loss of coherence. Double photoionization of H2. Left: Circularly polarized light comes from the top. All angular distributions are in the plane perpendicular to the photon propagation vector: Φe-mol is the angle of the fast electron's trajectory to the molecular axis; Φe-e is the angle between both electron trajectories. Center: Photoionization by circularly polarized light launches a coherent spherical photoelectron wave at each nucleus of the molecule; the light propagates into the plane. Right: Measured electron angular distribution Φe-mol of the faster electron (E1) from double photoionization of H2 by circularly polarized light. The orientation of the molecule is horizontal. Light propagates into the plane of the figure, the molecule is fixed ±10° within the plane shown, Eϒ = 240 eV, and the energy of the slow electron E2 = 0 to 5 eV, resulting in E1 = 185 to 190 eV.

217

The H2 Double-Slit Experiment: Where Quantum and Classical Physics Meet  

NLE Websites -- All DOE Office Websites (Extended Search)

The H2 Double-Slit Experiment: Where Quantum and Classical Physics Meet Print The H2 Double-Slit Experiment: Where Quantum and Classical Physics Meet Print For the first time, an international research team carried out a double-slit experiment in H2, the smallest and simplest molecule. Thomas Young's original experiment in 1803 passed light through two slits cut in a solid thin plate. In the groundbreaking experiment performed at ALS Beamlines 4.0 and 11.0.1, the researchers used electrons instead of light and the nuclei of the hydrogen molecule as the slits. The experiment revealed that only one "observing" electron suffices to induce the emergence of classical properties such as loss of coherence. Double photoionization of H2. Left: Circularly polarized light comes from the top. All angular distributions are in the plane perpendicular to the photon propagation vector: Φe-mol is the angle of the fast electron's trajectory to the molecular axis; Φe-e is the angle between both electron trajectories. Center: Photoionization by circularly polarized light launches a coherent spherical photoelectron wave at each nucleus of the molecule; the light propagates into the plane. Right: Measured electron angular distribution Φe-mol of the faster electron (E1) from double photoionization of H2 by circularly polarized light. The orientation of the molecule is horizontal. Light propagates into the plane of the figure, the molecule is fixed ±10° within the plane shown, Eϒ = 240 eV, and the energy of the slow electron E2 = 0 to 5 eV, resulting in E1 = 185 to 190 eV.

218

The H2 Double-Slit Experiment: Where Quantum and Classical Physics Meet  

NLE Websites -- All DOE Office Websites (Extended Search)

The H2 Double-Slit Experiment: Where Quantum and Classical Physics Meet Print The H2 Double-Slit Experiment: Where Quantum and Classical Physics Meet Print For the first time, an international research team carried out a double-slit experiment in H2, the smallest and simplest molecule. Thomas Young's original experiment in 1803 passed light through two slits cut in a solid thin plate. In the groundbreaking experiment performed at ALS Beamlines 4.0 and 11.0.1, the researchers used electrons instead of light and the nuclei of the hydrogen molecule as the slits. The experiment revealed that only one "observing" electron suffices to induce the emergence of classical properties such as loss of coherence. Double photoionization of H2. Left: Circularly polarized light comes from the top. All angular distributions are in the plane perpendicular to the photon propagation vector: Φe-mol is the angle of the fast electron's trajectory to the molecular axis; Φe-e is the angle between both electron trajectories. Center: Photoionization by circularly polarized light launches a coherent spherical photoelectron wave at each nucleus of the molecule; the light propagates into the plane. Right: Measured electron angular distribution Φe-mol of the faster electron (E1) from double photoionization of H2 by circularly polarized light. The orientation of the molecule is horizontal. Light propagates into the plane of the figure, the molecule is fixed ±10° within the plane shown, Eϒ = 240 eV, and the energy of the slow electron E2 = 0 to 5 eV, resulting in E1 = 185 to 190 eV.

219

Hydrogen Delivery Technologies and Systems - Pipeline Transmission of Hydrogen  

NLE Websites -- All DOE Office Websites (Extended Search)

Technologies and Technologies and Systems Pipeline Transmission of Hydrogen Strategic Initiatives for Hydrogen Delivery Workshop May 7- 8, 2003 U.S. Department of Energy ■ Hydrogen, Fuel Cells, and Infrastructure Technologies Program Pipeline Transmission of Hydrogen --- 2 Copyright: Design & Operation Standards Relevant Design and Operating Standards ANSI/ASME B31.8 49 CFR 192 CGA H 2 Pipeline Standard (in development) Pipeline Transmission of Hydrogen --- 3 Copyright: Future H 2 Infrastructure Wind Powered Electrolytic Separation Local Reformers Users Stationary Power Sources Vehicle Fueling Stations Distance from Source to User (Miles) <500 0-5 <2,000 <50 Off-peak Hydroelectric Powered Electrolytic Separation Large Reformers (scale economies) Pipeline Transmission of Hydrogen

220

DOE Hydrogen and Fuel Cells Program: 2009 Annual Progress Report - Hydrogen  

NLE Websites -- All DOE Office Websites (Extended Search)

Hydrogen Delivery Hydrogen Delivery Printable Version 2009 Annual Progress Report III. Hydrogen Delivery This section of the 2009 Progress Report for the DOE Hydrogen Program focuses on hydrogen delivery. Each technical report is available as an individual Adobe Acrobat PDF. Download Adobe Reader. Hydrogen Delivery Program Element Introduction, Monterey Gardiner, U.S. Department of Energy (PDF 67 KB ) Hydrogen Delivery Infrastructure Analysis (PDF 267 KB), Marianne Mintz, Argonne National Laboratory H2A Delivery Components Module (PDF 315 KB), Olga Sozinova, National Renewable Energy Laboratory Hydrogen Regional Infrastructure Program in Pennsylvania (PDF 1.3 MB), Eileen Schmura, Concurrent Technologies Corporation Oil-Free Centrifugal Hydrogen Compression Technology Demonstration

Note: This page contains sample records for the topic "h2 hydrogen hungary" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


221

Questions and Issues on Hydrogen Pipelines: Pipeline Transmission of Hydrogen  

NLE Websites -- All DOE Office Websites (Extended Search)

Issues on Hydrogen Issues on Hydrogen Pipelines Pipeline Transmission of Hydrogen Doe Hydrogen Pipeline Working Group Meeting August 31, 2005 Pipeline Transmission of Hydrogen --- 2 Copyright: Air Liquide Pipeline Inventory Breakdown by gases 0 500 1000 1500 2000 2500 3000 3500 KM N2 2956 km O2 3447 km H2 1736 km CO/Syngas 61 km TOTAL 8200 km Pipeline Inventory 2004 Asie Pacific America Europe Pipeline Transmission of Hydrogen --- 3 Copyright: Pipeline Transmission of Hydrogen --- 4 Copyright: 3. Special structures River Crossings (culvert): 6 (Rhein, Ruhr, Rhein-Herne-Kanal) River crossing (on bridge): 1 (Rhein-Herne-Kanal) Motorway Crossings: 26 Overground Pipelines: approx 21 km Pipeline Transmission of Hydrogen --- 5 Copyright: 5. Mining areas Pipeline Transmission of Hydrogen --- 6 Copyright: France & Netherlands

222

Toward new solid and liquid phase systems for the containment, transport and delivery of hydrogen  

NLE Websites -- All DOE Office Websites (Extended Search)

new solid and liquid phase systems new solid and liquid phase systems for the containment, transport and delivery of hydrogen By Guido P. Pez Hydrogen Energy Infrastructure for Fuel Cell Vehicle Transportation Scenario A: Distributed H 2 from a Large Scale Plant (150-230 tonne/day) Large Scale H 2 Plant (300-800 psi H 2 ) H 2 Buffer Storage Tube Trailer Liquid H 2 Truck H 2 Pipeline Multi-vehicle filling stations Feedstock: N. gas, Coal, Biomass Pet. Coke, Resids. Future: Carbon sequestration Storage: Underground well? Output: Depends on the vehicle's H 2 storage technology Currently H 2 up to >6000 psi for 5000 psi tanks Scenario B: Hydrogen by a small scale reforming of pipeline natural gas and compression Natural Gas Pipeline Reformer Liquid H 2 Backup Compressor H 2 (>6000 psig) H 2 Production: 100-400 kg/day; 4-5Kg H

223

Microsoft PowerPoint - Nano Sep Membrane for H2 Flux brief.ppt  

NLE Websites -- All DOE Office Websites (Extended Search)

Membrane separations are a key enabling technology for energy conversion devices. Ionic transport Membrane separations are a key enabling technology for energy conversion devices. Ionic transport membranes must have both proton and electronic conductivity to function as hydrogen separation membranes without an external power supply. In addition, membrane materials electronic conductivity or material crystal stability should not be greatly affected by the presence of contaminant gases such as CO 2 , CO, CH 4 , and H 2 O that are associated with steam reforming/water gas shift reactions. SRNL is managed and operated for the U.S. Department of Energy by Savannah River Nuclear Solutions, LLC glance at a  improved electronic conduction  suitable for hydrogen separation  separates contaminant gases  patent pending Background SRNL-L5210-2011-00005

224

Assessment of existing H2/O2 chemical reaction mechanisms at reheat gas turbine conditions  

E-Print Network (OSTI)

This paper provides detailed comparisons of chemical reaction mechanisms of H2 applicable at high preheat temperatures and pressures relevant to gas turbine and particularly Alstom's reheat gas turbine conditions. It is shown that the available reaction mechanisms exhibit large differences in several important elementary reaction coefficients. The reaction mechanisms are assessed by comparing ignition delay and laminar flame speed results obtained from CHEMKIN with available data, however, the amount of data at these conditions is scarce and a recommended candidate among the mechanisms can presently not be selected. Generally, the results with the GRI-Mech and Leeds mechanisms deviate from the Davis, Li, O'Conaire, Konnov and San Diego mechanisms, but there are also significant deviations between the latter five mechanisms that altogether are better adapted to hydrogen. The differences in ignition delay times between the dedicated hydrogen mechanisms (O'Conaire, Li and Konnov) range from approximately a maxim...

Weydahl, Torleif; Seljeskog, Morten; Haugen, Nils Erland L

2011-01-01T23:59:59.000Z

225

Comparison of Idealized and Real-World City Station Citing Models for Hydrogen Distribution  

E-Print Network (OSTI)

integration team for the National Hydrogen Roadmap in 2002.in the H2A, a group of hydrogen analysts convened by theframework for analyzing hydrogen systems, and serves on the

Yang, Christopher; Nicholas, Michael A; Ogden, Joan M

2006-01-01T23:59:59.000Z

226

Hydrogen as a Transportation Fuel | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

as a Transportation Fuel Hydrogen as a Transportation Fuel August 19, 2013 - 5:45pm Addthis Hydrogen (H2) is a potentially emissions-free alternative fuel that can be produced from...

227

Direct Hydrogenation Magnesium Boride to Magnesium Borohydride: Demonstration of >11 Weight Percent Reversible Hydrogen Storage  

DOE Green Energy (OSTI)

We here for the first time demonstrate direct hydrogenation of magnesium boride, MgB2, to magnesium borohydride, Mg(BH4)2 at 900 bar H2-pressures and 400C. Upon 14.8wt% hydrogen release, the end-decomposition product of Mg(BH4)2 is MgB2, thus, this is a unique reversible path here obtaining >11wt% H2 which implies promise for a fully reversible hydrogen storage material.

Severa, Godwin; Ronnebro, Ewa; Jensen, Craig M.

2010-11-16T23:59:59.000Z

228

WinDS-H2 Model and Analysis (Presentation)  

DOE Green Energy (OSTI)

A PowerPoint presentation given as part of the 2005 Hydrogen Program Review, May 23-26, 2005, in Washington, D.C.

Short, W.; Blair, N.; Heimiller, D.; Parks, K.

2005-05-01T23:59:59.000Z

229

DOE Hydrogen and Fuel Cells Program: 2010 Annual Progress Report - Hydrogen  

NLE Websites -- All DOE Office Websites (Extended Search)

Hydrogen Delivery Hydrogen Delivery Printable Version 2010 Annual Progress Report III. Hydrogen Delivery This section of the 2010 Progress Report for the DOE Hydrogen Program focuses on hydrogen delivery. Each technical report is available as an individual Adobe Acrobat PDF. Hydrogen Delivery Sub-Program Overview, Sara Dillich, DOE Hydrogen Delivery Infrastructure Analysis, Marianne Mintz, Argonne National Laboratory H2A Delivery Analysis and H2A Delivery Components Model, Olga Sozinova, National Renewable Energy Laboratory Oil-Free Centrifugal Hydrogen Compression Technology Demonstration, Hooshang Heshmat Development of a Centrifugal Hydrogen Pipeline Gas Compressor, Francis Di Bella, Concepts NREC Advanced Hydrogen Liquefaction Process, Joseph Schwartz, Praxair, Inc. Active Magnetic Regenerative Liquefier, John Barclay, Prometheus

230

Hydrogen from Biomass - State of the Art and Research Challenges  

NLE Websites -- All DOE Office Websites (Extended Search)

IEA/H2/TR-02/001 IEA/H2/TR-02/001 Hydrogen from Biomass State of the Art and Research Challenges Thomas A. Milne, Carolyn C. Elam and Robert J. Evans National Renewable Energy Laboratory Golden, CO USA A Report for the International Energy Agency Agreement on the Production and Utilization of Hydrogen Task 16, Hydrogen from Carbon-Containing Materials Table of Contents Preface.......................................................................................................... i Executive Summary.......................................................................................... 1 Routes to Hydrogen from Biomass....................................................................... 5 Introduction................................................................................................ 5

231

DOE Hydrogen Analysis Repository: Distributed Hydrogen Fueling Systems  

NLE Websites -- All DOE Office Websites (Extended Search)

Distributed Hydrogen Fueling Systems Analysis Distributed Hydrogen Fueling Systems Analysis Project Summary Full Title: H2 Production Infrastructure Analysis - Task 1: Distributed Hydrogen Fueling Systems Analysis Project ID: 78 Principal Investigator: Brian James Keywords: Hydrogen infrastructure; costs; methanol; hydrogen fueling Purpose As the DOE considers both direct hydrogen and reformer-based fuel cell vehicles, it is vital to have a clear perspective of the relative infrastructure costs to supply each prospective fuel (gasoline, methanol, or hydrogen). Consequently, this analysis compares these infrastructure costs as well as the cost to remove sulfur from gasoline (as will most likely be required for use in fuel cell systems) and the cost implications for several hydrogen tank filling options. This analysis supports Analysis

232

SO3/H2SO4 Measurement Techniques and Instrumentation  

Science Conference Proceedings (OSTI)

Sulfur trioxide (SO3) is the principal condensable from coal-fired boilers. Measuring SO3 and its reaction product sulfuric acid (H2SO4), poses one of the more difficult challenges in emission measurement. Typically, when quantifying pollutants in flue gases, the pollutant is measured in a single phase, either as a gas, liquid or solid. The reaction of SO3 with water vapor to form gaseous H2SO4 is a dynamic process dependent upon the concentration of the reactants, flue gas temperature, and to a lesser e...

2008-12-16T23:59:59.000Z

233

Electrochemical Hydrogen Compression (EHC)  

NLE Websites -- All DOE Office Websites (Extended Search)

Electrochemical Hydrogen Compression (EHC) Pinakin Patel and Ludwig Lipp Presentation at DOE Hydrogen Compression, Storage and Dispensing Workshop at ANL Argonne, IL March 20, 2013 2 * Experience with all fuel cells - MCFC, SOFC, PEM, PAFC, etc. * Excellent progress in commercialization of MCFC technology (>300 MW installed + backlog, >50 MW per year production rate, 11 MW single site unit in Korea, >1.5 billion kWh produced) * Unique internal reforming technology for high efficiency fuel cells FCE Overview $- $2,000 $4,000 $6,000 $8,000 $10,000 2003 2007 2011 mid-term Product cost per kW 3 H 2 Peak and Back- up Power Fuel Cell Cars DFC ® Power Plant (Electricity + Hydrogen) Solid State Hydrogen Separator (EHS) Solid State Hydrogen

234

Water-Steel Canister Interaction and H2 Gas Pressure Buildup in aNuclear Waste Repository  

DOE Green Energy (OSTI)

Corrosion of steel canisters, stored in a repository forspent fuel and high-level waste, leads to hydrogen gas generation in thebackfilled emplacement tunnels, which may significantly affect long-termrepository safety. Previous modeling studies used a constant H2generation rate. However, iron corrosion and H2 generation rates varywith time, depending on factors such as water chemistry, wateravailability, and water contact area. To account for these factors andfeedback mechanisms, we developed a chemistry model related to ironcorrosion, coupled with two-phase (liquid and gas) flow phenomena thatare driven by gas pressure buildup and water consumption. Resultsindicate that if H2 generation rates are dynamically calculated based ona chemistry model, the degree and extent of gas pressure buildup are muchsmaller compared to a simulation in which the coupling between flow andreactive transport mechansism is neglected.

Xu, Tianfu; Senger, Rainer; Finstele, Stefan

2007-01-02T23:59:59.000Z

235

DOE Hydrogen Analysis Repository: Economic Analysis of Hydrogen Energy  

NLE Websites -- All DOE Office Websites (Extended Search)

Economic Analysis of Hydrogen Energy Station Concepts Economic Analysis of Hydrogen Energy Station Concepts Project Summary Full Title: Economic Analysis of Hydrogen Energy Station Concepts: Are 'H2E-Stations' a Key Link to a Hydrogen Fuel Cell Vehicle Infrastructure? Project ID: 244 Principal Investigator: Timothy Lipman Brief Description: This project expands on a previously conducted, preliminary H2E-Station analysis in a number of important directions. Purpose This analysis, based on an integrated Excel/MATLAB/Simulink fuel cell system cost and performance model called CETEEM, includes the following: several energy station designs based on different sizes of fuel cell systems and hydrogen storage and delivery systems for service station and office building settings; characterization of a typical year of operation

236

Kinetically Relevant Steps and H2/D2 Isotope Effects in Fischer-Tropsch Synthesis on Fe and Co Catalysts  

SciTech Connect

H2/D2 isotope effects on Fischer-Tropsch synthesis (FTS) rate and selectivity are examined here by combining measured values on Fe and Co at conditions leading to high C5+ yields with theoretical estimates on model Fe(110) and Co(0001) surfaces with high coverages of chemisorbed CO (CO*). Inverse isotope effects (rH/rD < 1) are observed on Co and Fe catalysts as a result of compensating thermodynamic (H2 dissociation to H*; H* addition to CO* species to form HCO*) and kinetic (H* reaction with HCO*) isotope effects. These isotopic effects and their rigorous mechanistic interpretation confirm the prevalence of H-assisted CO dissociation routes on both Fe and Co catalysts, instead of unassisted pathways that would lead to similar rates with H2 and D2 reactants. The small contributions from unassisted pathways to CO conversion rates on Fe are indeed independent of the dihydrogen isotope, as is also the case for the rates of primary reactions that form CO2 as the sole oxygen rejection route in unassisted CO dissociation paths. Isotopic effects on the selectivity to C5+ and CH4 products are small, and D2 leads to a more paraffinic product than does H2, apparently because it leads to preference for chain termination via hydrogen addition over abstraction. These results are consistent with FTS pathways limited by H-assisted CO dissociation on both Fe and Co and illustrate the importance of thermodynamic contributions to inverse isotope effects for reactions involving quasi-equilibrated H2 dissociation and the subsequent addition of H* in hydrogenation catalysis, as illustrated here by theory and experiment for the specific case of CO hydrogenation.

Ojeda, Manuel; Li, Anwu; Nabar, Rahul P.; Nilekar, Anand U.; Mavrikakis, Manos; Iglesia, Enrique

2010-11-25T23:59:59.000Z

237

ORIGINAL ARTICLE Chemolithotrophic acetogenic H2/CO2 utilization  

E-Print Network (OSTI)

(Hamilton no. 79476). The eluent was 0.016 N H2SO4 at a flow rate of 0.4 ml min 1 . Biogas analysis was performed on 1-ml aliquots of headspace gas collected with an N2-flushed airtight syringe. The biogas

Lovley, Derek

238

Rensselaer Experiment Finds Water Molecules Are Always H2O  

E-Print Network (OSTI)

and engineering physics program and professor of physics at Ben-Gurion University. "The strong neutron scattering formula from H2O to H1.5O. The effect was revealed through a strong neutron scattering anomaly, which they claimed to have observed. To address the problem, Rensselaer-Ben-Gurion researchers used neutrons

Danon, Yaron

239

Hydrogen Storage DOI: 10.1002/anie.200801163  

E-Print Network (OSTI)

dissociation energy · hydrogen storage · metal­ H2 binding · metal­ organic frameworks · microporous materialsHydrogen Storage DOI: 10.1002/anie.200801163 Hydrogen Storage in Microporous Metal endeavor. Many reports have dealt with the use of hydrogen as a fuel and its storage in different solid

240

PRODUCTION OF HYDROGEN BY SUPERADIABATIC DECOMPOSITION OF HYDROGEN SULFIDE  

E-Print Network (OSTI)

and the membrane systems selected, additional equipment such as knockout drums, coalescing filters, and guard beds far and modeling predictions is quite reasonable. Methane 20% H2S/ 80%N2 Air MFC MFC MFC Proceedings of the 2002 U.S. DOE Hydrogen Program Review NREL/CP-610-32405 #12;MFC-3 MFC-1 MFC-2 N2 H2S O2

Note: This page contains sample records for the topic "h2 hydrogen hungary" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


241

Hungary-Joint Programme on Resource Efficient and Cleaner Production (RECP)  

Open Energy Info (EERE)

Hungary-Joint Programme on Resource Efficient and Cleaner Production (RECP) Hungary-Joint Programme on Resource Efficient and Cleaner Production (RECP) in Developing and Transition Countries Jump to: navigation, search Name Hungary-Joint Programme on Resource Efficient and Cleaner Production (RECP) in Developing and Transition Countries Agency/Company /Organization United Nations Industrial Development Organization (UNIDO), United Nations Environment Programme (UNEP) Partner Ministry of Energy, Ministry of Planning, Ministry of Finance, Ministry of Environment, Ministry of Industry Sector Climate, Energy, Water Focus Area Renewable Energy, Non-renewable Energy, Agriculture, Economic Development, Goods and Materials, Industry, People and Policy, Water Conservation Topics Background analysis, Co-benefits assessment, - Environmental and Biodiversity, - Health, - Macroeconomic, Finance, GHG inventory, Implementation, Low emission development planning, -LEDS, -NAMA, -Roadmap, -TNA, Market analysis, Pathways analysis, Policies/deployment programs, Resource assessment, Technology characterizations

242

Doped H(2)-Filled RF Cavities for Muon Beam Cooling  

DOE Green Energy (OSTI)

RF cavities pressurized with hydrogen gas may provide effective muon beam ionization cooling needed for muon colliders. Recent 805 MHz test cell studies reported below include the first use of SF{sub 6} dopant to reduce the effects of the electrons that will be produced by the ionization cooling process in hydrogen or helium. Measurements of maximum gradient in the Paschen region are compared to a simulation model for a 0.01% SF{sub 6} doping of hydrogen. The observed good agreement of the model with the measurements is a prerequisite to the investigation of other dopants.

Yonehara, K.; Chung, M.; Jansson, A.; Hu, M.; Moretti, A.; Popovic, M.; /Fermilab; Alsharo'a, M.; Johnson, R.P.; Neubauer, M.; Sah, R.; /Muons Inc., Batavia; Rose, D.V.; /Voss Sci., Albuquerque

2009-05-01T23:59:59.000Z

243

Independent verification of the saturation hydrogen uptake in MOF-177 and establishment of a benchmark for hydrogen adsorption in  

E-Print Network (OSTI)

the targets for on-board hydrogen storage systems set by the US Department of Energy (DOE) for use of hydrogen prior to evaluating H2 storage capacities. Reproducibility of hydrogen adsorption experiments for hydrogen storage applications.1­8 This is due to the availability of a large number of well

Yaghi, Omar M.

244

LLNL input to FY94 hydrogen annual report  

DOE Green Energy (OSTI)

This report summarizes the FY 1994 progress made in hydrogen research at the Lawrence Livermore National Laboratory. Research programs covered include: Technical and Economic Assessment of the Transport and Storage of Hydrogen; Research and Development of an Optimized Hydrogen-Fueled Internal Combustion Engine; Hydrogen Storage in Engineered Microspheres; Synthesis, Characterization and Modeling of Carbon Aerogels for Hydrogen Storage; Chemical Kinetic Modeling of H2 Applications; and, Municipal Solid Waste to Hydrogen.

Schock, R.N.; Smith, J.R.; Rambach, G.; Pekala, R.W.; Westbrook, C.K.; Richardson, J.H.

1994-12-16T23:59:59.000Z

245

HyPro: Modeling the Hydrogen Transition  

NLE Websites -- All DOE Office Websites (Extended Search)

and exercise it to determine the key drivers of the hydrogen transition. 2005 Develop a production database from H2A and an economic cost model to determine and compare...

246

Small Fuel Cell Systems with Hydrogen Storage  

NLE Websites -- All DOE Office Websites (Extended Search)

eere.energy.gov H 2 and FC Technologies Manufacturing R&D Workshop Renaissance Hotel, Washington, DC August 11-12, 2011 Small Fuel Cell Systems with Hydrogen Storage Ned T....

247

Green Energy: Advancing Bio-Hydrogen (Presentation)  

DOE Green Energy (OSTI)

Developing a model of metabolism linked to H2 production in green algae. Develop tools for parameter discovery and optimization at organism level and advance knowledge of hydrogen-producting photosynthetic organisms.

Alber, D.

2007-07-01T23:59:59.000Z

248

Hydrogen Delivery Options and Issues  

NLE Websites -- All DOE Office Websites (Extended Search)

Options and Issues Options and Issues Mark Paster DOE August, 2006 Scope * From the end point of central or distributed production (300 psi H2) to and including the dispenser at a refueling station or stationary power site - GH2 Pipelines and Trucks, LH2 Trucks, Carriers <$1.00/kg of Hydrogen by 2017 Hydrogen Delivery H2 Delivery Current Status * Technology - GH2 Tube Trailers: ~340 kg, ~2600 psi - LH2 Trucks: ~3900 kg - Pipelines: up to 1500 psi (~630 miles in the U.S.) - Refueling Site Operations (compression, storage dispensing): Demonstration projects * Cost (Does NOT include refueling Site Operations) - Trucks: $4-$12/kg - Pipeline: <$2/kg H2A Analysis * Consistent, comparable, transparent approach to hydrogen production and delivery cost analysis * Excel spreadsheet tools with common economic

249

Hydrogen Permeability and Integrity of Hydrogen Delivery Pipelines  

NLE Websites -- All DOE Office Websites (Extended Search)

Permeability and Permeability and Integrity of Hydrogen Delivery Pipelines Z. Feng*, L.M. Anovitz*, J.G. Blencoe*, S. Babu*, and P. S. Korinko** * Oak Ridge National Laboratory * Savannah River National Laboratory August 30, 2005 2 OAK RIDGE NATIONAL LABORATORY U. S. DEPARTMENT OF ENERGY Partners and Collaborators * Oak Ridge National Laboratory - Project lead * Savannah River National Laboratory - Low H 2 pressure permeation test * Edison Welding Institute - Pipeline materials * Lincoln Electric Company - Welding electrode and weld materials for pipelines * Trans Canada - Commercial welding of pipelines and industry expectations * DOE Pipeline Working Group and Tech Team activities - FRP Hydrogen Pipelines - Materials Solutions for Hydrogen Delivery in Pipelines - Natural Gas Pipelines for Hydrogen Use

250

Analyzing Natural Gas Based Hydrogen Infrastructure - Optimizing Transitions from Distributed to Centralized H2 Production  

E-Print Network (OSTI)

an estimate of the pipeline length or truck travel distancesdistribution. The pipeline length (L pipeline ) is a powerthe associated costs. The pipeline length is specified as a

Yang, Christopher; Ogden, Joan M

2005-01-01T23:59:59.000Z

251

Optimized Pathways for Regional H2 Infrastructure Transitions: The Least-Cost Hydrogen for Southern California  

E-Print Network (OSTI)

minimizing the total pipeline length. A truck route matrix (2055-2059. The total pipeline length serving 2376 refuelingestimates a total pipeline length of 18,998 miles serving

Lin, Zhenhong; Chen, Chien-Wei; Fan, Yueyue; Ogden, Joan M.

2008-01-01T23:59:59.000Z

252

Optimized Pathways for Regional H2 Infrastructure Transitions: The Least-Cost Hydrogen for Southern California  

E-Print Network (OSTI)

production technologies including biomass gasification,coal gasification, natural gas reforming, and waterby biomass central gasification and then coal gasification

Lin, Zhenhong; Chen, Chien-Wei; Fan, Yueyue; Ogden, Joan M.

2008-01-01T23:59:59.000Z

253

Optimized Pathways for Regional H2 Infrastructure Transitions: The Least-Cost Hydrogen for Southern California  

E-Print Network (OSTI)

ind. natural gas coal biomass Price 11.92 /kWh 9.55 /kWhprices (Table 2), which are assumed to be constant over time. For biomass,

Lin, Zhenhong; Chen, Chien-Wei; Fan, Yueyue; Ogden, Joan M.

2008-01-01T23:59:59.000Z

254

IONICALLY CONDUCTING MEMBRANES FOR HYDROGEN PRODUCTION AND  

E-Print Network (OSTI)

SEQUESTRATION Oxygen Transport Membrane Hydrogen Transport Membrane Natural Gas Coal Biomass Syngas CO/H2 WGS H2 operating experience. #12;ELTRON RESEARCH INC. Syngas Production Rate ­ 60 mL/min cm2 @ 900°C Equivalent O2 Operational Experience Under High Pressure Differential SUMMARY OF ELTRON OXYGEN TRANSPORT MEMBRANE SYNGAS

255

Kinetic Isotope Effects for the Reactions of Muonic Helium and Muonium with H2  

DOE Green Energy (OSTI)

The neutral muonic helium atom may be regarded as the heaviest isotope of the hydrogen atom, with a mass of ~4.1 amu (4.1H), because the negative muon screens one proton charge. We report the reaction rate of 4.1H with 1H2 to produce 4.1H1H + 1H at 295 to 500 K. The experimental rate constants are compared with the predictions of accurate quantum mechanical dynamics calculations carried out on an accurate Born-Huang potential energy surface and with previously measured rate constants of 0.11H (where 0.11H is shorthand for muonium). Kinetic isotope effects can be compared for the unprecedentedly large mass ratio of 36. The agreement with accurate quantum dynamics is quantitative at 500 K, and variational transition state theory is used to interpret the extremely low (large inverse) kinetic isotope effects in the 10-4 to 10-2 range.

Fleming, Donald G.; Arseneau, Donald J.; Sukhorukov, Oleksandr; Brewer, Jess H.; Mielke, Steven L.; Schatz, George C.; Garrett, Bruce C.; Peterson, Kirk A.; Truhlar, Donald G.

2011-01-28T23:59:59.000Z

256

HIGH-TEMPERATURE CO-ELECTROLYSIS OF H2O AND CO2 FOR SYNGAS PRODUCTION  

DOE Green Energy (OSTI)

Worldwide, the demand for light hydrocarbon fuels like gasoline and diesel oil is increasing. To satisfy this demand, oil companies have begun to utilize oil deposits of lower hydrogen content (an example is the Athabasca Oil Sands). Additionally, the higher contents of sulfur and nitrogen of these resources requires processes such as hydrotreating to meet environmental requirements. In the mean time, with the price of oil currently over $50 / barrel, synthetically-derived hydrocarbon fuels (synfuels) have become economical. Synfuels are typically produced from syngas hydrogen (H2) and carbon monoxide (CO) -- using the Fischer-Tropsch process, discovered by Germany before World War II. South Africa has used synfuels to power a significant number of their buses, trucks, and taxicabs. The Idaho National Laboratory (INL), in conjunction with Ceramatec Inc. (Salt Lake City, USA) has been researching for several years the use of solid-oxide fuel cell technology to electrolyze steam for large-scale nuclear-powered hydrogen production. Now, an experimental research project is underway at the INL to investigate the feasibility of producing syngas by simultaneously electrolyzing at high-temperature steam and carbon dioxide (CO2) using solid oxide fuel cell technology. The syngas can then be used for synthetic fuel production. This program is a combination of experimental and computational activities. Since the solid oxide electrolyte material is a conductor of oxygen ions, CO can be produced by electrolyzing CO2 sequestered from some greenhouse gas-emitting process. Under certain conditions, however, CO can further electrolyze to produce carbon, which can then deposit on cell surfaces and reduce cell performance. The understanding of the co-electrolysis of steam and CO2 is also complicated by the competing water-gas shift reaction. Results of experiments and calculations to date of CO2 and CO2/H2O electrolysis will be presented and discussed. These will include electrolysis performance at various temperatures, gas mixtures, and electrical settings. Product gas compositions, as measured via a gas analyser, and their relationship to conversion efficiencies will be presented. These measurements will be compared to predictions obtained from chemical equilibrium computer codes. Better understanding of the feasibility of producing syngas using high-temperature electrolysis will initiate the systematic investigation of nuclear-powered synfuel production as a bridge to the future hydrogen economy and ultimate independence from foreign energy resources.

Stoots, C.M.

2006-11-01T23:59:59.000Z

257

Ionically Conducting Membranes for Hydrogen Production and Separation  

NLE Websites -- All DOE Office Websites (Extended Search)

IONICALLY CONDUCTING MEMBRANES IONICALLY CONDUCTING MEMBRANES FOR HYDROGEN PRODUCTION AND SEPARATION Presented by Tony Sammells Eltron Research Inc. Boulder, Colorado www.eltronresearch.com Presented at DOE Hydrogen Separations Workshop Arlington, Virginia September 8, 2004 ELTRON RESEARCH INC. TO BE DISCUSSED * Membranes for Hydrogen Production - Compositions - Feedstocks - Performance - Key Technical Hurdles * Membranes for Hydrogen Separation - Compositions - Ex Situ vs. In Situ WGS - Performance - Key Technical Hurdles ELTRON RESEARCH INC. OVERALL SCHEME FOR CONVERTING FEEDSTOCK TO HYDROGEN WITH SIMULTANEOUS CARBON DIOXIDE SEQUESTRATION Oxygen Transport Membrane Hydrogen Transport Membrane Natural Gas Coal Biomass Syngas CO/H 2 WGS H 2 O CO 2 /H 2 1618afs.dsf H 2 CO 2 ELTRON RESEARCH INC. INCENTIVES FOR OXYGEN TRANSPORT MEMBRANES FOR

258

Hydrogen Sensor  

NLE Websites -- All DOE Office Websites (Extended Search)

sensor for detectingquantitating hydrogen and hydrogen isotopes includes a sampling line and a microplasma generator that excites hydrogen from a gas sample and produces...

259

NREL Improves System Efficiency and Increases Energy Transfer with Wind2H2 Project, Enabling Reduced Cost Electrolysis Production (Fact Sheet)  

DOE Green Energy (OSTI)

This fact sheet describes NREL's accomplishments in improving energy transfer within a wind turbine-based hydrogen production system. Work was performed by the Wind2H2 Project team at the National Wind Technology Center in partnership with Xcel Energy.

Not Available

2010-11-01T23:59:59.000Z

260

Electron Energy for H2 + in the Ground State  

Science Conference Proceedings (OSTI)

The 1s? g state of the hydrogen molecular ion is investigated. The result is given as a table in which the electronic energy for a two?Coulomb center is given in seven decimal places for values of internuclear separation R up to 20 in steps of 0.05 a.u.

H. Wind

1965-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "h2 hydrogen hungary" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


261

Energy ForesightNordic H2 Building the Nordic Research  

E-Print Network (OSTI)

and demonstration of hydrogen as an energy carrier and use the hydro- gen surplus from the petrochemical industry 800 2 260 700 5 699 227 Breakdown of energy Crude oil % 42 26 25 35 31 Natural gas % 23 11 ­ 4 Hydro countries over the next 25 years are hydro power, geothermal, biomass and wind energy. Most of the Nordic

262

Final Technical Report for the Period September 2002 through September 2005; H2-MHR Pre-Conceptual Design Report: SI-Based Plant; H2-MHR Pre-Conceptual Design Report: HTE-Based Plant  

DOE Green Energy (OSTI)

For electricity and hydrogen production, an advanced reactor technology receiving considerable international interest is a modular, passively-safe version of the high-temperature, gas-cooled reactor, known in the U.S. as the Modular Helium Reactor (MHR), which operates at a power level of 600 MW(t). For electricity production, the MHR operates with an outlet helium temperature of 850 C to drive a direct, Brayton-cycle power-conversion system with a thermal-to-electrical conversion efficiency of 48 percent. This concept is referred to as the Gas Turbine MHR (GT-MHR). For hydrogen production, both electricity and process heat from the MHR are used to produce hydrogen. This concept is referred to as the H2-MHR. This report provides pre-conceptual design descriptions of full-scale, nth-of-a-kind H2 MHR plants based on thermochemical water splitting using the Sulfur-Iodine process and High-Temperature Electrolysis.

M. Richards; A. Shenoy; L. Brown; R. Buckingham; E. Harvego; K. Peddicord; M. Reza; J. Coupey

2006-04-19T23:59:59.000Z

263

Hydrogen Publications  

Science Conference Proceedings (OSTI)

Thermophysical Properties of Hydrogen. ... These articles, of interest to the hydrogen community, can be viewed by clicking on the title. ...

264

Properties Hydrogen  

Science Conference Proceedings (OSTI)

Thermophysical Properties of Hydrogen. PROPERTIES, ... For information on a PC database that includes hydrogen property information click here. ...

265

Development of Molecular Electrocatalysts for CO2 Reduction and H2 Production/Oxidation  

DOE Green Energy (OSTI)

The conversion of solar energy to fuels in both natural and artificial photosynthesis requires components for both light harvesting and catalysis. The light-harvesting component generates the electrochemical potentials required to drive fuel-generating reactions that would otherwise be thermodynamically uphill. This review focuses on work from our laboratories on developing molecular electrocatalysts for CO2 reduction and for hydrogen production. A true analog of natural photosynthesis will require the ability to capture CO2 from the atmosphere and reduce it to a useful fuel. Work in our laboratories has focused on both aspects of this problem. Organic compounds such as quinones and inorganic metal complexes can serve as redox active CO2 carriers for concentrating CO2. Catalysts for CO2 reduction to form CO have also been developed based on a [Pd(triphosphine)(solvent)]2+ platform. A required feature for catalytic activity is the presence of a weakly coordinating solvent molecule that can dissociate during the catalytic cycle and provide a vacant coordination site for binding water and assisting C-O bond cleavage. Participation of a second metal in CO2 binding also appears to be required for achieving very active catalysts as suggested by structures of [NiFe] CO dehydrogenase enzymes and the results of studies on complexes containing two [Pd(triphosphine)(solvent)]2+ units. Molecular electrocatalysts for H2 production and oxidation based on [Ni(diphosphine)2]2+ complexes are also described. These catalysts require the optimization of both first and second coordination spheres similar to that of the palladium CO2 reduction catalysts. In this case, structural features of the first coordination sphere can be used to optimize the hydride acceptor ability of nickel needed to achieve heterolytic cleavage of H2. The second coordination sphere can be used to incorporate pendant bases that assist in a number of important functions including H2 binding, H2 cleavage, and the transfer of protons between nickel and solution. These pendant bases or proton relays are likely to be important in the design of catalysts for a wide range of fuel production and fuel utilization reactions involving multiple electron and proton transfer steps. The work described in this review has been supported by the Chemical Sciences program of the Office of Basic Energy Sciences of the Department of Energy. The Pacific Northwest National Laboratory is operated by Battelle for the U.S. Department of Energy.

Rakowski DuBois, Mary; DuBois, Daniel L.

2009-12-15T23:59:59.000Z

266

A novel and cost-effective hydrogen sulfide removal technology using tire derived rubber particles.  

E-Print Network (OSTI)

??Hydrogen sulfide (H2S) is corrosive, toxic, and produced during the anaerobic digestion process at wastewater treatment plants. Tire derived rubber particles (TDRPTM) and other rubber (more)

Siefers, Andrea Mary

2010-01-01T23:59:59.000Z

267

Hydrogen & Fuel Cells - Hydrogen - Hydrogen Storage  

NLE Websites -- All DOE Office Websites (Extended Search)

University of Chicago team. On-board hydrogen storage is critical to the development of future high energy efficiency transportation technologies, such as hydrogen-powered fuel...

268

CSSX Radiolytic H2 Generation ("Thermolysis") -- Final Report  

Science Conference Proceedings (OSTI)

The purpose of this work was to determine the radiolytic hydrogen gas yield of irradiated CSSX solvent at several temperatures. The active ingredient of this solvent is calix[4]arene-bis-(t-octylbenzo) crown-6, a calixarene crown ether used for cesium complexation. The solvent also contains 1-(2,2,3,3-tetrafluoropropoxy)-3-(4-sec-butylphenoxy)-2-propanol, a fluorinated alcoholic solvent modifer used to improve the solubility of the calixarene and its cesium complex in the Isopar L diluent. Isopar L is a branch-chain alkane and comprises most of the mixture. Samples of this solution were irradiated to various absorbed ?-ray doses in gas-tight sample containers, which were then sampled for hydrogen gas content. The methods are described below.

Bruce J. Mincher

2009-01-01T23:59:59.000Z

269

J33. CSSC Cellulosic H2 2009 (High Resolution $$$).pdf  

NLE Websites -- All DOE Office Websites (Extended Search)

Reprint Reprint © Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim Supported by  WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim Table of Contents X. Ye, Y. Wang, R. C. Hopkins, M. W. W. Adams, B. R. Evans, J. R. Mielenz, Y.-H. P. Zhang* 149 - 152 Spontaneous High-Yield Production of Hydrogen from Cellulosic Materials and Water Catalyzed by Enzyme Cocktails Cocktail reception: Biohydrogen is pro- duced in high yield from cellulosic ma- terials and water in a one-pot process catalyzed by up to 14 enzymes and one coenzyme. This assembly of enzymes re- sults in non-natural catabolic pathways. These spontaneous reactions are con- ducted under modest reaction condi- tions (32 8C and atmospheric pressure). DOI: 10.1002/cssc.200900017 Spontaneous High-Yield Production of Hydrogen from Cellulosic Materials and Water Catalyzed by Enzyme Cocktails Xinhao Ye, [a] Yiran Wang, [a] Robert

270

Chemistry of H2O and HF Under Extreme Conditions  

DOE Green Energy (OSTI)

The predicted high pressure superionic phases of water and HF are investigated via ab initio molecular dynamics. These phases could potentially be achieved through either static compression with heating or through shock compression. We study water at densities of 2.0-3.0 g/cc (34-115 GPa) along the 2000K isotherm.We find that extremely rapid (superionic) diffusion of protons occurs in a fluid phase at pressures between 34 and 58 GPa. A transition to a stable body-centered cubic (bcc) O lattice with superionic proton conductivity is observed between 70 and 75 GPa, a much higher pressure than suggested in prior work. We find that all molecular species at pressures greater than 75 GPa are too short lived to be classified as bound states. Up to 95 GPa, we find a solid superionic phase characterized by covalent O-H bonding. Above 95 GPa, a transient network phase is found characterized by symmetric O-H hydrogen bonding with nearly 50% covalent character. Ab initio molecular dynamics simulations of HF were conducted at densities of 1.8-4.0 g/cc along the 900 K isotherm. According to our simulations, a unique form of (symmetric) hydrogen bonding could play a significant role in superionic conduction. Our work shows that superionic phases could be more prevalent in hydrogen bonded systems than previously thought, such as HCl and HBr.

Fried, L; Goldman, N; Kuo, I W; Mundy, C

2005-11-28T23:59:59.000Z

271

Laboratory Investigations of a Low-swirl Injector withH2 and CH4 at Gas  

NLE Websites -- All DOE Office Websites (Extended Search)

Investigations of a Low-swirl Injector withH2 and CH4 at Gas Investigations of a Low-swirl Injector withH2 and CH4 at Gas Turbine Conditions Title Laboratory Investigations of a Low-swirl Injector withH2 and CH4 at Gas Turbine Conditions Publication Type Journal Article Year of Publication 2009 Authors Cheng, Robert K., David Littlejohn, P. A. Strakey, and T. Sidwell Journal Science Direct Abstract Laboratory experiments were conducted at gas turbine and atmospheric conditions (0.101 < P0 < 0.810 MPa, 298 < T0 < 580K, 18 < U0 < 60 m/s) to characterize the overall behaviors and emissions of the turbulent premixed flames produced by a low-swirl injector (LSI) for gas turbines. The objective was to investigate the effects of hydrogen on the combustion processes for the adaptation to gas turbines in an IGCC power plant. The experiments at high pressures and temperatures showed that the LSI can operate with 100% H2 at up to f = 0.5 and has a slightly higher flashback tolerance than an idealized high-swirl design. With increasing H2 fuel concentration, the lifted LSI flame begins to shift closer to the exit and eventually attaches to the nozzle rim and assumes a different shape at 100% H2. The STP experiments show the same phenomena. The analysis of velocity data from PIV shows that the stabilization mechanism of the LSI remains unchanged up to 60% H2. The change in the flame position with increasing H2 concentration is attributed to the increase in the turbulent flame speed. The NOx emissions show a log linear dependency on the adiabatic flame temperature and the concentrations are similar to those obtained previously in a LSI prototype developed for natural gas. These results show that the LSI exhibits the same overall behaviors at STP and at gas turbine conditions. Such insight will be useful for scaling the LSI to operate at IGCC conditions.

272

NREL Wind to Hydrogen Project: Renewable Hydrogen Production for Energy Storage & Transportation  

NLE Websites -- All DOE Office Websites (Extended Search)

Wind to Hydrogen Project: Wind to Hydrogen Project: Renewable Hydrogen Production for Energy Storage & Transportation NREL Hydrogen Technologies and Systems Center Todd Ramsden, Kevin Harrison, Darlene Steward November 16, 2009 NREL/PR-560-47432 NREL is a national laboratory of the U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy, operated by the Alliance for Sustainable Energy, LLC. NREL Wind2H2 RD&D Project * The National Renewable Energy Laboratory in partnership with Xcel Energy and DOE has designed, operates, and continues to perform testing on the wind-to-hydrogen (Wind2H2) project at the National Wind Technology Center in Boulder * The Wind2H2 project integrates wind turbines, PV arrays and electrolyzers to produce from renewable energy

273

Accurate Born-Oppenheimer potential for H$_2$  

E-Print Network (OSTI)

The Born-Oppenheimer potential for the $^1\\Sigma_g^+$ state of H$_2$ is obtained in the range of 0.1 -- 20 au, using analytic formulas and recursion relations for two-center two-electron integrals with exponential functions. For small distances James-Coolidge basis is used, while for large distances the Heitler-London functions with arbitrary polynomial in electron variables. In the whole range of internuclear distance about $10^{-15}$ precision is achieved, as an example at the equilibrium distance $r=1.4011$ au the Born-Oppenheimer potential amounts to $-1.174\\,475\\,931\\,400\\,216\\,7(3)$. Results for the exchange energy verify the formula of Herring and Flicker [Phys. Rev. {\\bf 134}, A362 (1964)] for the large internuclear distance asymptotics. The presented analytic approach to Slater integrals opens a window for the high precision calculations in an arbitrary diatomic molecule.

Pachucki, Krzysztof

2010-01-01T23:59:59.000Z

274

Potential Carriers and Approaches for Hydrogen Delivery  

NLE Websites -- All DOE Office Websites (Extended Search)

Carriers and Potential Carriers and Carriers and Potential Carriers and Approaches for Hydrogen Approaches for Hydrogen Delivery Delivery TIAX LLC 1601 S. D Anza Blvd. Cupertino CA, 95014 Tel. 408-517-1550 Reference: D0348 © 2007 TIAX LLC Hydrogen Delivery Analysis Meeting May 8-9, 2007 Columbia, Maryland Matthew Hooks Stefan Unnasch Stephen Lasher 1 Novel Hydrogen Carriers Project Overview Cost Density (wt. and vol.) Energy requirements Forecourt storage requirements Codes and standards H H 2 2 Plant, Liquefier, LH Plant, Liquefier, LH 2 2 storage storage H H 2 2 Tube Trailer Tube Trailer LH 2 2 Tank/ Fueling Station LH Tank/ Fueling Station The efficient delivery of hydrogen is necessary for the adoption of hydrogen as a transportation fuel, but numerous challenges must be met. 2 "Conventional" delivery options are limited by volumetric density,

275

Alternative Fuels Data Center: Hydrogen Basics  

Alternative Fuels and Advanced Vehicles Data Center (EERE)

Basics to Basics to someone by E-mail Share Alternative Fuels Data Center: Hydrogen Basics on Facebook Tweet about Alternative Fuels Data Center: Hydrogen Basics on Twitter Bookmark Alternative Fuels Data Center: Hydrogen Basics on Google Bookmark Alternative Fuels Data Center: Hydrogen Basics on Delicious Rank Alternative Fuels Data Center: Hydrogen Basics on Digg Find More places to share Alternative Fuels Data Center: Hydrogen Basics on AddThis.com... More in this section... Hydrogen Basics Production & Distribution Research & Development Related Links Benefits & Considerations Stations Vehicles Laws & Incentives Hydrogen Basics Hydrogen (H2) is a potentially emissions-free alternative fuel that can be produced from domestic resources. Although not widely used today as a

276

California Hydrogen Highway Network October 3, 2007  

NLE Websites -- All DOE Office Websites (Extended Search)

Hydrogen Highway Hydrogen Highway Network April 3, 2008 California Air Resources Board California Blueprint Plan * Phased approach to infrastructure implementation * Environmental goals * Shared risk CaH2Net Background * Governor's Executive Order, S-7-04 formed the CaH2Net in April 2004 * A Blueprint Plan, May 2005 * Legislative Authority - SB76, $6.5 Million, stations, vehicles, support - Budget Act 2006, $6.5 Million, ZBuses, stations - Budget Act 2007, $6 Million, stations, support The State's Contribution * Vehicles * Stations * CaH2Net Membership * Hydrogen Fuel Quality Standard * Environmental Standards for Hydrogen * Public outreach and education Over 90% of Californians Breathe Unhealthy Air at Times 0-5 Days >100 Days 6-50 Days 50-100 Days Days Over State 24-Hour PM10 Standard

277

Detroit Commuter Hydrogen Project  

Science Conference Proceedings (OSTI)

This project was undertaken to demonstrate the viability of using hydrogen as a fuel in an internal combustion engine vehicle for use as a part of a mass transit system. The advantages of hydrogen as a fuel include renew-ability, minimal environmental impact on air quality and the environment, and potential to reduce dependence on foreign energy sources for the transportation sector. Recognizing the potential for the hydrogen fuel concept, the Southeast Michigan Congress of Governments (SEMCOG) determined to consider it in the study of a proposed regional mass transit rail system for southeast Michigan. SEMCOG wanted to evaluate the feasibility of using hydrogen fueled internal combustion engine (H2ICE) vehicles in shuttle buses to connect the Detroit Metro Airport to a proposed, nearby rail station. Shuttle buses are in current use on the airport for passenger parking and inter-terminal transport. This duty cycle is well suited to the application of hydrogen fuel at this time because of the ability to re-fuel vehicles at a single nearby facility, overcoming the challenge of restricted fuel availability in the undeveloped hydrogen fuel infrastructure. A cooperative agreement between SEMCOG and the DOE was initiated and two H2ICE buses were placed in regular passenger service on March 29, 2009 and operated for six months in regular passenger service. The buses were developed and built by the Ford Motor Company. Wayne County Airport Authority provided the location for the demonstration with the airport transportation contractor, Metro Cars Inc. operating the buses. The buses were built on Ford E450 chassis and incorporated a modified a 6.8L V-10 engine with specially designed supercharger, fuel rails and injectors among other sophisticated control systems. Up to 30 kg of on-board gaseous hydrogen were stored in a modular six tank, 350 bar (5000 psi) system to provide a 150 mile driving range. The bus chassis and body were configured to carry nine passengers with luggage. By collecting fuel use data for the two H2ICE buses, with both written driver logs and onboard telemetry devices, and for two conventional propane-gasoline powered buses in the same service, comparisons of operating efficiency and maintenance requirements were completed. Public opinion about the concept of hydrogen fuel was sampled with a rider survey throughout the demonstration. The demonstration was very effective in adding to the understanding of the application of hydrogen as a transportation fuel. The two 9 passenger H2ICE buses accumulated nearly 50,000 miles and carried 14,285 passengers. Data indicated the H2ICE bus fuel economy to be 9.4 miles/ gallon of gasoline equivalent (m/GGE) compared to the 10 passenger propane-gasoline bus average of 9.8 m/GGE over 32,400 miles. The 23- passenger bus averaged 7.4 m/GGE over 40,700 miles. Rider feedback from 1050 on-board survey cards was overwhelmingly positive with 99.6% indicating they would ride again on a hydrogen powered vehicle. Minimal maintenance was required for theses buses during the demonstration project, but a longer duration demonstration would be required to more adequately assess this aspect of the concept.

Brooks, Jerry; Prebo, Brendan

2010-07-31T23:59:59.000Z

278

BIOMASS FOR HYDROGEN AND OTHER TRANSPORT FUELS -POTENTIALS, LIMITATIONS & COSTS  

E-Print Network (OSTI)

BIOMASS FOR HYDROGEN AND OTHER TRANSPORT FUELS - POTENTIALS, LIMITATIONS & COSTS Senior scientist - "Towards Hydrogen Society" ·biomass resources - potentials, limits ·biomass carbon cycle ·biomass for hydrogen - as compared to other H2- sources and to other biomass paths #12;BIOMASS - THE CARBON CYCLE

279

Hydrogen Pathway Cost Distributions  

NLE Websites -- All DOE Office Websites (Extended Search)

Pathway Cost Distributions Pathway Cost Distributions Jim Uihlein Fuel Pathways Integration Tech Team January 25, 2006 2 Outline * Pathway-Independent Cost Goal * Cost Distribution Objective * Overview * H2A Influence * Approach * Implementation * Results * Discussion Process * Summary 3 Hydrogen R&D Cost Goal * Goal is pathway independent * Developed through a well defined, transparent process * Consumer fueling costs are equivalent or less on a cents per mile basis * Evolved gasoline ICE and gasoline-electric hybrids are benchmarks * R&D guidance provided in two forms * Evolved gasoline ICE defines a threshold hydrogen cost used to screen or eliminate options which can't show ability to meet target * Gasoline-electric hybrid defines a lower hydrogen cost used to prioritize projects for resource allocation

280

An Assessment of the Near-Term Costs of Hydrogen Refueling Stations and Station Components  

E-Print Network (OSTI)

Costs CNG = compressed natural gas CPUC = California PublicNatural Gas Reformer Reformate Hydrogen H2 Purifier High -pressure hydrogen compressor CompressedNatural gas Air Burner air blower Steam methane reformer (SMR) & pressure shift adsorption reactor (PSA) Compressed

Weinert, Jonathan X.; Lipman, Timothy

2006-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "h2 hydrogen hungary" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


281

An Assessment of the Near-Term Costs of Hydrogen Refueling Stations and Station Components  

E-Print Network (OSTI)

Costs CNG = compressed natural gas CPUC = California PublicNatural Gas Reformer Reformate Hydrogen H2 Purifier High-pressure hydrogen compressor CompressedNatural gas Air Burner air blower Steam methane reformer (SMR) & pressure shift adsorption reactor (PSA) Compressed

Lipman, T E; Weinert, Jonathan X.

2006-01-01T23:59:59.000Z

282

Complete Photo-Induced Breakup of the H2 Molecule as a Probe ofMolecular Electron Correlation  

DOE Green Energy (OSTI)

Despite decades of progress in quantum mechanics, electron correlation effects are still only partially understood. Experiments in which both electrons are ejected from an oriented hydrogen molecule by absorption of a single photon have recently demonstrated a puzzling phenomenon: The ejection pattern of the electrons depends sensitively on the bond distance between the two nuclei as they vibrate in their ground state. Here we report a complete numerical solution of the Schrodinger equation for the double photoionization of H2. The results suggest that the distribution of photoelectrons emitted from aligned molecules reflects electron correlation effects that are purely molecular in origin.

Vanroose, Wim; Martin, Fernando; Rescigno, Thomas N.; McCurdy, C.William

2005-11-17T23:59:59.000Z

283

A THEORETICAL INVESTIGATION OF RADIOLYTIC H2 GENERATION FROM SOLIDS  

DOE Green Energy (OSTI)

Hydrogen generation from materials in nuclear materials storage is of critical interest due to the potential for pressurization and/or flammability issues. Studies have focused on aqueous systems or those with minor amounts of physisorbed water, since conventional knowledge identifies the radiolytic decomposition of water as the source of H{sub 2} gas. Furthermore, the approach to characterize gas generation is typically strictly empirical, relying on determination of G-values from which production in systems is estimated. Interestingly, exploratory work at SRNL1 on gamma exposure to fully-dried solids with chemically-bound water that are typical of those produced on aluminium-clad nuclear fuel in reactor and post-discharge storage has shown a profound production of hydrogen (as the sole gaseous species) from fully dried boehmite ({gamma}-AlOOH or Al{sub 2}O{sub 3} {center_dot} H{sub 2}O) powders and no observable hydrogen from gibbsite ({gamma}-Al(OH){sub 3} or Al{sub 2}O{sub 3} {center_dot} 3H{sub 2}O) under gamma irradiation from cobalt-60. This observation is significant in that gibbsite is known to thermally decompose at 80 C whereas boehmite is stable to 400 C. Radiation damage can have various effects on solids, including heating, bond breaking, and rearrangements in the bonding structure. For example, a molecule can be ionized resulting in the generation of free electrons which can, in turn, ionize another molecule. Alternately, reactive radical species such as {lg_bullet}OH or cation species may be formed, which can go on to change bonding structures.

Westbrook, M.; Sindelar, R.; Fisher, D.

2012-02-01T23:59:59.000Z

284

Microsoft Word - H2 National Release 2.doc  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

CONTACT: FOR IMMEDIATE RELEASE CONTACT: FOR IMMEDIATE RELEASE Tom Welch, 202/586-5806 Tuesday, October 19, 2004 Hydrogen Research Projects Selected for $75 Million in DOE Awards Team Lead Additional Team Members Total DOE Amount* Solar Electrochemical Water Splitting (Photoelectrochemical) * GE Global Research (Niskayuna, NY) * Caltech $3,000,042 * University of California-Santa Barbara (Santa Barbara, CA) * National Renewable Energy Laboratory (NREL), GE Global Research $894,000 * MVSystems Inc. (Golden, CO) * University of Hawaii , Intematix Corporation, Southwest Research Institute, Duquesne University, NREL, University of California- Santa Barbara $3,271,630 * Midwest Optoelectronics * (Toledo, OH) * University of Toledo, NREL,

285

Examining hydrogen transitions.  

DOE Green Energy (OSTI)

This report describes the results of an effort to identify key analytic issues associated with modeling a transition to hydrogen as a fuel for light duty vehicles, and using insights gained from this effort to suggest ways to improve ongoing modeling efforts. The study reported on here examined multiple hydrogen scenarios reported in the literature, identified modeling issues associated with those scenario analyses, and examined three DOE-sponsored hydrogen transition models in the context of those modeling issues. The three hydrogen transition models are HyTrans (contractor: Oak Ridge National Laboratory), MARKAL/DOE* (Brookhaven National Laboratory), and NEMS-H2 (OnLocation, Inc). The goals of these models are (1) to help DOE improve its R&D effort by identifying key technology and other roadblocks to a transition and testing its technical program goals to determine whether they are likely to lead to the market success of hydrogen technologies, (2) to evaluate alternative policies to promote a transition, and (3) to estimate the costs and benefits of alternative pathways to hydrogen development.

Plotkin, S. E.; Energy Systems

2007-03-01T23:59:59.000Z

286

Florida Hydrogen Initiative  

SciTech Connect

The Florida Hydrogen Initiative (FHI) was a research, development and demonstration hydrogen and fuel cell program. The FHI program objectives were to develop Florida?s hydrogen and fuel cell infrastructure and to assist DOE in its hydrogen and fuel cell activities The FHI program funded 12 RD&D projects as follows: Hydrogen Refueling Infrastructure and Rental Car Strategies -- L. Lines, Rollins College This project analyzes strategies for Florida's early stage adaptation of hydrogen-powered public transportation. In particular, the report investigates urban and statewide network of refueling stations and the feasibility of establishing a hydrogen rental-car fleet based in Orlando. Methanol Fuel Cell Vehicle Charging Station at Florida Atlantic University ? M. Fuchs, EnerFuel, Inc. The project objectives were to design, and demonstrate a 10 kWnet proton exchange membrane fuel cell stationary power plant operating on methanol, to achieve an electrical energy efficiency of 32% and to demonstrate transient response time of less than 3 milliseconds. Assessment of Public Understanding of the Hydrogen Economy Through Science Center Exhibits, J. Newman, Orlando Science Center The project objective was to design and build an interactive Science Center exhibit called: ?H2Now: the Great Hydrogen Xchange?. On-site Reformation of Diesel Fuel for Hydrogen Fueling Station Applications ? A. Raissi, Florida Solar Energy Center This project developed an on-demand forecourt hydrogen production technology by catalytically converting high-sulfur hydrocarbon fuels to an essentially sulfur-free gas. The removal of sulfur from reformate is critical since most catalysts used for the steam reformation have limited sulfur tolerance. Chemochromic Hydrogen Leak Detectors for Safety Monitoring ? N. Mohajeri and N. Muradov, Florida Solar Energy Center This project developed and demonstrated a cost-effective and highly selective chemochromic (visual) hydrogen leak detector for safety monitoring at any facility engaged in transport, handling and use of hydrogen. Development of High Efficiency Low Cost Electrocatalysts for Hydrogen Production and PEM Fuel Cell Applications ? M. Rodgers, Florida Solar Energy Center The objective of this project was to decrease platinum usage in fuel cells by conducting experiments to improve catalyst activity while lowering platinum loading through pulse electrodeposition. Optimum values of several variables during electrodeposition were selected to achieve the highest electrode performance, which was related to catalyst morphology. Understanding Mechanical and Chemical Durability of Fuel Cell Membrane Electrode Assemblies ? D. Slattery, Florida Solar Energy Center The objective of this project was to increase the knowledge base of the degradation mechanisms for membranes used in proton exchange membrane fuel cells. The results show the addition of ceria (cerium oxide) has given durability improvements by reducing fluoride emissions by an order of magnitude during an accelerated durability test. Production of Low-Cost Hydrogen from Biowaste (HyBrTec?) ? R. Parker, SRT Group, Inc., Miami, FL This project developed a hydrogen bromide (HyBrTec?) process which produces hydrogen bromide from wet-cellulosic waste and co-produces carbon dioxide. Eelectrolysis dissociates hydrogen bromide producing recyclable bromine and hydrogen. A demonstration reactor and electrolysis vessel was designed, built and operated. Development of a Low-Cost and High-Efficiency 500 W Portable PEMFC System ? J. Zheng, Florida State University, H. Chen, Bing Energy, Inc. The objectives of this project were to develop a new catalyst structures comprised of highly conductive buckypaper and Pt catalyst nanoparticles coated on its surface and to demonstrate fuel cell efficiency improvement and durability and cell cost reductions in the buckypaper based electrodes. Development of an Interdisciplinary Hydrogen and Fuel Cell Technology Academic Program ? J. Politano, Florida Institute of Technology, Melbourne, FL This project developed a hydrogen and fuel cel

Block, David L

2013-06-30T23:59:59.000Z

287

Mass Production Cost Estimation for Direct H2 PEM Fuel Cell Systems for Automotive Applications: 2010 Update  

NLE Websites -- All DOE Office Websites (Extended Search)

Mass Production Cost Estimation for Direct H 2 PEM Fuel Cell Systems for Automotive Applications: 2010 Update September 30, 2010 Prepared by: Brian D. James, Jeffrey A. Kalinoski & Kevin N. Baum One Virginia Square 3601 Wilson Boulevard, Suite 650 Arlington, Virginia 22201 703-243-3383 Prepared under: Subcontract No. AGB-0-40628-01 to the National Renewable Energy Laboratory (NREL) under Prime Contract No. DE-AC36-08GO28308 to the U.S. Department of Energy Foreword Energy security is fundamental to the mission of the U.S. Department of Energy (DOE) and hydrogen fuel cell vehicles have the potential to eliminate the need for oil in the transportation sector. Fuel cell vehicles can operate on hydrogen, which can be produced domestically, emitting less greenhouse gasses and pollutants than

288

H2 Safety Snapshot, Vol. 1, Issue 1, April 2009  

NLE Websites -- All DOE Office Websites (Extended Search)

suggestions? Comments? suggestions? Comments? Contact us at snapshot@pnl.gov A safety knowledge tool from Vol. 1, Issue 1, Apr. 2009 CApTurIng a Wealth of Knowledge Sharing Best Practices - an online manual and website that share the extensive experience of the safe handling and use of hydrogen in a wide variety of applications. Best practices have been compiled from a variety of resources, many of which are in the public domain and can be downloaded directly from the "References" section, which contains a bibliography, glossary, and acronyms. Best practices are organized in hierarchical categories, including multiple topics under Safety Practices, Design, and Operations. New content has been recently added to cover key topics with regard to laboratory safety. A search capability is provided

289

Chemical Looping Reforming for H2, CO and Syngas Production  

SciTech Connect

We demonstrate that the extension of CLC onto oxidants beyond air opens new, highly efficient pathways for production of ultra-pure hydrogen, activation of CO{sub 2} via reduction to CO, and are currently working on production of syngas using nanocomposite Fe-BHA. CLR hold great potential due to fuel flexibility and CO{sub 2} capture. Chemical Looping Combustion (CLC) is a novel clean combustion technology which offers an elegant and highly efficient route for fossil fuel combustion. In CLC, combustion of a fuel is broken down into two spatially separated steps. In the reducer, the oxygen carrier (typically a metal) supplies the stoichiometric oxygen required for fuel combustion. In the oxidizer, the oxygen-depleted carrier is then re-oxidized with air. After condensation of steam from the effluent of the reducer, a high-pressure, high-purity sequestration-ready CO{sub 2} stream is obtained. In the present study, we apply the CLC principle to the production of high-purity H{sub 2}, CO, and syngas streams by replacing air with steam and/or CO{sub 2} as oxidant, respectively. Using H{sub 2}O as oxidant, pure hydrogen streams can be obtained. Similarly, using CO{sub 2} as oxidant, CO is obtained, thus opening an efficient route for CO{sub 2} utilization. Using steam and CO{sub 2} mixtures for carrier oxidation should thus allow production of syngas with adjustable CO:H{sub 2} ratios. Overall, these processes result in Chemical Looping Reforming (CLR), i.e. the net overall reaction is the steam and/or dry reforming of the respective fuel.

Bhavsar,Saurabh; Najera,Michelle; Solunke,Rahul; Veser,Gtz

2001-06-06T23:59:59.000Z

290

Hydrogen Technology Research at SRNL  

DOE Green Energy (OSTI)

The Savannah River National Laboratory (SRNL) is a U.S. Department of Energy research and development laboratory located at the Savannah River Site (SRS) near Aiken, South Carolina. SRNL has over 50 years of experience in developing and applying hydrogen technology, both through its national defense activities as well as through its recent activities with the DOE Hydrogen Programs. The hydrogen technical staff at SRNL comprises over 90 scientists, engineers and technologists. SRNL has ongoing R&D initiatives in a variety of hydrogen storage areas, including metal hydrides, complex hydrides, chemical hydrides and carbon nanotubes. SRNL has over 25 years of experience in metal hydrides and solid-state hydrogen storage research, development and demonstration. As part of its defense mission at SRS, SRNL developed, designed, demonstrated and provides ongoing technical support for the largest hydrogen processing facility in the world based on the integrated use of metal hydrides for hydrogen storage, separation, and compression. The SRNL has been active in teaming with academic and industrial partners to advance hydrogen technology. A primary focus of SRNL's R&D has been hydrogen storage using metal and complex hydrides. SRNL and its Hydrogen Technology Research Laboratory have been very successful in leveraging their defense infrastructure, capabilities and investments to help solve this country's energy problems. SRNL has participated in projects to convert public transit and utility vehicles for operation using hydrogen fuel. Two major projects include the H2Fuel Bus and an Industrial Fuel Cell Vehicle (IFCV) also known as the GATOR{trademark}. Both of these projects were funded by DOE and cost shared by industry. These are discussed further in Section 3.0, Demonstration Projects. In addition to metal hydrides technology, the SRNL Hydrogen group has done extensive R&D in other hydrogen technologies, including membrane filters for H2 separation, doped carbon nanotubes, storage vessel design and optimization, chemical hydrides, hydrogen compressors and hydrogen production using nuclear energy. Several of these are discussed further in Section 2, SRNL Hydrogen Research and Development.

Danko, E.

2011-02-13T23:59:59.000Z

291

Hydrogen sensor  

DOE Patents (OSTI)

A hydrogen sensor for detecting/quantitating hydrogen and hydrogen isotopes includes a sampling line and a microplasma generator that excites hydrogen from a gas sample and produces light emission from excited hydrogen. A power supply provides power to the microplasma generator, and a spectrometer generates an emission spectrum from the light emission. A programmable computer is adapted for determining whether or not the gas sample includes hydrogen, and for quantitating the amount of hydrogen and/or hydrogen isotopes are present in the gas sample.

Duan, Yixiang (Los Alamos, NM); Jia, Quanxi (Los Alamos, NM); Cao, Wenqing (Katy, TX)

2010-11-23T23:59:59.000Z

292

Hydrogen Vehicles and Fueling Infrastructure in China  

NLE Websites -- All DOE Office Websites (Extended Search)

Hydrogen Vehicles and Fueling Infrastructure in China Hydrogen Vehicles and Fueling Infrastructure in China Prof. Jinyang Zheng Director of IPE, Zhejiang University Director of Engineering Research Center for High Pressure Process Equipment and Safety, Ministry of Education Vice Director of China National Safety Committee of Pressure Vessels Vice President of CMES-P.R. China China Representative of ISO/TC197 and ISO/TC58 U.S. Department of Transportation and U. S. Department of Energy Workshop: Compressed Natural Gas and Hydrogen Fuels: Lessons Learned for the Safe Development of Vehicles,Dec.10-11,2009, Washington Safety and Regulatory Structure for CNG,CNG-H2,H2 Vehicles and Fuels in China Content Hydrogen Production CNG Refueling Station Hydrogen Refueling Station Shanxi HCNG Project U.S. Department of Transportation and U. S. Department of Energy Workshop: Compressed Natural Gas and

293

DOE Hydrogen and Fuel Cells Program: 2007 Annual Progress Report - Hydrogen  

NLE Websites -- All DOE Office Websites (Extended Search)

Hydrogen Production Hydrogen Production Printable Version 2007 Annual Progress Report II. Hydrogen Production This section of the 2007 Progress Report for the DOE Hydrogen Program focuses on hydrogen production. Each technical report is available as an individual Adobe Acrobat PDF. Download Adobe Reader. Hydrogen Production Sub-Program Overview, Mark Paster, Roxanne Garland, Arlene Anderson, U.S. Department of Energy (PDF 242 KB) A. Distributed Production from Natural Gas Low Cost Hydrogen Production Platform, Tim Aaron, Praxair, Inc. (PDF 399 KB) Low-Cost Hydrogen Distributed Production System Development, Franklin D. Lomax, H2Gen Innovations, Inc. (PDF 309 KB) Integrated Hydrogen Production, Purification and Compression System, Satish Tamhankar, The BOC Group, Inc. (PDF 123 KB)

294

DOE Hydrogen and Fuel Cells Program: 2009 Annual Progress Report - Hydrogen  

NLE Websites -- All DOE Office Websites (Extended Search)

Hydrogen Production Hydrogen Production Printable Version 2009 Annual Progress Report II. Hydrogen Production This section of the 2009 Progress Report for the DOE Hydrogen Program focuses on hydrogen production. Each technical report is available as an individual Adobe Acrobat PDF. Download Adobe Reader. Hydrogen Production Sub-Program Overview, Richard Farmer, U.S. Department of Energy (PDF 76 KB) A. Distributed Production from Bio-Derived Liquids Low-Cost Hydrogen Distributed Production System Development (PDF 246 KB), Frank Lomax, H2Gen Innovations, Inc. Distributed Hydrogen Production from Biomass Reforming (PDF 485 KB), Yong Wang, Pacific Northwest National Laboratory Hydrogen Generation from Biomass-Derived Carbohydrates via the Aqueous-Phase Reforming (APR) Process (PDF 234 KB), Greg Keenan, Virent

295

Table of Contents; DOE Hydrogen Program FY 2008 Annual Progress Report  

NLE Websites -- All DOE Office Websites (Extended Search)

8 Annual Progress Report 8 Annual Progress Report DOE Hydrogen Program Table of Contents I. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 II. Hydrogen Production . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17 II.0 Hydrogen Production Sub-Program Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19 II.A Distributed Production from Bio-Derived Liquids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23 II.A.1 H 2 Gen Innovations, Inc: Low-Cost Hydrogen Distributed Production System Development. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

296

Hydrogen Storage Technologies Hydrogen Delivery  

E-Print Network (OSTI)

Hydrogen Storage Technologies Roadmap Hydrogen Delivery Technical Team Roadmap June 2013 #12;This.................................................................................. 13 6. Hydrogen Storage and Innovation for Vehicle efficiency and Energy sustainability) is a voluntary, nonbinding, and nonlegal

297

The H2 Double-Slit Experiment: Where Quantum and Classical Physics...  

NLE Websites -- All DOE Office Websites (Extended Search)

The H2 Double-Slit Experiment: Where Quantum and Classical Physics Meet Print For the first time, an international research team carried out a double-slit experiment in H2, the...

298

Design of an electrochemical cell making syngas (CO+H-2) from...  

NLE Websites -- All DOE Office Websites (Extended Search)

Design of an electrochemical cell making syngas (CO+H-2) from C02 and H20 reduction at room temperature Title Design of an electrochemical cell making syngas (CO+H-2) from C02 and...

299

Membranes for H2 generation from nuclear powered thermochemical cycles.  

DOE Green Energy (OSTI)

In an effort to produce hydrogen without the unwanted greenhouse gas byproducts, high-temperature thermochemical cycles driven by heat from solar energy or next-generation nuclear power plants are being explored. The process being developed is the thermochemical production of Hydrogen. The Sulfur-Iodide (SI) cycle was deemed to be one of the most promising cycles to explore. The first step of the SI cycle involves the decomposition of H{sub 2}SO{sub 4} into O{sub 2}, SO{sub 2}, and H{sub 2}O at temperatures around 850 C. In-situ removal of O{sub 2} from this reaction pushes the equilibrium towards dissociation, thus increasing the overall efficiency of the decomposition reaction. A membrane is required for this oxygen separation step that is capable of withstanding the high temperatures and corrosive conditions inherent in this process. Mixed ionic-electronic perovskites and perovskite-related structures are potential materials for oxygen separation membranes owing to their robustness, ability to form dense ceramics, capacity to stabilize oxygen nonstoichiometry, and mixed ionic/electronic conductivity. Two oxide families with promising results were studied: the double-substituted perovskite A{sub x}Sr{sub 1-x}Co{sub 1-y}B{sub y}O{sub 3-{delta}} (A=La, Y; B=Cr-Ni), in particular the family La{sub x}Sr{sub 1-x}Co{sub 1-y}Mn{sub y}O{sub 3-{delta}} (LSCM), and doped La{sub 2}Ni{sub 1-x}M{sub x}O{sub 4} (M = Cu, Zn). Materials and membranes were synthesized by solid state methods and characterized by X-ray and neutron diffraction, SEM, thermal analyses, calorimetry and conductivity. Furthermore, we were able to leverage our program with a DOE/NE sponsored H{sub 2}SO{sub 4} decomposition reactor study (at Sandia), in which our membranes were tested in the actual H{sub 2}SO{sub 4} decomposition step.

Nenoff, Tina Maria; Ambrosini, Andrea; Garino, Terry J.; Gelbard, Fred; Leung, Kevin; Navrotsky, Alexandra (University of California, Davis, CA); Iyer, Ratnasabapathy G. (University of California, Davis, CA); Axness, Marlene

2006-11-01T23:59:59.000Z

300

Influence of activity of CaSO4 ? 2H2O on hydrothermal formation of CaSO4 ? 0.5H2O whiskers  

Science Conference Proceedings (OSTI)

Theinfluence of the activity of calciumsulfate dihydrate (CaSO4 ? 2H2O) on the hydrothermal formation of CaSO4 ?0.5H2O whiskers was investigated in this paper, using commercial CaSO4 ? ...

S. C. Hou, L. Xiang

2013-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "h2 hydrogen hungary" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


301

Solar-thermal Water Splitting Using the Sodium Manganese Oxide Process & Preliminary H2A Analysis  

DOE Green Energy (OSTI)

There are three primary reactions in the sodium manganese oxide high temperature water splitting cycle. In the first reaction, Mn2O3 is decomposed to MnO at 1,500°C and 50 psig. This reaction occurs in a high temperature solar reactor and has a heat of reaction of 173,212 J/mol. Hydrogen is produced in the next step of this cycle. This step occurs at 700°C and 1 atm in the presence of sodium hydroxide. Finally, water is added in the hydrolysis step, which removes NaOH and regenerates the original reactant, Mn2O3. The high temperature solar?driven step for decomposing Mn2O3 to MnO can be carried out to high conversion without major complication in an inert environment. The second step to produce H2 in the presence of sodium hydroxide is also straightforward and can be completed. The third step, the low temperature step to recover the sodium hydroxide is the most difficult. The amount of energy required to essentially distill water to recover sodium hydroxide is prohibitive and too costly. Methods must be found for lower cost recovery. This report provides information on the use of ZnO as an additive to improve the recovery of sodium hydroxide.

Todd M. Francis, Paul R. Lichty, Christopher Perkins, Melinda Tucker, Peter B. Kreider, Hans H. Funke, Allan Lewandowski, and Alan W. Weimer

2012-10-24T23:59:59.000Z

302

Hydrogen Sulfide Dispersion Consequences Analysis in Different Wind Speeds: A CFD Based Approach  

Science Conference Proceedings (OSTI)

Hydrogen sulfide (h2s) leakage and dispersion from a sulfide recycle installation in different wind speeds are simulated by implementing a 3D Computational Fluid Dynamics (CFD) model. H2s concentrations of monitor points which represent dispersion contours ... Keywords: CFD, hydrogen Sulfide, dispersion, concenquences analysis, different wind speeds

Bo Zhang; Guo-ming Chen

2009-10-01T23:59:59.000Z

303

Analysis of Buoyancy-Driven Ventilation of Hydrogen from Buildings: Preprint  

DOE Green Energy (OSTI)

When hydrogen gas is used or stored within a building, as with a hydrogen-powered vehicle parked in a residential garage, any leakage of unignited H2 will mix with indoor air and may form a flammable mixture. One approach to safety engineering relies on buoyancy-driven, passive ventilation of H2 from the building through vents to the outside.

Barley, C. D.; Gawlik, K.; Ohi, J.; Hewett, R.

2007-08-01T23:59:59.000Z

304

Hydrogen-Assisted Fracture: Materials Testing and Variables Governing Fracture  

NLE Websites -- All DOE Office Websites (Extended Search)

Hydrogen-Assisted Fracture: Materials Hydrogen-Assisted Fracture: Materials Testing and Variables Governing Fracture Brian Somerday, Chris San Marchi, and Dorian Balch Sandia National Laboratories Livermore, CA Hydrogen Pipeline Working Group Workshop Augusta, GA August 30-31, 2005 SNL has 40+ years experience with effects of high-pressure hydrogen gas on materials * Design and maintenance of welded stainless steel pressure vessels for containment of high-pressure H 2 isotopes - Extensive testing of stainless steels exposed to high-pressure H 2 gas * Six-year program in 1970s focused on feasibility of using natural gas pipeline network for H 2 gas - Materials testing in high-pressure H 2 gas using laboratory specimens and model pipeline - Examined fusion zone and heat affected zones of welds * Active SNL staff have authored 70+ papers and organized 6

305

Fuel Cell Technologies Office: Hydrogen News Archives NewsDetail  

NLE Websites -- All DOE Office Websites (Extended Search)

Screening Upcoming Webinar July 24: DOE Analysis Related to H2USA SBIRSTTR Phase I Release 1 Technical Topics Announced for FY14-Hydrogen and Fuel Cell Topics Include...

306

Light Duty Fuel Cell Electric Vehicle Hydrogen Fueling Protocol  

NLE Websites -- All DOE Office Websites (Extended Search)

DOE Webinar Light Duty Fuel Cell Electric Vehicle Hydrogen Fueling Protocol U.S. DOE WEBINAR ON H2 FUELING PROTOCOLS: PARTICIPANTS Rob Burgess Moderator Jesse Schneider TIR J2601,...

307

DOE Hydrogen and Fuel Cells Program: 2007 Annual Progress Report...  

NLE Websites -- All DOE Office Websites (Extended Search)

Cooper, U.S. Department of Energy (PDF 195 KB) Hydrogen Technology and Energy Curriculum (HyTEC), Barbara Nagle, University of California, Berkeley (PDF 271 KB) H2 Educate -...

308

Fuel Cell Technologies Office: DOE Hydrogen Transition Analysis...  

NLE Websites -- All DOE Office Websites (Extended Search)

Inc. Overview of NEMS-H2, Version 1.0 (PDF 294 KB), Frances Wood, OnLocation, Inc. Agent-Based Modeling and Simulation for Hydrogen Transition Analysis (PDF 515 KB),...

309

Hydrogen and electricity: Parallels, interactions,and convergence  

E-Print Network (OSTI)

a synthetic gas or syngas, which can then be convertedand hydrogen. 4.2.1.1. Syngas-based co-production options.of a synthesis gas (syngas), which is a mixture of H 2 ,

Yang, Christopher

2008-01-01T23:59:59.000Z

310

Hydrogen & Fuel Cells - Hydrogen - Hydrogen Quality  

NLE Websites -- All DOE Office Websites (Extended Search)

Hydrogen Quality Issues for Fuel Cell Vehicles Hydrogen Quality Issues for Fuel Cell Vehicles Introduction Developing and implementing fuel quality specifications for hydrogen are prerequisites to the widespread deployment of hydrogen-fueled fuel cell vehicles. Several organizations are addressing this fuel quality issue, including the International Standards Organization (ISO), the Society of Automotive Engineers (SAE), the California Fuel Cell Partnership (CaFCP), and the New Energy and Industrial Technology Development Organization (NEDO)/Japan Automobile Research Institute (JARI). All of their activities, however, have focused on the deleterious effects of specific contaminants on the automotive fuel cell or on-board hydrogen storage systems. While it is possible for the energy industry to provide extremely pure hydrogen, such hydrogen could entail excessive costs. The objective of our task is to develop a process whereby the hydrogen quality requirements may be determined based on life-cycle costs of the complete hydrogen fuel cell vehicle "system." To accomplish this objective, the influence of different contaminants and their concentrations in fuel hydrogen on the life-cycle costs of hydrogen production, purification, use in fuel cells, and hydrogen analysis and quality verification are being assessed.

311

High Level ab initio Predictions of the Energetics of mCO2(H2O)n (n = 1-3, m = 1-12) Clusters  

SciTech Connect

Electronic structure calculations at the correlated molecular orbital theory and density functional theory levels have been used to generate a reliable set of clustering energies for up to three water molecules in carbon dioxide clusters up to n = 12. The structures and energetics are dominated by Lewis acid-base interactions with hydrogen bonding interactions playing a lesser energetic role. The actual binding energies are somewhat larger than might be expected. The correlated molecular orbital MP2 method and density functional theory with the ?B97X exchange-correlation functional provide good results for the energetics of the clusters but the B3LYP and ?B97X-D functionals do not. Seven CO2 molecules form the first solvent shell about a single H2O with four CO2 molecules interacting with the H2O via Lewis acid-base interactions, two CO2 interacting with the H2O by hydrogen bonds, and the seventh CO2 completing the shell. The Lewis acid-base and weak hydrogen bond interactions between the water molecules and the CO2 molecules are strong enough to disrupt the trimer ring configuration for as few as seven CO2 molecules. Calculated 13C NMR chemical shifts for mCO2(H2O)n show little change with respect to the number of H2O or CO2 molecules in the cluster. The O-H stretching frequencies do exhibit shifts that can provide information about the interactions between water and CO2 molecules.

Thanthiriwatte, Sahan; Duke, Jessica R.; Jackson, Virgil E.; Felmy, Andrew R.; Dixon, David A.

2012-10-04T23:59:59.000Z

312

Wind-To-Hydrogen Project: Operational Experience, Performance Testing, and Systems Integration  

DOE Green Energy (OSTI)

The Wind2H2 system is fully functional and continues to gather performance data. In this report, specifications of the Wind2H2 equipment (electrolyzers, compressor, hydrogen storage tanks, and the hydrogen fueled generator) are summarized. System operational experience and lessons learned are discussed. Valuable operational experience is shared through running, testing, daily operations, and troubleshooting the Wind2H2 system and equipment errors are being logged to help evaluate the reliability of the system.

Harrison, K. W.; Martin, G. D.; Ramsden, T. G.; Kramer, W. E.; Novachek, F. J.

2009-03-01T23:59:59.000Z

313

Trends in Educational Assortative Mating in Post-Socialist Central Europe: Czech Republic, Slovakia, Poland, and Hungary Between 1988 and 2000  

E-Print Network (OSTI)

Unemployment in Hungary and Poland. Employment and Training.Czech Republic, Slovakia, Poland, and Hungary Between 1988L I C , S L O V A K I A , POLAND, AND H U N G A R Y B E T W

Katrnak, Tomas; Kreidl, M; Fonadova, Laura

2005-01-01T23:59:59.000Z

314

New Generation Biofuels Holdings Inc formerly H2Diesel | Open Energy  

Open Energy Info (EERE)

Generation Biofuels Holdings Inc formerly H2Diesel Generation Biofuels Holdings Inc formerly H2Diesel Jump to: navigation, search Name New Generation Biofuels Holdings Inc. (formerly H2Diesel) Place Lake Mary, Florida Zip 32746 Product Florida-based developer of innovative biodiesel projects and technologies. References New Generation Biofuels Holdings Inc. (formerly H2Diesel)[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. New Generation Biofuels Holdings Inc. (formerly H2Diesel) is a company located in Lake Mary, Florida . References ↑ "New Generation Biofuels Holdings Inc. (formerly H2Diesel)" Retrieved from "http://en.openei.org/w/index.php?title=New_Generation_Biofuels_Holdings_Inc_formerly_H2Diesel&oldid=349166"

315

Code for Hydrogen Hydrogen Pipeline  

E-Print Network (OSTI)

#12;2 Code for Hydrogen Pipelines Hydrogen Pipeline Working Group Workshop Augusta, Georgia August development · Charge from BPTCS to B31 Standards Committee for Hydrogen Piping/Pipeline code development · B31.12 Status & Structure · Hydrogen Pipeline issues · Research Needs · Where Do We Go From Here? #12;4 Code

316

DOE Hydrogen and Fuel Cells Program: 2004 Annual Progress Report - Hydrogen  

NLE Websites -- All DOE Office Websites (Extended Search)

Hydrogen Storage Hydrogen Storage Printable Version 2004 Annual Progress Report III. Hydrogen Storage Each individual technical report is available as an individual Adobe Acrobat PDF for easier use. Download Adobe Reader. Hydrogen Storage Sub-Program Review, JoAnn Milliken, DOE (PDF 227 KB) A. Compressed/Liquid H2 Tanks Low-Cost, High-Efficiency, High-Pressure Hydrogen Storage, Jui Ko, Quantum (PDF 373 KB) Optimum Utilization of Available Space in a Vehicle through Conformable Hydrogen Tanks, Salvador Aceves, LLNL (PDF 614 KB) Next Generation Physical Hydrogen Storage, Andrew Weisberg, LLNL (PDF 1 MB) Back to Top B. Chemical Hydrides Low-Cost, Off-Board Regeneration of Sodium Borohydride, Ying Wu, Millennium Cell (PDF 420 KB) Hydrogen Storage: Radiolysis for Borate Regeneration, Bruce Wilding,

317

DOE Hydrogen and Fuel Cells Program: 2008 Annual Progress Report - Hydrogen  

NLE Websites -- All DOE Office Websites (Extended Search)

Hydrogen Production Hydrogen Production Printable Version 2008 Annual Progress Report II. Hydrogen Production This section of the 2008 Progress Report for the DOE Hydrogen Program focuses on hydrogen production. Each technical report is available as an individual Adobe Acrobat PDF. Download Adobe Reader. Hydrogen Production Sub-Program Overview, Richard Farmer, U.S. Department of Energy (PDF 319 KB) A. Distributed Production from Bio-Derived Liquids Low-Cost Hydrogen Distributed Production System Development, Frank Lomax, H2Gen Innovations, Inc. (PDF 298 KB) Distributed Hydrogen Production from Biomass Reforming, David King, Pacific Northwest National Laboratory (PDF 372 KB) Analysis of Ethanol Reforming System Configurations, Brian James, Directed Technologies, Inc. (PDF 515 KB)

318

High Pressure Hydrogen Tank Manufacturing  

NLE Websites -- All DOE Office Websites (Extended Search)

Workshop Workshop High Pressure Hydrogen Tank Manufacturing Mark Leavitt Quantum Fuel Systems Technologies Worldwide, Inc. August 11, 2011 This presentation does not contain any proprietary, confidential, or otherwise restricted information History of Innovations... Announced breakthrough in all-composite lightweight, high capacity, low-cost fuel storage technologies. * Developed a series of robust, OEM compatible electronic control products. Developed H 2 storage system for SunLine Tran-sit Hythane® bus. Awarded patent for integrated module including in-tank regulator * Developed high efficiency H 2 fuel storage systems for DOE Future Truck programs Developed H 2 storage and metering system for Toyota's FCEV platform. First to certify 10,000 psi systems in Japan

319

Hydrogen & Fuel Cells - Hydrogen - Hydrogen Production  

NLE Websites -- All DOE Office Websites (Extended Search)

Center Working With Argonne Contact TTRDC Thermochemical Cycles for Hydrogen Production Argonne researchers are studying thermochemical cycles to determine their potential...

320

Molecular Cell Hydrogen Sulfide-Linked Sulfhydration  

E-Print Network (OSTI)

Molecular Cell Article Hydrogen Sulfide-Linked Sulfhydration of NF-kB Mediates Its Antiapoptotic@jhmi.edu DOI 10.1016/j.molcel.2011.10.021 SUMMARY Nuclear factor kB (NF-kB) is an antiapoptotic tran- scription factor. We show that the antiapoptotic actions of NF-kB are mediated by hydrogen sulfide (H2S

Dong, Xinzhong

Note: This page contains sample records for the topic "h2 hydrogen hungary" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


321

Hydrogen Storage  

Fuel Cell Technologies Publication and Product Library (EERE)

This 2-page fact sheet provides a brief introduction to hydrogen storage technologies. Intended for a non-technical audience, it explains the different ways in which hydrogen can be stored, as well a

322

Hydrogen Fuel  

Energy.gov (U.S. Department of Energy (DOE))

Hydrogen is a clean fuel that, when consumed, produces only water. Hydrogen can be produced from a variety of domestic sources, such as coal, natural gas, nuclear power, and renewable power. These...

323

Hydrogen Radialysis  

INL scientists have invented a process of forming chemical compositions, such as a hydrides which can provide a source of hydrogen. The process exposes the chemical composition decaying radio-nuclides which provide the energy to with a hydrogen source ...

324

Hydrogen Safety  

Fuel Cell Technologies Publication and Product Library (EERE)

This 2-page fact sheet, intended for a non-technical audience, explains the basic properties of hydrogen and provides an overview of issues related to the safe use of hydrogen as an energy carrier.

325

Hydrogen wishes  

Science Conference Proceedings (OSTI)

Hydrogen Wishes, presented at MIT's Center for Advanced Visual Studies, explores the themes of wishes and peace. It dramatizes the intimacy and power of transforming one's breath and vocalized wishes into a floating sphere, a bubble charged with hydrogen. ...

Winslow Burleson; Paul Nemirovsky; Dan Overholt

2003-07-01T23:59:59.000Z

326

Hydrogen Production  

NLE Websites -- All DOE Office Websites (Extended Search)

Hydrogen Production DELIVERY FUEL CELLS STORAGE PRODUCTION TECHNOLOGY VALIDATION CODES & STANDARDS SYSTEMS INTEGRATION ANALYSES SAFETY EDUCATION RESEARCH & DEVELOPMENT Economy...

327

Hydrogen Storage  

Science Conference Proceedings (OSTI)

Oct 10, 2012 ... Energy Storage: Materials, Systems and Applications: Hydrogen Storage Program Organizers: Zhenguo "Gary" Yang, Pacific Northwest...

328

Hydrogen Storage  

Science Conference Proceedings (OSTI)

Applied Neutron Scattering in Engineering and Materials Science Research: Hydrogen Storage Sponsored by: Metallurgical Society of the Canadian Institute of...

329

(SOEC) for H2O/CO2 - Programmaster.org  

Science Conference Proceedings (OSTI)

Symposium, Materials for CO2 Capture and Conversion ... and Reaction Phenomena in a Solid Oxide Electrolyzer Cell (SOEC) for H2O/CO2 Co- electrolysis.

330

Catalysts for interconversion of CO2H2 and formic acid  

Catalyst compounds for the energetically feasible interconversion CO2 plus H2and formic acid are disclosed as are methods for using the catalysts for ...

331

Mass Production Cost Estimation for Direct H2 PEM Fuel Cell Systems...  

NLE Websites -- All DOE Office Websites (Extended Search)

Mass Production Cost Estimation for Direct H 2 PEM Fuel Cell Systems for Automotive Applications: 2010 Update September 30, 2010 Prepared by: Brian D. James, Jeffrey A. Kalinoski...

332

Guidance for Filling Out a Detailed H2A Production Case Study  

NLE Websites -- All DOE Office Websites (Extended Search)

Property Data Standard Price and Property Data Information H2A Process Flow Diagram 4 Production Cost + Rate of Return Cost Contribution Sensitivity Analysis Key Cost Drivers...

333

Laboratory Investigations of a Low-Swirl Injector with H2 and...  

NLE Websites -- All DOE Office Websites (Extended Search)

Influence of Exhaust Gas Recirculation on Combustion Instabilities in CH 4 and H 2 CH 4 Fuel Mixtures Don Ferguson, Joseph Ranalli and Pete Strakey National Energy Technology...

334

Closer Look Reveals New Insights on Enzymatic Catalysts for H2 Production (Fact Sheet)  

DOE Green Energy (OSTI)

Researchers use spectroscopic tools to analyze H2 activation by [FeFe]-Hydrogenase HydA1 from Chlamydomonas reinhardtii.

Not Available

2014-01-01T23:59:59.000Z

335

Isotope effect on adsorbed quantum phases: Diffusion of H2 and D2 in nanoporous carbon  

SciTech Connect

Quasielastic neutron scattering of H2 and D2 in a nanoporous carbon at 10 40 K demonstrates extreme quantum sieving, with D2 diffusing up to 76 times faster. D2 also shows liquid-like diffusion, while H2 exhibits distinct solid-type diffusion. The onset of diffusion occurs at 22 25 K for H2 and 10 13 K for D2. We show this difference may be explained by different commensurability of the two adsorbed isotopes with carbon substrate. We further observe that H2 and D2 have identical thermal de Broglie wavelength at their respective onset temperatures, and correlated with the dominant pore size.

Contescu, Cristian I [ORNL; Zhang, Hongxin [ORNL; Olsen, Raina J [ORNL; Mamontov, Eugene [ORNL; Morris, James R [ORNL; Gallego, Nidia C [ORNL

2013-01-01T23:59:59.000Z

336

Pressure-driven confinement of hydrogen molecules between graphene sheets in the regime of van der Waals repulsion  

E-Print Network (OSTI)

Storage of hydrogen in carbon materials,1,2 with its poten- tial application in hydrogen in the interactions between H2 and hosts in solid lattices,2,3 although mechanism for hydrogen storage in car- bon a serious challenge for trap- ping hydrogen, which is governed by the free energy change G H T S E p V T S

Gong, Xingao

337

Low-Cost Hydrogen-from-Ethanol: A Distributed Production System (Presentation)  

NLE Websites -- All DOE Office Websites (Extended Search)

Hydrogen-from- Hydrogen-from- Ethanol: A Distributed Production System Presented at the Bio-Derived Liquids to Hydrogen Distributed Reforming Working Group Meeting Laurel, Maryland Tuesday, November 6, 2007 H 2 Gen Innovations, Inc. Alexandria, Virginia www.h2gen.com 2 Topics * H 2 Gen Reformer System Innovation * Natural Gas Reformer - Key performance metrics - Summary unique H2A inputs * Ethanol Reformer - Key performance metrics - Summary unique H2A inputs * Questions from 2007 Merit Review 3 H 2 Gen Innovations' Commercial SMR * Compact, low-cost 115 kg/day natural gas reformer proven in commercial practice [13 US Patents granted] * Built-in, unique, low-cost PSA system * Unique sulfur-tolerant catalyst developed with Süd Chemie 4 DOE Program Results * Task 1- Natural Gas Reformer Scaling:

338

Sustainable Energy Science and Engineering Center Hydrogen Production  

E-Print Network (OSTI)

component parts of hydrogen (H2) and oxygen (O). The most common method involves steam reforming of methane (from natural gas), although there are several other methods. · Steam reforming converts methane (and other hydrocarbons in natural gas) into hydrogen and carbon monoxide by reaction with steam over

Krothapalli, Anjaneyulu

339

Dimensioning and operating wind-hydrogen plants in power markets  

Science Conference Proceedings (OSTI)

This paper presents a two-step method for dimensioning and time-sequential operation of Wind-hydrogen (H2) plants operating in power markets. Step 1 involves identification of grid constraints and marginal power losses through load flow simulations. ... Keywords: distributed generation, hydrogen, quadratic optimization, renewable energy, weak grids, wind power

Christopher J. Greiner; Magnus Korps; Terje Gjengedal

2008-07-01T23:59:59.000Z

340

National Renewable Energy Laboratory DOE Hydrogen, Fuel Cells, and Infrastructure  

E-Print Network (OSTI)

cold start analysis: 2001 ­ Fuel cell hybrid electric vehicles: 1999 (in collaboration with VATech) ­ H funding from the DOE Hydrogen Program (now HFCIT), with some funding coming from PBA and OFCVT #12;History analysis, electric grid/hydrogen interaction ­ Johanna Ivy: Electrolysis, H2A, programming ­ Maggie Mann

Note: This page contains sample records for the topic "h2 hydrogen hungary" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


341

Hydrogen Scenarios  

NLE Websites -- All DOE Office Websites (Extended Search)

VMT Shares Rural Small City Large City OnLocation, Inc., Energy Systems Consulting 11 H2 Production and Delivery Costs CentralCity Gate Production - Large City Markets Central -...

342

Recommended Best Practices for the Characterization of Storage Properties of Hydrogen Storage Materials - Section 6 Thermal Properties of Hydrogen Storage Materials  

NLE Websites -- All DOE Office Websites (Extended Search)

82 82 Recommended Best Practices for Characterizing Engineering Properties of Hydrogen Storage Materials. V150: February 4, 2013 Recommended Best Practices for Characterizing Engineering Properties of Hydrogen Storage Materials Karl J. Gross, H2 Technology Consulting LLC Bruce Hardy, of Savannah River National Laboratory We gratefully acknowledge assistance and financial support from the U.S. Department of Energy Office of Energy Efficiency and Renewable Energy Hydrogen Storage Program. National Renewable Energy Laboratory Contract No. 147388 Contract Technical Monitor: Dr. Philip Parilla H2 Technology Consulting, LLC kgross@h2techconsulting.com tel: (510) 468-7515 Table of Contents Page 2 of 282 Recommended Best Practices for Characterizing

343

Effect of Al(OH)3 on the hydrogen generation of aluminumewater system Hsin-Te Teng a  

E-Print Network (OSTI)

Effect of Al(OH)3 on the hydrogen generation of aluminumewater system Hsin-Te Teng a , To-Ying Lee effect of Al(OH)3 powders on Al/H2O system for hydrogen generation was demonstrated. crystalline Al(OH)3 powder acts an effective additive to the Al/H2O system.

Cao, Guozhong

344

Hydrogenation apparatus  

DOE Patents (OSTI)

Hydrogenation reaction apparatus is described comprising a housing having walls which define a reaction zone and conduits for introducing streams of hydrogen and oxygen into the reaction zone, the oxygen being introduced into a central portion of the hydrogen stream to maintain a boundary layer of hydrogen along the walls of the reaction zone. A portion of the hydrogen and all of the oxygen react to produce a heated gas stream having a temperature within the range of from 1,100 to 1,900 C, while the boundary layer of hydrogen maintains the wall temperature at a substantially lower temperature. The heated gas stream is introduced into a hydrogenation reaction zone and provides the source of heat and hydrogen for a hydrogenation reaction. There also is provided means for quenching the products of the hydrogenation reaction. The present invention is particularly suitable for the hydrogenation of low-value solid carbonaceous materials to provide high yields of more valuable liquid and gaseous products. 2 figs.

Friedman, J.; Oberg, C.L.; Russell, L.H.

1981-06-23T23:59:59.000Z

345

Gaseous Hydrogen Delivery Breakout - Strategic Directions for Hydrogen Delivery Workshop  

NLE Websites -- All DOE Office Websites (Extended Search)

Gaseous Hydrogen Gaseous Hydrogen Delivery Breakout Strategic Directions for Hydrogen Delivery Workshop May 7-8, 2003 Crystal City, Virginia Breakout Session Name Targets/Objectives More work is needed to better define delivery target metrics Assumptions about targets for costs and energy efficiency need to be qualified Technology improvements likely to lower costs, but may not have major impact on total cost A significant impact on cost would come through permitting policy changes, e.g., use of public land Breakout Session Name Priority Barriers System Issues: need to assess delivery options in context of total system Materials: corrosion, H2 permeability Construction: welding, joining Maintenance and Operation: leak detection Pipeline Safety: odorants, flame visibility

346

A Micrometeorological Facility for Eddy Flux Measurements of CO2 and H2O  

Science Conference Proceedings (OSTI)

A ground-based eddy flux system which is used to measure the CO2 and H2O exchange between the atmosphere and the biosphere is described. Fluctuations of CO2, H2O, air temperature and atmospheric turbulence are sampled at frequencies up to 50 Hz. ...

F. Chahuneau; R. L. Desjardins; R. Verdon; E. Brach

1989-02-01T23:59:59.000Z

347

Sensitive Detection of H2S Using Gold Nanoparticle Decorated Single-Walled Carbon  

E-Print Network (OSTI)

in large amounts in coal and natural gas processing, petroleum industries, biogas production, and sewage . The H2S and dry air gas flow rates were regulated by mass flow controllers (Alicat Scientific Incorpo sensitive conducto- metric gas nanosensors for H2S can be synthesized by electrodepositing gold

348

Fischer-Tropsch Database Calculations Conversions: CO, H2, and Syngas  

E-Print Network (OSTI)

Fischer-Tropsch Database Calculations Conversions: CO, H2, and Syngas f in out in n n n = - 100 n contraction (%) #12;Syngas ratio (H2:CO): sr H in CO in n n = 2 _ _ n: (mols per hour) sr: Syngas ratio Rates active metal (g) r: Rate (mols / hr / g metal) #12;Rate Syngas: syngas H COr r r= +2 r syngas: Syngas

Kentucky, University of

349

H2RES: Energy Planning of Islands and Isolated Regions Website | Open  

Open Energy Info (EERE)

H2RES: Energy Planning of Islands and Isolated Regions Website H2RES: Energy Planning of Islands and Isolated Regions Website Jump to: navigation, search Tool Summary LAUNCH TOOL Name: H2RES: Energy Planning of Islands and Isolated Regions Website Focus Area: Crosscutting Topics: System & Application Design Website: www.powerlab.fsb.hr/h2RES/index.html Equivalent URI: cleanenergysolutions.org/content/h2res-energy-planning-islands-and-iso Language: English Policies: Regulations Regulations: "Net Metering & Interconnection,Resource Integration Planning" is not in the list of possible values (Agriculture Efficiency Requirements, Appliance & Equipment Standards and Required Labeling, Audit Requirements, Building Certification, Building Codes, Cost Recovery/Allocation, Emissions Mitigation Scheme, Emissions Standards, Enabling Legislation, Energy Standards, Feebates, Feed-in Tariffs, Fuel Efficiency Standards, Incandescent Phase-Out, Mandates/Targets, Net Metering & Interconnection, Resource Integration Planning, Safety Standards, Upgrade Requirements, Utility/Electricity Service Costs) for this property.

350

Amineborane Based Chemical Hydrogen Storage - Final Report  

SciTech Connect

The development of efficient and safe methods for hydrogen storage is a major hurdle that must be overcome to enable the use of hydrogen as an alternative energy carrier. The objectives of this project in the DOE Center of Excellence in Chemical Hydride Storage were both to develop new methods for on-demand, low temperature hydrogen release from chemical hydrides and to design high-conversion off-board methods for chemical hydride regeneration. Because of their reactive protic (N-H) and hydridic (B-H) hydrogens and high hydrogen contents, amineboranes such as ammonia borane, NH3BH3 (AB), 19.6-wt% H2, and ammonia triborane NH3B3H7 (AT), 17.7-wt% H2, were initially identified by the Center as promising, high-capacity chemical hydrogen storage materials with the potential to store and deliver molecular hydrogen through dehydrogenation and hydrolysis reactions. In collaboration with other Center partners, the Penn project focused both on new methods to induce amineborane H2-release and on new strategies for the regeneration the amineborane spent-fuel materials. The Penn approach to improving amineborane H2-release focused on the use of ionic liquids, base additives and metal catalysts to activate AB dehydrogenation and these studies successfully demonstrated that in ionic liquids the AB induction period that had been observed in the solid-state was eliminated and both the rate and extent of AB H2-release were significantly increased. These results have clearly shown that, while improvements are still necessary, many of these systems have the potential to achieve DOE hydrogen-storage goals. The high extent of their H2-release, the tunability of both their H2 materials weight-percents and release rates, and their product control that is attained by either trapping or suppressing unwanted volatile side products, such as borazine, continue to make AB/ionic-liquid based systems attractive candidates for chemical hydrogen storage applications. These studies also demonstrated that H2-release from chemical hydrides can occur by a number of different mechanistic pathways and strongly suggest that optimal chemical hydride based H2release systems may require the use of synergistic dehydrogenation methods to induce H2-loss from chemically different intermediates formed during release reactions. The efficient regeneration of ammonia borane from BNHx spent fuel is one of the most challenging problems that will have to be overcome in order to utilize AB-based hydrogen storage. Three Center partners, LANL, PNNL and Penn, each took different complimentary approaches to AB regeneration. The Penn approach focused on a strategy involving spent-fuel digestion with superacidic acids to produce boron-halides (BX3) that could then be converted to AB by coordination/reduction/displacement processes. While the Penn boron-halide reduction studies successfully demonstrated that a dialkylsulfide-based coordination/reduction/displacement process gave quantitative conversions of BBr3 to ammonia borane with efficient and safe product separations, the fact that AB spent-fuels could not be digested in good yields to BX3 halides led to a No-Go decision on this overall AB-regeneration strategy.

Sneddon, Larry G.

2011-04-21T23:59:59.000Z

351

Hydrogen Storage in a Microporous Metal-Organic Framework with Exposed Mn2+ Coordination Sites  

E-Print Network (OSTI)

Hydrogen Storage in a Microporous Metal-Organic Framework with Exposed Mn2+ Coordination Sites and 90 bar, which at 60 g H2/L provides a storage density 85% of that of liquid hydrogen. The material-358. (2) EERE: Hydrogen, Fuel Cells, & Infrastructure Technologies Program Homepage, www.eere.energy

352

DOE Hydrogen and Fuel Cells Program Record 9014: Hydrogen Storage Materials: 2007 … 2009  

NLE Websites -- All DOE Office Websites (Extended Search)

RCB (12/02/09) RCB (12/02/09) 1 DOE Hydrogen and Fuel Cells Program Record Record #: 9014 Date: December 02, 2009 Title: Hydrogen Storage Materials: 2007 - 2009 Originator: Robert C. Bowman, Ned T. Stetson Approved by: Sunita Satyapal Date: December 02, 2009 Item: This record summarizes the status of hydrogen (H 2 ) storage capacities that were determined for materials investigated between 2007 and 2009 within the Hydrogen Storage sub-program. Figure 1 shows the current status of materials development in terms of their gravimetric (in wt.%) capacities for just the materials themselves as a function of H 2 release or uptake temperature. The system targets for weight and temperatures as recently revised [1] for the 2015 and ultimate metrics are the areas enclosed by dashed lines in Figure 1. The arrow within the "windows"

353

DOE Hydrogen and Fuel Cells Program: 2004 Annual Progress Report  

NLE Websites -- All DOE Office Websites (Extended Search)

4 4 Printable Version 2004 Annual Progress Report The 2004 Progress Report for the DOE Hydrogen Program summarizes the hydrogen and fuel cell R&D and analysis activities and accomplishments for FY 2004. Published in November 2004, the full document is very large; each technical report is available as an individual Adobe Acrobat PDF. Download Adobe Reader. Front Cover (PDF 203 KB) Table of Contents (PDF 432 KB) I. Introduction (PDF 350 KB) II. Hydrogen Production and Delivery Distributed Production Technologies Separations Biomass Gasification/Pyrolysis Photobiological Production Photoelectrochemical Production Electrolysis High-Temperature Thermochemical Processes Hydrogen Delivery Analysis III. Hydrogen Storage Compressed/Liquid H2 Tanks Chemical Hydrides Metal Hydrides

354

Autofermentative Biological Hydrogen Production by Cyanobacteria  

NLE Websites -- All DOE Office Websites (Extended Search)

BioSolarH BioSolarH 2  Autofermentative biological hydrogen production by cyanobacteria G.C. Dismukes Rutgers University Waksman Institute and Department of Chemistry & Chemical Biology DOE Biohydrogen Production Workshop NREL October, 2013 -BioSolarH 2  Ghirardi et al., 2007 Tamagnini et al., 2007 Soluble NiFe hydrogenase (SH) Group 5 AH in Ralstonia eutropha H16 Schäfer et al., 2013 Formate dehydrogenase Hydrogenase Bagramyan et al., 2003 Ferredoxin Km (MV) = 16.1µM Kcat (MV) = 1242 s -1 (Francis et al., 1990) K i (O 2 ) = 1% (McIntosh et al., 2011) Km (C 2 H 2 ) = 1.8*10 -3 atms (Hallenbeck et al. 1979) Km (H 2 ) =6.1µM Kcat (H 2 ) = 238 s -1 ( Schäfer et al., 2013) K i (O 2 ) = 47.5% (Lenz et al., 2010) Km (H 2 ) =3.5µM Kcat (H 2 ) = 0.5 s -1 ( Oxygen insensitive (Schäfer et al., 2013)

355

Hydrogen Safety  

Science Conference Proceedings (OSTI)

... ASHRAE 62.1, 7 air changes per hour, 100 ... I, Division II, Group B: testing and research laboratory; ... Planning Guidance for Hydrogen Projects as a ...

2012-10-09T23:59:59.000Z

356

HD and H2 formation in low-metallicity dusty gas clouds at high reshift  

E-Print Network (OSTI)

Context: The HD and H2 molecules play important roles in the cooling of primordial and very metal-poor gas at high redshift. Aims: Grain surface and gas phase formation of HD and H2 is investigated to assess the importance of trace amounts of dust, 10^{-5}-10^{-3} Zo, in the production of HD and H2. Methods: We consider carbonaceous and silicate grains and include both physisorption and chemisorption, tunneling, and realistic grain surface barriers. We find, for a collapsing gas cloud environment with coupled chemical and thermal balance, that dust abundances as small as 10^{-5} solar lead to a strong boost in the H2 formation rate due to surface reactions. As a result of this enhancement in H2, HD is formed more efficiently in the gas phase through the D+ +H2 reaction. Direct formation of HD on dust grains cannot compete well with this gas phase process for dust temperatures below 150 K. We also derive up-to-date analytic fitting formulae for the grain surface formation of H2 and HD, including the different ...

Cazaux, S

2009-01-01T23:59:59.000Z

357

Energy Basics: Hydrogen Fuel  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Energy Basics Renewable Energy Printable Version Share this resource Biomass Geothermal Hydrogen Hydrogen Fuel Fuel Cells Hydropower Ocean Solar Wind Hydrogen Fuel Hydrogen...

358

Hydrogen | Open Energy Information  

Open Energy Info (EERE)

Hydrogen Jump to: navigation, search TODO: Add description Related Links List of Companies in Hydrogen Sector List of Hydrogen Incentives Hydrogen Energy Data Book Retrieved from...

359

H2A Delivery: GH2 and LH2 Forecourt Land Areas  

NLE Websites -- All DOE Office Websites (Extended Search)

GH2 and LH2 Forecourt GH2 and LH2 Forecourt GH2 and LH2 Forecourt Land Areas Land Areas Hydrogen Delivery Analysis Meeting May 8-9, 2007 Columbia, Maryland TIAX LLC Matthew Hooks 1601 S. D Anza Blvd. hooks.matthew@TIAXLLC.com Cupertino CA, 95014 Tel. 408-517-1550 Reference: D0348 © 2007 TIAX LLC General Assumptions ƒ Forecourt stations with fewer than 6 hydrogen dispensers will have both hydrogen and gasoline dispensers on-site (6 total) ƒ Forecourt area (not including convenience store) will be allocated based on relative number of hydrogen/gasoline dispensers ƒ All stations with more than 6 hydrogen dispensers will only dispense hydrogen ƒ 100% of forecourt area (not including convenience store) will be allocated to hydrogen delivery ƒ Area allocated to hydrogen storage will be in excess of the

360

Maximizing the Hydrogen Photoproduction Yields in Chlamydomonas Reinhardtii Cultures: The Effect of the H2 Partial Pressure  

Science Conference Proceedings (OSTI)

Photoproduction of H{sub 2} gas has been examined in sulfur/phosphorus-deprived Chalmydomonas reinhardtii cultures, placed in photobioreactors (PhBRs) with different gas phase to liquid phase ratios (V{sub g.p.}/V{sub l.p.}). The results demonstrate that an increase in the ratio stimulates H{sub 2} photoproduction activity in both algal suspension cultures and in algae entrapped in thin alginate films. In suspension cultures, a 4x increase (from {approx}0.5 to {approx}2) in V{sub g.p.}/V{sub l.p} results in a 2x increase (from 10.8 to 23.1 mmol l{sup -1} or 264-565 ml l{sup -1}) in the total yield of H{sub 2} gas. Remarkably, 565 ml of H{sub 2} gas per liter of the suspension culture is the highest yield ever reported for a wild-type strain in a time period of less than 190 h. In immobilized algae, where diffusion of H{sub 2} from the medium to the PhBR gas phase is not affected by mixing, the maximum rate and yield of H{sub 2} photoproduction occur in PhBRs with V{sub g.p.}/V{sub l.p} above 7 or in a PhBR with smaller headspace, if the H{sub 2} is effectively removed from the medium by continuous flushing of the headspace with argon. These experiments in combination with studies of the direct inhibitory effect of high H{sub 2} concentrations in the PhBR headspace on H{sub 2} photoproduction activity in algal cultures clearly show that H{sub 2} photoproduction in algae depends significantly on the partial pressure of H{sub 2} (not O{sub 2} as previously thought) in the PhBR gas phase.

Kosourov, S. N.; Batyrova, K. A.; Petushkova, E. P.; Tsygankov, A. A.; Ghirardi, M. L.; Seibert, M.

2012-05-01T23:59:59.000Z

Note: This page contains sample records for the topic "h2 hydrogen hungary" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


361

Evaluation of Thiosulfate as a Substitute for H2S in Sour Corrosion ...  

Science Conference Proceedings (OSTI)

Environmentally Assisted Cracking of Carbon Steel in High Temperature Geothermal Well Evaluation of the Susceptibility to Hydrogen Assisted Cracking in...

362

Hydrogen production  

SciTech Connect

The production of hydrogen by reacting an ash containing material with water and at least one halogen selected from the group consisting of chlorine, bromine and iodine to form reaction products including carbon dioxide and a corresponding hydrogen halide is claimed. The hydrogen halide is decomposed to separately release the hydrogen and the halogen. The halogen is recovered for reaction with additional carbonaceous materials and water, and the hydrogen is recovered as a salable product. In a preferred embodiment the carbonaceous material, water and halogen are reacted at an elevated temperature. In accordance with another embodiment, a continuous method for the production of hydrogen is provided wherein the carbonaceous material, water and at least one selected halogen are reacted in one zone, and the hydrogen halide produced from the reaction is decomposed in a second zone, preferably by electrolytic decomposition, to release the hydrogen for recovery and the halogen for recycle to the first zone. There also is provided a method for recovering any halogen which reacts with or is retained in the ash constituents of the carbonaceous material.

Darnell, A.J.; Parkins, W.E.

1978-08-08T23:59:59.000Z

363

Hydrogen Bibliography  

DOE Green Energy (OSTI)

The Hydrogen Bibliography is a compilation of research reports that are the result of research funded over the last fifteen years. In addition, other documents have been added. All cited reports are contained in the National Renewable Energy Laboratory (NREL) Hydrogen Program Library.

Not Available

1991-12-01T23:59:59.000Z

364

Hydrogen Storage by Polylithiated Molecules and  

E-Print Network (OSTI)

We study polylithiated molecules as building blocks for hydrogen storage materials, using first-principles calculations. CLi4 and OLi2 bind 12 and 10 hydrogen molecules, respectively, with an average binding energy of 0.10 and 0.13 eV, leading to gravimetric densities of 37.8 and 40.3 weight % H. Bonding between Li and C or O is strongly polar and H2 molecules attach to the partially charged Li atoms without dissociating, which is favorable for (de)hydrogenation kinetics. CLin and OLim molecules can be chemically bonded to graphene sheets to hinder the aggregation of such molecules. In particular B or Be doped graphene strongly bind the molecules without seriously affecting the hydrogen binding energy. It still leads to a hydrogen storage capacity in the range 5-8.5 wt. % H.

Sleyman Er; Gilles A. De Wijs; Geert Brocks

2009-01-01T23:59:59.000Z

365

HYDROGEN TECHNOLOGY RESEARCH AT THE SAVANNAH RIVER NATIONAL LABORATORY, CENTER FOR HYDROGEN RESEARCH, AND THE HYDROGEN TECHNOLOGY RESEARCH LABORATORY  

DOE Green Energy (OSTI)

The Savannah River National Laboratory (SRNL) is a U.S. Department of Energy research and development laboratory located at the Savannah River Site (SRS) near Aiken, South Carolina. SRNL has over 50 years of experience in developing and applying hydrogen technology, both through its national defense activities as well as through its recent activities with the DOE Hydrogen Programs. The hydrogen technical staff at SRNL comprises over 90 scientists, engineers and technologists, and it is believed to be the largest such staff in the U.S. SRNL has ongoing R&D initiatives in a variety of hydrogen storage areas, including metal hydrides, complex hydrides, chemical hydrides and carbon nanotubes. SRNL has over 25 years of experience in metal hydrides and solid-state hydrogen storage research, development and demonstration. As part of its defense mission at SRS, SRNL developed, designed, demonstrated and provides ongoing technical support for the largest hydrogen processing facility in the world based on the integrated use of metal hydrides for hydrogen storage, separation and compression. The SRNL has been active in teaming with academic and industrial partners to advance hydrogen technology. A primary focus of SRNL's R&D has been hydrogen storage using metal and complex hydrides. SRNL and its Hydrogen Technology Laboratory have been very successful in leveraging their defense infrastructure, capabilities and investments to help solve this country's energy problems. Many of SRNL's programs support dual-use applications. SRNL has participated in projects to convert public transit and utility vehicles for operation on hydrogen fuel. Two major projects include the H2Fuel Bus and an Industrial Fuel Cell Vehicle (IFCV) also known as the GATOR{trademark}. Both of these projects were funded by DOE and cost shared by industry. These are discussed further in Section 3.0, Demonstration Projects. In addition to metal hydrides technology, the SRNL Hydrogen group has done extensive R&D in other hydrogen technologies, including membrane filters for H2 separation, doped carbon nanotubes, storage vessel design and optimization, chemical hydrides, hydrogen compressors and hydrogen production using nuclear energy. Several of these are discussed further in Section 2, SRNL Hydrogen Research and Development.

Danko, E

2007-02-26T23:59:59.000Z

366

Hydrogen Infrastructure Strategies  

NLE Websites -- All DOE Office Websites (Extended Search)

Assuming Rapid Implementation of H 2 FCVs (10 Million2025) * H 2 FCVs come down learning curve once they make up a few % of LDV fleet (10+ years after introduction) * H 2...

367

Microsoft Word - H2 National Release 2.doc | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

- H2 National Release 2.doc More Documents & Publications Ammendment 2.doc Microsoft Word - PressReleaseSiting2-8-06Final.doc Microsoft Word - Second ITER Council Press Release...

368

CO2/H2O Exchange Reactions in Hydrated Silicates Subjected to ...  

Science Conference Proceedings (OSTI)

For example the reaction: Ca(OH)2(s) + CO2(g) --> CaCO3 (s) + H2O(l) is ... High Temperature Co-electrolysis of Steam and Carbon Dioxide through Solid...

369

Raman Lidar Measurements during the International H2O Project. Part I: Instrumentation and Analysis Techniques  

Science Conference Proceedings (OSTI)

The NASA Goddard Space Flight Center (GSFC) Scanning Raman Lidar (SRL) participated in the International H2O Project (IHOP), which occurred in May and June 2002 in the midwestern part of the United States. The SRL received extensive optical ...

D. N. Whiteman; B. Demoz; K. Rush; G. Schwemmer; B. Gentry; P. Di Girolamo; J. Comer; I. Veselovskii; K. Evans; S. H. Melfi; Z. Wang; M. Cadirola; B. Mielke; D. Venable; T. Van Hove

2006-02-01T23:59:59.000Z

370

Low Cost High-H2 Syngas Production for Power and Liquid Fuels  

NLE Websites -- All DOE Office Websites (Extended Search)

Low Cost High-H2 Syngas Production for Power and Liquid Fuels Gas Technology Institute (GTI) Project Number: FE0011958 Project Description Proof-of-concept of a metal-polymeric...

371

Simultaneous H2 purification and CO2 capture in a post-gasifier membrane reactor  

DOE Green Energy (OSTI)

NETL envisions that the gasification of carbonaceous feedstocks may be the near- to mid-term sources of hydrogen for the transition to a renewable, hydrogen-based economy. However, the environmental impacts associated with the generation and emission of greenhouses gases from the gasification process remains a substantial concern. Therefore, NETL has devoted substantial resources towards the identification of efficient hydrogen separation and carbon capture/sequestration technologies. Hydrogen membranes integrated into a water-gas shift membrane reactor have been identified as a promising means of maximizing the production of pure hydrogen while simultaneously yielding a high-pressure, concentrated CO2 containing stream ready for sequestration.

Morreale, B.D.; Howard, B.H.; Killmeyer, R.P.; Taylor, C.E.; Iyoha, O.; Ciocco, M.V.

2007-03-01T23:59:59.000Z

372

DOE Hydrogen, Fuel Cells and Infrastructure Technologies Program Integrated Hydrogen Production, Purification and Compression System  

Science Conference Proceedings (OSTI)

The project was started in April 2005 with the objective to meet the DOE target of delivered hydrogen of learning and demonstrate at a commercial site; and Task 4: Complete final product design for mass manufacturing units capable of achieving DOE 2010 H2 cost and performance targets.

Tamhankar, Satish; Gulamhusein, Ali; Boyd, Tony; DaCosta, David; Golben, Mark

2011-06-30T23:59:59.000Z

373

SAVANNAH RIVER NATIONAL LABORATORY HYDROGEN TECHNOLOGY RESEARCH  

DOE Green Energy (OSTI)

The Savannah River National Laboratory (SRNL) is a U.S. Department of Energy research and development laboratory located at the Savannah River Site (SRS) near Aiken, South Carolina. SRNL has over 50 years of experience in developing and applying hydrogen technology, both through its national defense activities as well as through its recent activities with the DOE Hydrogen Programs. The hydrogen technical staff at SRNL comprises over 90 scientists, engineers and technologists, and it is believed to be the largest such staff in the U.S. SRNL has ongoing R&D initiatives in a variety of hydrogen storage areas, including metal hydrides, complex hydrides, chemical hydrides and carbon nanotubes. SRNL has over 25 years of experience in metal hydrides and solid-state hydrogen storage research, development and demonstration. As part of its defense mission at SRS, SRNL developed, designed, demonstrated and provides ongoing technical support for the largest hydrogen processing facility in the world based on the integrated use of metal hydrides for hydrogen storage, separation, and compression. The SRNL has been active in teaming with academic and industrial partners to advance hydrogen technology. A primary focus of SRNL's R&D has been hydrogen storage using metal and complex hydrides. SRNL and its Hydrogen Technology Research Laboratory have been very successful in leveraging their defense infrastructure, capabilities and investments to help solve this country's energy problems. SRNL has participated in projects to convert public transit and utility vehicles for operation using hydrogen fuel. Two major projects include the H2Fuel Bus and an Industrial Fuel Cell Vehicle (IFCV) also known as the GATOR{trademark}. Both of these projects were funded by DOE and cost shared by industry. These are discussed further in Section 3.0, Demonstration Projects. In addition to metal hydrides technology, the SRNL Hydrogen group has done extensive R&D in other hydrogen technologies, including membrane filters for H2 separation, doped carbon nanotubes, storage vessel design and optimization, chemical hydrides, hydrogen compressors and hydrogen production using nuclear energy. Several of these are discussed further in Section 2, SRNL Hydrogen Research and Development.

Danko, E

2008-02-08T23:59:59.000Z

374

Sustained H2 Production Driven by Photosynthetic Water Splitting in a Unicellular Cyanobacterium  

Science Conference Proceedings (OSTI)

Continuously illuminated nitrogen-deprived Cyanothece sp. ATCC 51142 evolved H2 via dinitrogenase at rates up to 400 ?molmg Chl-1h-1 in parallel with photosynthetic O2 production. Notably, sustained co-production of H2 and O2 occurred over 100 h in the presence of CO2, with both gases displaying inverse oscillations which eventually dampened to stable rates. Oscillations were not observed when CO2 was omitted, while H2 and O2 evolution rates were positively correlated. In situ light saturation analyses of H2 production displayed dose-dependence and lack of O2 inhibition. Inactivation of photosystem II had substantial long-term effects but did not affect the short-term H2 production indicating that the process is also supported by photosystem I activity and oxidation of endogenous glycogen. Collectively, our results demonstrate that uninterrupted H2 production in unicellular diazotrophic cyanobacteria can be fueled by water photolysis without the detrimental effects of O2 and have important implications for sustainable production of biofuels.

Melnicki, Matthew R.; Pinchuk, Grigoriy E.; Hill, Eric A.; Kucek, Leo A.; Fredrickson, Jim K.; Konopka, Allan; Beliaev, Alex S.

2012-08-07T23:59:59.000Z

375

Inexpensive Delivery of Compressed Hydrogen with Advanced Vessel Technology  

NLE Websites -- All DOE Office Websites (Extended Search)

delivery of compressed hydrogen delivery of compressed hydrogen with advanced vessel technology Gene Berry Andrew Weisberg Salvador M. Aceves Lawrence Livermore National Laboratory (925) 422-0864 saceves@LLNL.GOV DOE and FreedomCar & Fuel Partnership Hydrogen Delivery and On-Board Storage Analysis Workshop Washington, DC January 25, 2006 LLNL is developing innovative concepts for efficient containment of hydrogen in light duty vehicles concepts may offer advantages for hydrogen delivery Conformable containers efficiently use available space in the vehicle. We are pursuing multiple approaches to conformability High Strength insulated pressure vessels extend LH 2 dormancy 10x, eliminate boiloff, and enable efficiencies of flexible refueling (compressed/cryogenic H 2 /(L)H 2 ) The PVT properties of H

376

Base fluid and temperature effects on the heat transfer characteristics of SiC in ethylene glycol/H2O and H2O nanofluids  

NLE Websites -- All DOE Office Websites (Extended Search)

JOURNAL OF APPLIED PHYSICS 109, 014914 JOURNAL OF APPLIED PHYSICS 109, 014914 (2011) Base fluid and temperature effects on the heat transfer characteristics of SiC in ethylene glycol/H 2 O and H 2 O nanofluids Elena V. Timofeeva, 1,a) Wenhua Yu, 1 David M. France, 2 Dileep Singh, 3 and Jules L. Routbort 1 1 Energy Systems Division, Argonne National Laboratory, Argonne, Illinois 60439, USA 2 Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, 842 W. Taylor St. (m/c 251), Chicago, Illinois 60607-7022, USA 3 Nuclear Engineering Division, Argonne National Laboratory, Argonne, Illinois 60439, USA (Received 27 July 2010; accepted 30 October 2010; published online 11 January 2011) Experimental data are presented for the thermal conductivity, viscosity, and turbulent flow

377

Evaluation of the Role of Water in the H2 Bond Formation by Ni(II)-based Electrocatalysts  

SciTech Connect

We investigate the role of water in the H-H bond formation by a family of nickel molecular catalysts that exhibit high rates for H2 production in acetonitrile solvent. A key feature leading to the high reactivity is the Lewis acidity of the Ni(II) center and pendant amines in the diphosphine ligand that function as Lewis bases, facilitating H-H bond formation or cleavage. Significant increases in the rate of H2 production have been reported in the presence of added water. Our calculations show that molecular water can displace an acetonitrile solvent molecule in the first solvation shell of the metal. One or two water molecules can also participate in shuttling a proton that can combine with a metal hydride to form the H-H bond. However the participation of the water molecules does not lower the barrier to H-H bond formation. Thus these calculations suggest that the rate increase due to water in these electrocatalysts is not associated with the elementary step of H-H bond formation or cleavage, but rather with the proton delivery steps. We attribute the higher barrier in the H-H bond formation in the presence of water to a decrease in direct interaction between the protic and hydridic hydrogen atoms forced by the water molecules. This research was supported as part of the Center for Molecular Electrocatalysis, an Energy Frontier Research Center funded by the US Department of Energy, Office of Science, Office of Basic Energy Sciences. Computational resources were provided at W. R. Wiley Environmental Molecular Science Laboratory - Pacific Northwest National Laboratory, the National Energy Research Scientific Computing Center (NERSC) at Lawrence Berkeley National Laboratory, and the Jaguar supercomputer at Oak Ridge National Laboratory.

Ho, Ming-Hsun; Raugei, Simone; Rousseau, Roger J.; Dupuis, Michel; Bullock, R. Morris

2013-07-17T23:59:59.000Z

378

The Molecular Hydrogen Deficit in Gamma-Ray Burst Afterglows  

E-Print Network (OSTI)

Recent analysis of five gamma-ray burst (GRB) afterglow spectra reveal the absence of molecular hydrogen absorption lines, a surprising result in light of their large neutral hydrogen column densities and the detection of H$_2$ in similar, more local star-forming regions like 30 Doradus in the Large Magellanic Cloud (LMC). Observational evidence further indicates that the bulk of the neutral hydrogen column in these sight lines lies 100 pc beyond the progenitor and that H$_2$ was absent prior to the burst, suggesting that direct flux from the star, FUV background fields, or both suppressed its formation. We present one-dimensional radiation hydrodynamical models of GRB host galaxy environments, including self-consistent radiative transfer of both ionizing and Lyman-Werner photons, nine-species primordial chemistry with dust formation of H$_2$, and dust extinction of UV photons. We find that a single GRB progenitor is sufficient to ionize neutral hydrogen to distances of 50 - 100 pc but that a galactic Lyman-Werner background is required to dissociate the molecular hydrogen in the ambient ISM. Intensities of 0.1 - 100 times the Galactic mean are necessary to destroy H$_2$ in the cloud, depending on its density and metallicity. The minimum radii at which neutral hydrogen will be found in afterglow spectra is insensitive to the mass of the progenitor or the initial mass function (IMF) of its cluster, if present.

Daniel Whalen; Jason X. Prochaska; Alexander Heger; Jason Tumlinson

2008-02-06T23:59:59.000Z

379

Agenda for the Derived Liquids to Hydrogen Distributed Reforming Working Group (BILIWG) Hydrogen Production Technical Team Research Review  

NLE Websites -- All DOE Office Websites (Extended Search)

& Hydrogen Production Technical Team Research Review Agenda for Tuesday, November 6, 2007 Location: BCS Incorporated, 8929 Stephens Road, Laurel, MD. 20723 410-997-7778 8:30 - 9:00 Continental Breakfast 9:00 DOE Targets, Tools and Technology o Bio-Derived Liquids to Hydrogen Distributed Reforming Targets DOE, Arlene Anderson o H2A Overview, NREL, Darlene Steward o Bio-Derived Liquids to Hydrogen Distributed Reforming Cost Analysis DTI, Brian James 10:00 Research Review o Low-Cost Hydrogen Distributed Production Systems, H2Gen, Sandy Thomas o Integrated Short Contact Time Hydrogen Generator, GE Global Research, Wei Wei o Distributed Bio-Oil Reforming, NREL, Darlene Steward o High Pressure Steam Ethanol Reforming, ANL, Romesh Kumar

380

Hydrogen & Fuel Cells - Hydrogen - Hydrogen Storage  

NLE Websites -- All DOE Office Websites (Extended Search)

Hydrogen Storage Systems Modeling and Analysis Hydrogen Storage Systems Modeling and Analysis Several different approaches are being pursued to develop on-board hydrogen storage systems for light-duty vehicle applications. The different approaches have different characteristics, such as: the thermal energy and temperature of charge and discharge kinetics of the physical and chemical process steps involved requirements for the materials and energy interfaces between the storage system and the fuel supply system on one hand, and the fuel user on the other Other storage system design and operating parameters influence the projected system costs as well. Argonne researchers are developing thermodynamic, kinetic, and engineering models of the various hydrogen storage systems to understand the characteristics of storage systems based on these approaches and to evaluate their potential to meet the DOE targets for on-board applications. The DOE targets for 2015 include a system gravimetric capacity of 1.8 kWh/kg (5.5 wt%) and a system volumetric capacity of 1.3 kWh/L (40 g/L). We then use these models to identify significant component and performance issues, and evaluate alternative system configurations and design and operating parameters.

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We encourage you to perform a real-time search of NLEBeta
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381

DOE Hydrogen and Fuel Cells Program Record 13013: Hydrogen Delivery Cost Projections - 2013  

NLE Websites -- All DOE Office Websites (Extended Search)

3013 Date: September 26, 2013 3013 Date: September 26, 2013 Title: H 2 Delivery Cost Projections - 2013 Originator: E. Sutherland, A. Elgowainy and S. Dillich Approved by: R. Farmer and S. Satyapal Date: December 18, 2013 Item: Reported herein are past 2005 and 2011 estimates, current 2013 estimates, 2020 projected cost estimates and the 2015 and 2020 target costs for delivering and dispensing (untaxed) H 2 to 10%- 15% of vehicles within a city population of 1.2M from a centralized H 2 production plant located 100 km from the city gate. The 2011 volume cost estimates are based on the H2A Hydrogen Delivery Scenario Analysis Model (HDSAM) V2.3 projections and are employed as the basis for defining the cost and technical targets of delivery components in Table 3.2.4 in the 2012 Delivery

382

Hydrogen: Helpful Links & Contacts  

Science Conference Proceedings (OSTI)

Helpful Links & Contacts. Helpful Links. Hydrogen Information, Website. ... Contacts for Commercial Hydrogen Measurement. ...

2013-07-31T23:59:59.000Z

383

Prediction of Novel Hydrogen Storage Reactions  

NLE Websites -- All DOE Office Websites (Extended Search)

Kazutoshi Kazutoshi Miwa Computational Physics Lab. Toyota Central R&D Labs., Inc. Theory Focus Session on Hydrogen Storage Materials, 18 MAY 2006 Prediction of Novel Hydrogen Storage Reactions 0 40 80 120 160 200 0 5 10 15 20 mass%H kgH 2 NaBH 4 Li H MgH 2 MgCaH 3.7 Mg 2 FeH 6 (Ti,Cr,V)H 1.9 Mg 2 NiH 4 Zr(CrFe) 2 H 3.4 TiFeH 1.7 (Ti,Cr,V)H 1.1 LaNi 5 H 6 /m 3 Hydrogen storage alloys Complex hydrides LiBH 4 NaAlH 4 Mg(NH 2 ) 2 +4LiH 2003- NEDO project of "Development for Safe Utilization and Infrastructure of Hydrogen" LiNH 2 LiAlH 4 Hydrogen Storage Materials Target: 5.5 mass %, < 150℃ (2010), 9 mass % < 150 ℃ (2020) Lithium Borohydride, LiBH 4 Advantages ☆ light weight ☆ high capacity of hydrogen storage (14 mass %) Disadvantages ★ thermodynamically too stability (> 600 K) ★ poor reaction kinetics

384

Hydrogen Bond Rearrangements in Water Probed with Temperature-Dependent 2D IR  

E-Print Network (OSTI)

We use temperature-dependent two-dimensional infrared spectroscopy (2D IR) of dilute HOD in H2O to investigate hydrogen bond rearrangements in water. The OD stretching frequency is sensitive to its environment, and loss ...

Nicodemus, Rebecca A.

385

Knock behavior of a lean-burn hydrogen-enhanced engine concept  

E-Print Network (OSTI)

Experiments to identify the knock trends of lean gasoline-air mixtures, and such mixtures enhanced with hydrogen (H2) and carbon monoxide (CO), were performed on a single-cylinder research engine with boosting capability. ...

Topinka, Jennifer A. (Jennifer Ann), 1977-

2003-01-01T23:59:59.000Z

386

Lighting Up Enzymes for Solar Hydrogen Production (Fact Sheet)  

DOE Green Energy (OSTI)

Scientists at the National Renewable Energy Laboratory (NREL) have combined quantum dots, which are spherical nanoparticles that possess unique size-tunable photophysical properties, with the high substrate selectivity and fast turnover of hydrogenase enzymes to achieve light-driven hydrogen (H2) production. They found that quantum dots of cadmium telluride coated in carboxylic acids easily formed highly stable complexes with the hydrogenase and that these hybrid assemblies functioned to catalyze H2 production using the energy of sunlight.

Not Available

2011-02-01T23:59:59.000Z

387

Hydrogen ICE  

NLE Websites -- All DOE Office Websites (Extended Search)

Chevrolet Silverado 1500HD Hydrogen ICE 1 Conversion Vehicle Specifications Engine: 6.0 L V8 Fuel Capacity: 10.5 GGE Nominal Tank Pressure: 5,000 psi Seatbelt Positions: Five...

388

Hydrogen Production  

Fuel Cell Technologies Publication and Product Library (EERE)

This 2-page fact sheet provides a brief introduction to hydrogen production technologies. Intended for a non-technical audience, it explains how different resources and processes can be used to produ

389

Combustion Characteristics of Moist H2 and H2/CO Mixtures and In-situ Temperature and Species Measurements Using Mid-IR Absorption Spectroscopy in a New RCM.  

E-Print Network (OSTI)

??The title study investigates the combustion characteristics of moist H2/oxidizer and moist H2/CO/oxidizer mixtures. It involves experimental determination of laminar flame speeds with emphasis on (more)

Das, Apurba K.

2012-01-01T23:59:59.000Z

390

Final Report: Metal Perhydrides for Hydrogen Storage  

DOE Green Energy (OSTI)

Hydrogen is a promising energy source for the future economy due to its environmental friendliness. One of the important obstacles for the utilization of hydrogen as a fuel source for applications such as fuel cells is the storage of hydrogen. In the infrastructure of the expected hydrogen economy, hydrogen storage is one of the key enabling technologies. Although hydrogen possesses the highest gravimetric energy content (142 KJ/g) of all fuels, its volumetric energy density (8 MJ/L) is very low. It is desired to increase the volumetric energy density of hydrogen in a system to satisfy various applications. Research on hydrogen storage has been pursed for many years. Various storage technologies, including liquefaction, compression, metal hydride, chemical hydride, and adsorption, have been examined. Liquefaction and high pressure compression are not desired due to concerns related to complicated devices, high energy cost and safety. Metal hydrides and chemical hydrides have high gravimetric and volumetric energy densities but encounter issues because high temperature is required for the release of hydrogen, due to the strong bonding of hydrogen in the compounds. Reversibility of hydrogen loading and unloading is another concern. Adsorption of hydrogen on high surface area sorbents such as activated carbon and organic metal frameworks does not have the reversibility problem. But on the other hand, the weak force (primarily the van der Waals force) between hydrogen and the sorbent yields a very small amount of adsorption capacity at ambient temperature. Significant storage capacity can only be achieved at low temperatures such as 77K. The use of liquid nitrogen in a hydrogen storage system is not practical. Perhydrides are proposed as novel hydrogen storage materials that may overcome barriers slowing advances to a hydrogen fuel economy. In conventional hydrides, e.g. metal hydrides, the number of hydrogen atoms equals the total valence of the metal ions. One LiH molecule contains one hydrogen atom because the valence of a Li ion is +1. One MgH2 molecule contains two hydrogen atoms because the valence of a Mg ion is +2. In metal perhydrides, a molecule could contain more hydrogen atoms than expected based on the metal valance, i.e. LiH1+n and MgH2+n (n is equal to or greater than 1). When n is sufficiently high, there will be plenty of hydrogen storage capacity to meet future requirements. The existence of hydrogen clusters, Hn+ (n = 5, 7, 9, 11, 13, 15) and transition metal ion-hydrogen clusters, M+(H2)n (n = 1-6), such as Sc(H2)n+, Co(H2)n+, etc., have assisted the development of this concept. Clusters are not stable species. However, their existence stimulates our approach on using electric charges to enhance the hydrogen adsorption in a hydrogen storage system in this study. The experimental and modeling work to verify it are reported here. Experimental work included the generation of cold hydrogen plasma through a microwave approach, synthesis of sorbent materials, design and construction of lab devices, and the determination of hydrogen adsorption capacities on various sorbent materials under various electric field potentials and various temperatures. The results consistently show that electric potential enhances the adsorption of hydrogen on sorbents. NiO, MgO, activated carbon, MOF, and MOF and platinum coated activated carbon are some of the materials studied. Enhancements up to a few hundred percents have been found. In general, the enhancement increases with the electrical potential, the pressure applied, and the temperature lowered. Theoretical modeling of the hydrogen adsorption on the sorbents under the electric potential has been investigated with the density functional theory (DFT) approach. It was found that the interaction energy between hydrogen and sorbent is increased remarkably when an electric field is applied. This increase of binding energy offers a potential solution for DOE when looking for a compromise between chemisorption and physisorption for hydrogen storage. Bonding of chemisorption is too

Hwang, J-Y.; Shi, S.; Hackney, S.; Swenson, D.; Hu, Y.

2011-07-26T23:59:59.000Z

391

Removal of Hydrogen Sulfide in a Biotrickling Filter under Extremely Acidic Conditions  

Science Conference Proceedings (OSTI)

Hydrogen sulfide (H2S), an extremely corrosive and toxic gas, was commonly generated by urban treatment plants, gas and oil refineries, paper and pulp industries and so on. Biofiltration, which was considered as cost-effective and environment-friendly, ... Keywords: H2S, biotrickling filter, biodegradation, removal efficiency, elimination capacity

Jing Chen

2010-12-01T23:59:59.000Z

392

Low Cost Hydrogen Production Platform Robert B. Bollinger and Timothy M. Aaron  

E-Print Network (OSTI)

. Process Design The process used for this program will be a steam methane reformer (SMR) with a PSA. The overall goal of the program is to develop an on-site hydrogen generation system, based on steam methane re Natural Gas & Steam to Reformer Burner Stack Gases Condensate To Drain Reformer: CH4+H2O => CO+CO2+H2

393

Looking Ahead - Biofuels, H2, & Vehicles: 21st Industry Growth Forum  

DOE Green Energy (OSTI)

This presentation on the future of biofuels, hydrogen, and hybrid vehicles was presented at NREL's 21st Industry Growth Forum in Denver, Colorado, on October 28, 2008.

Gardner, D.

2008-10-28T23:59:59.000Z

394

Fuel Cell Technologies Office: MotorWeek H2 on the Horizon Video...  

NLE Websites -- All DOE Office Websites (Extended Search)

world's first tri-generation fuel cell produces hydrogen, heat, and electricity using biogas generated by the Orange County Sanitation District's waste water treatment facility....

395

Hydrogen Production Cost Estimate Using Biomass Gasification: Independent Review  

DOE Green Energy (OSTI)

This independent review is the conclusion arrived at from data collection, document reviews, interviews and deliberation from December 2010 through April 2011 and the technical potential of Hydrogen Production Cost Estimate Using Biomass Gasification. The Panel reviewed the current H2A case (Version 2.12, Case 01D) for hydrogen production via biomass gasification and identified four principal components of hydrogen levelized cost: CapEx; feedstock costs; project financing structure; efficiency/hydrogen yield. The panel reexamined the assumptions around these components and arrived at new estimates and approaches that better reflect the current technology and business environments.

Ruth, M.

2011-10-01T23:59:59.000Z

396

Evidence For The Production Of Slow Antiprotonic Hydrogen In Vacuum  

E-Print Network (OSTI)

We present evidence showing how antiprotonic hydrogen, the quasistable antiproton-proton (pbar-p) bound system, has been synthesized following the interaction of antiprotons with the hydrogen molecular ion (H2+) in a nested Penning trap environment. From a careful analysis of the spatial distributions of antiproton annihilation events, evidence is presented for antiprotonic hydrogen production with sub-eV kinetic energies in states around n=70, and with low angular momenta. The slow antiprotonic hydrogen may be studied using laser spectroscopic techniques.

N. Zurlo; M. Amoretti; C. Amsler; G. Bonomi; C. Carraro; C. L. Cesar; M. Charlton; M. Doser; A. Fontana; R. Funakoshi; P. Genova; R. S. Hayano; L. V. Jorgensen; A. Kellerbauer; V. Lagomarsino; R. Landua; E. Lodi Rizzini; M. Macr; N. Madsen; G. Manuzio; D. Mitchard; P. Montagna; L. G. Posada; H. Pruys; C. Regenfus; A. Rotondi; G. Testera; D. P. Van der Werf; A. Variola; L. Venturelli; Y. Yamazaki

2007-08-28T23:59:59.000Z

397

DOE Hydrogen and Fuel Cells Program: 2008 Annual Progress Report -  

NLE Websites -- All DOE Office Websites (Extended Search)

Education Education Printable Version 2008 Annual Progress Report IX. Education This section of the 2008 Progress Report for the DOE Hydrogen Program focuses on education. Each technical report is available as an individual Adobe Acrobat PDF. Download Adobe Reader. Education Sub-Program Overview, Christy Cooper, U.S. Department of Energy (PDF 181 KB) Hydrogen Knowledge and Opinions Assessment, Rick Schmoyer, Oak Ridge National Laboratory (PDF 257 KB) Hydrogen Safety: First Responder Education, Marylynn Placet, Pacific Northwest National Laboratory (PDF 270 KB) Hydrogen Education for Code Officials, Melanie Caton, National Renewable Energy Laboratory (PDF 261 KB) Increasing "H2IQ": A Public Information Program , Henry Gentenaar, The Media Network (PDF 70 KB)

398

Measurements for Hydrogen Storage Materials  

Science Conference Proceedings (OSTI)

Measurements for Hydrogen Storage Materials. Summary: ... Hydrogen is promoted as petroleum replacement in the Hydrogen Economy. ...

2013-07-02T23:59:59.000Z

399

Cowlitz County PUD - H2 AdvantagePlus Residential Heat Pump Program |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Cowlitz County PUD - H2 AdvantagePlus Residential Heat Pump Program Cowlitz County PUD - H2 AdvantagePlus Residential Heat Pump Program Cowlitz County PUD - H2 AdvantagePlus Residential Heat Pump Program < Back Eligibility Residential Savings Category Heating & Cooling Commercial Heating & Cooling Heat Pumps Program Info State District of Columbia Program Type Utility Rebate Program Rebate Amount Heat Pumps: $450 - $1,800 Conversion from Electric Forced Air Furnace: $1,400 - $1,900 Duct Sealing: $50 - $350 Heat Pump Controls: $300 Provider Cowlitz County Public Utility District Cowlitz County PUD will provide rebates to customer homeowners who have a PUD-qualified heat pump dealer upgrade their heating system with the installation of a premium efficiency heat pump system, in accordance with the PUD's rigid set of installation standards, and who upgrade their

400

Mouse Strain-Dependent Variations in Sensitivity to Induction of Gamma-H2AX  

NLE Websites -- All DOE Office Websites (Extended Search)

Mouse Strain-Dependent Variations in Sensitivity to Induction of Gamma-H2AX Mouse Strain-Dependent Variations in Sensitivity to Induction of Gamma-H2AX Foci after Continuous Low Dose-Rate Irradiation: The Atm-/- vs Atm +/+ genotypes on Balb/c, 129S6, C57BL/6J, and A/J inbred strains J.R. Brogan Colorado State University Abstract We have recently developed a ‘low dose rate’ gamma-H2AX assay that is sufficiently sensitive to distinguish differences in response for cells from normal Atm +/+ (mouse) or ATM+/+ (human) and the phenotypes associated with the corresponding heterozygous genotypes(1, 2). The assay is also capable of distinguishing mild hypersensitivities for cells from an appreciable proportion of apparently normal individuals(3). We used this assay to determine whether the genetic background of four commonly used

Note: This page contains sample records for the topic "h2 hydrogen hungary" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


401

U.S. National Hydrogen Energy Roadmap | Open Energy Information  

Open Energy Info (EERE)

U.S. National Hydrogen Energy Roadmap U.S. National Hydrogen Energy Roadmap Jump to: navigation, search Tool Summary LAUNCH TOOL Name: U.S. National Hydrogen Energy Roadmap Agency/Company /Organization: United States Department of Energy Sector: Energy Focus Area: Renewable Energy, Hydrogen Resource Type: Guide/manual Website: hydrogendoedev.nrel.gov/pdfs/national_h2_roadmap.pdf References: U.S. National Hydrogen Energy Roadmap[1] Overview "This Roadmap is neither a government research and development plan nor an industrial commercialization plan. Rather, it explores the wide range of activities required to realize hydrogen's potential in solving U.S. energy security, diversity, and environmental needs. It is intended to inspire the organizations that invest in hydrogen energy systems-public

402

Controlled Hydrogen Fleet and Infrastructure Demonstration and Validation Project  

NLE Websites -- All DOE Office Websites (Extended Search)

Workshop: Workshop: Compressed Natural Gas and Hydrogen Fuels: Lessons Learned for the Safe Deployment of Vehicles December 11, 2009 John Garbak, Todd Ramsden Keith Wipke, Sam Sprik, Jennifer Kurtz Controlled Hydrogen Fleet and Infrastructure Demonstration and Validation Project National Renewable Energy Laboratory 2 Innovation for Our Energy Future Fuel Cell Vehicle Learning Demonstration Project Objectives and Targets * Objectives - Validate H 2 FC Vehicles and Infrastructure in Parallel - Identify Current Status and Evolution of the Technology - Objectively Assess Progress Toward Technology Readiness - Provide Feedback to H 2 Research and Development Photo: NREL Solar Electrolysis Station, Sacramento, CA Performance Measure

403

High-bandwidth Modulation of H2/Syngas Fuel to Control Combustion Dynamics in Micro-Mixing Lean Premix Systems  

SciTech Connect

The goal of this program was to develop and demonstrate fuel injection technologies that will facilitate the development of cost-effective turbine engines for Integrated Gasification Combined Cycle (IGCC) power plants, while improving efficiency and reducing emissions. The program involved developing a next-generation multi-point injector with enhanced stability performance for lean premix turbine systems that burn hydrogen (H2) or synthesis gas (syngas) fuels. A previously developed injector that demonstrated superior emissions performance was improved to enhance static flame stability through zone staging and pilot sheltering. In addition, piezo valve technology was implemented to investigate the potential for enhanced dynamic stability through high-bandwidth modulation of the fuel supply. Prototype injector and valve hardware were tested in an atmospheric combustion facility. The program was successful in meeting its objectives. Specifically, the following was accomplished: Demonstrated improvement of lean operability of the Parker multi-point injector through staging of fuel flow and primary zone sheltering; Developed a piezo valve capable of proportional and high-bandwidth modulation of gaseous fuel flow at frequencies as high as 500 Hz; The valve was shown to be capable of effecting changes to flame dynamics, heat release, and acoustic signature of an atmospheric combustor. The latter achievement indicates the viability of the Parker piezo valve technology for use in future adaptively controlled systems for the mitigation of combustion instabilities, particularly for attenuating combustion dynamics under ultra-lean conditions.

Jeff Melzak; Tim Lieuwen; Adel Mansour

2012-01-31T23:59:59.000Z

404

Storing Hydrogen  

DOE Green Energy (OSTI)

Researchers have been studying mesoporous materials for almost two decades with a view to using them as hosts for small molecules and scaffolds for molding organic compounds into new hybrid materials and nanoparticles. Their use as potential storage systems for large quantities of hydrogen has also been mooted. Such systems that might hold large quantities of hydrogen safely and in a very compact volume would have enormous potential for powering fuel cell vehicles, for instance. A sponge-like form of silicon dioxide, the stuff of sand particles and computer chips, can soak up and store other compounds including hydrogen. Studies carried out at the XOR/BESSRC 11-ID-B beamline at the APS have revealed that the nanoscopic properties of the hydrogenrich compound ammonia borane help it store hydrogen more efficiently than usual. The material may have potential for addressing the storage issues associated with a future hydrogen economy. Pacific Northwest National Laboratory is operated by Battelle for the US Department of Energy.

Kim, Hyun Jeong; Karkamkar, Abhijeet J.; Autrey, Thomas; Chupas, Peter; Proffen, Thomas E.

2010-05-31T23:59:59.000Z

405

Hydrogen Piping Experience in Chevron Refining  

NLE Websites -- All DOE Office Websites (Extended Search)

Piping Piping Experience in Chevron Refining Ned Niccolls Materials Engineer Chevron Energy Technology Company Hydrogen Pipeline Working Group Workshop August 30-31, 2005 Outline 2 Overall perspectives from long term use of hydrogen piping in refining. Piping specifications and practices. The (few) problem areas. Related industry work: American Petroleum Institute corrosion and materials work on high temperature hydrogen attack. Overall Perspectives 3 Few problems with hydrogen piping operating at ambient to at least 800F and pressures up to at least 3000psia as long as we stay within well- defined limits H2S contamination presents many more problems, beyond the scope of this talk We will note a couple of specific vulnerabilities Refining tracks materials performance in

406

H2A.Z Acidic Patch Couples Chromatin Dynamics to Regulation of Gene Expression Programs during ESC Differentiation  

E-Print Network (OSTI)

The histone H2A variant H2A.Z is essential for embryonic development and for proper control of developmental gene expression programs in embryonic stem cells (ESCs). Divergent regions of amino acid sequence of H2A.Z likely ...

Subramanian, Vidya

407

Economic Analysis of Hydrogen Energy Station Concepts: Are "H 2E-Stations" a Key Link to a Hydrogen Fuel Cell Vehicle Infrastructure?  

E-Print Network (OSTI)

Economic Implications of Net Metering for Stationary andand sales prices (or net-metering credit rates), thus

Lipman, Timothy E.; Edwards, Jennifer L.; Kammen, Daniel M.

2002-01-01T23:59:59.000Z

408

Overview of Hydrogen and Fuel Cells  

NLE Websites -- All DOE Office Websites (Extended Search)

gov gov Overview of Hydrogen and Fuel Cells FUEL CELL TECHNOLOGIES PROGRAM National Academy of Sciences Committee on Transition to Alternative Vehicles and Fuels Dr. Sunita Satyapal Program Manager Fuel Cell Technologies Program U.S. Department of Energy 3/22/2011 2 | Fuel Cell Technologies Program Source: US DOE 3/3/2011 eere.energy.gov Global Market Overview International Landscape favors H 2 & Fuel Cells * Germany (>$1.2B; 1,000 H 2 stations) * European Commission (>$1.2B, 2008-2013) * Japan (2M vehicles, 1,000 H 2 stations by 2025) * South Korea (plans to produce 20% of world shipments & create 560,000 jobs in Korea) * China (thousands of small units; 70 FCVs, buses, 100 shuttles at World Expo, Olympics) * Subsidies for jobs, manufacturing, deployments

409

Hydrogen Isotope Exchange Properties of Porous Solids Containing Hydrogen  

Science Conference Proceedings (OSTI)

Porous solids such as activated alumina, silica and molecular sieves generally contain significant amounts of hydrogen atoms in the form of H2O or OH even at high temperature and low humidity environment. A significant amount of this hydrogen is available for reversible isotopic exchange. This exchange reaction is slow under normal conditions and does not render itself to practical applications. But if the exchange kinetics is improved this reaction has the potential to be used for tritium removal from gas streams or for hydrogen isotopic separation.The use of catalysts to improve the exchange kinetics between hydrogen isotope in the gas phase and that in the solid phase was investigated. Granules of alumina, silica and molecular sieve were coated with platinum or palladium as the catalyst. The granules were packed in a 2-cm diameter column for isotope exchange tests. Gas streams containing different concentrations of deuterium in nitrogen or argon were fed through the protium saturated column. Isotope concentration in column effluent was monitored to generate isotope break-through curves. The curves were analyzed to produce information on the kinetics and capacity of the material. The results showed that all materials tested provided some extent of isotope exchange but some were superior both in kinetics and capacity. This paper will present the test results.

HEUNG, LEUNGK.

2004-08-18T23:59:59.000Z

410

[FeFe]-Hydrogenase-Catalyzed H2 Production in a Photoelectrochemical Biofuel Cell  

SciTech Connect

The Clostridium acetobutylicum [FeFe]-hydrogenase HydA has been investigated as a hydrogen production catalyst in a photoelectrochemical biofuel cell. Hydrogenase was adsorbed to pyrolytic graphite edge and carbon felt electrodes. Cyclic voltammograms of the immobilized hydrogenase films reveal cathodic proton reduction and anodic hydrogen oxidation, with a catalytic bias toward hydrogen evolution. When corrected for the electrochemically active surface area, the cathodic current densities are similar for both carbon electrodes, and 40% of those obtained with a platinum electrode. The high surface area carbon felt/hydrogenase electrode was subsequently used as the cathode in a photoelectrochemical biofuel cell. Under illumination, this device is able to oxidize a biofuel substrate and reduce protons to hydrogen. Similar photocurrents and hydrogen production rates were observed in the photoelectrochemical biofuel cell using either hydrogenase or platinum cathodes.

Hambourger, M.; Gervaldo, M.; Svedruzic, D.; King, P. W.; Gust, D.; Ghirardi, M.; Moore, A. L.; Moore, T. A.

2008-01-01T23:59:59.000Z

411

Analysis of H2 storage needs for early market non-motive fuel cell applications.  

DOE Green Energy (OSTI)

Hydrogen fuel cells can potentially reduce greenhouse gas emissions and the United States dependence on foreign oil, but issues with hydrogen storage are impeding their widespread use. To help overcome these challenges, this study analyzes opportunities for their near-term deployment in five categories of non-motive equipment: portable power, construction equipment, airport ground support equipment, telecom backup power, and man-portable power and personal electronics. To this end, researchers engaged end users, equipment manufacturers, and technical experts via workshops, interviews, and electronic means, and then compiled these data into meaningful and realistic requirements for hydrogen storage in specific target applications. In addition to developing these requirements, end-user benefits (e.g., low noise and emissions, high efficiency, potentially lower maintenance costs) and concerns (e.g., capital cost, hydrogen availability) of hydrogen fuel cells in these applications were identified. Market data show potential deployments vary with application from hundreds to hundreds of thousands of units.

Johnson, Terry Alan; Moreno, Marcina; Arienti, Marco; Pratt, Joseph William; Shaw, Leo; Klebanoff, Leonard E.

2012-03-01T23:59:59.000Z

412

Nano Structured Activated Carbon for Hydrogen Storge  

Science Conference Proceedings (OSTI)

Development of a nanostructured synthetic carbons materials that have been synthesized by thermal-decomposition of aromatic rich polyether such as poly(ether ether ketone) (PEEK) is reported. These polymers based nanostructured carbons efficacious for gas adsorption and storage and have Brunauer-Emmett-Teller (BET) surface area of more than 3000 m2/g, and with average pore diameter of carbonization temperatures, and the correlation between the activation and carbonization temperatures provides a mechanistic perspective of the pore evolution during activation. Correlations between gas (N2 and H2) adsorption capacity and porous texture of the materials have been established. The materials possess excellent hydrogen storage properties, with hydrogen storage capacity up to 7.4 wt% (gravimetric) and ~ 45 g H2 L-1 (volumetric) at -196oC and 6.0 MPa.

Israel Cabasso; Youxin Yuan

2013-02-27T23:59:59.000Z

413

Hydrogen Vehicles: Impacts of DOE Technical Targets on Market Acceptance and Societal Benefits  

Science Conference Proceedings (OSTI)

Hydrogen vehicles (H2V), including H2 internal combustion engine, fuel cell and fuel cell plugin hybrid, could greatly reduce petroleum consumption and greenhouse gas (GHG) emissions in the transportation sector. The U.S. Department of Energy has adopted targets for vehicle component technologies to address key technical barriers towidespread commercialization of H2Vs. This study estimates the market acceptance of H2Vs and the resulting societal benefits and subsidy in 41 scenarios that reflect a wide range of progress in meeting these technical targets. Important results include: (1) H2Vs could reach 20e70% market shares by 2050, depending on progress in achieving the technical targets.With a basic hydrogen infrastructure (w5% hydrogen availability), the H2V market share is estimated to be 2e8%. Fuel cell and hydrogen costs are the most important factors affecting the long-term market shares of H2Vs. (2) Meeting all technical targets on time could result in about an 80% cut in petroleumuse and a 62% (or 72% with aggressive electricity de-carbonization) reduction in GHG in 2050. (3) The required hydrogen infrastructure subsidy is estimated to range from $22 to $47 billion and the vehicle subsidy from $4 to $17 billion. (4) Long-term H2V market shares, societal benefits and hydrogen subsidies appear to be highly robust against delay in one target, if all other targets are met on time. R&D diversification could provide insurance for greater societal benefits. (5) Both H2Vs and plug-in electric vehicles could exceed 50% market shares by 2050, if all targets are met on time. The overlapping technology, the fuel cell plug-in hybrid electric vehicle, appears attractive both in the short and long runs, but for different reasons.

Lin, Zhenhong [ORNL; Dong, Jing [Iowa State University; Greene, David L [ORNL

2013-01-01T23:59:59.000Z

414

Molecular hydrogen in damped Ly-alpha systems: clues to interstellar physics at high-redshift  

E-Print Network (OSTI)

In order to interpret H2 (molecular hydrogen) quasar absorption line observations of damped Ly-alpha systems (DLAs) and sub-DLAs, we model their H2 abundance as a function of dust-to-gas ratio, including H2 self-shielding and dust extinction against dissociating photons. Then, we constrain the physical state of gas by using H2 data. Using H2 excitation data for DLA with H2 detections, we derive a gas density 1.5 gas ratio of the sample is naturally explained by the above conditions. However, it is still possible that H2 deficient DLAs and sub-DLAs with H2 fractions less than ~ 10^-6 are in a more diffuse and warmer state. The efficient photodissociation by the internal UV radiation field explains the extremely small H2 fraction (gas ratio in units of the Galactic value); H2 self-shielding causes a rapid increase and the large variations of H2 abundance for \\kappa > 1/30. We finally propose an independent method to estimate the star formation rates of DLAs from H2 abundances; such rates are then critically compared with those derived from other proposed methods. The implications for the contribution of DLAs to the cosmic star formation history are briefly discussed.

H. Hirashita; A. Ferrara

2004-11-10T23:59:59.000Z

415

FCT Hydrogen Production: Contacts  

NLE Websites -- All DOE Office Websites (Extended Search)

Contacts to someone by E-mail Share FCT Hydrogen Production: Contacts on Facebook Tweet about FCT Hydrogen Production: Contacts on Twitter Bookmark FCT Hydrogen Production:...

416

Hydrogen Technologies Group  

DOE Green Energy (OSTI)

The Hydrogen Technologies Group at the National Renewable Energy Laboratory advances the Hydrogen Technologies and Systems Center's mission by researching a variety of hydrogen technologies.

Not Available

2008-03-01T23:59:59.000Z

417

Hydrogen Transition Infrastructure Analysis  

DOE Green Energy (OSTI)

Presentation for the 2005 U.S. Department of Energy Hydrogen Program review analyzes the hydrogen infrastructure needed to accommodate a transitional hydrogen fuel cell vehicle demand.

Melendez, M.; Milbrandt, A.

2005-05-01T23:59:59.000Z

418

The Transition to Hydrogen  

E-Print Network (OSTI)

Prospects for Building a Hydrogen Energy Infrastructure,and James S. Cannon. The Hydrogen Energy Transition: Movingof Energy, National Hydrogen Energy Roadmap, November 2002.

Ogden, Joan

2005-01-01T23:59:59.000Z

419

Hydrogen SRNL Connection  

hydrogen storage. Why is Savannah River National Laboratory conducting hydrogen research and development? ... Both the Department of Energys hydrogen ...

420

FCT Hydrogen Storage: Contacts  

NLE Websites -- All DOE Office Websites (Extended Search)

Contacts to someone by E-mail Share FCT Hydrogen Storage: Contacts on Facebook Tweet about FCT Hydrogen Storage: Contacts on Twitter Bookmark FCT Hydrogen Storage: Contacts on...

Note: This page contains sample records for the topic "h2 hydrogen hungary" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


421

National Hydrogen Energy Roadmap  

NLE Websites -- All DOE Office Websites (Extended Search)

HYDROGEN ENERGY ROADMAP NATIONAL HYDROGEN ENERGY ROADMAP . . Toward a More Secure and Cleaner Energy Future for America Based on the results of the National Hydrogen Energy Roadmap...

422

National Hydrogen Energy Roadmap  

NLE Websites -- All DOE Office Websites (Extended Search)

NATIONAL HYDROGEN ENERGY ROADMAP NATIONAL HYDROGEN ENERGY ROADMAP . . Toward a More Secure and Cleaner Energy Future for America Based on the results of the National Hydrogen...

423

Agent-Based Modeling and Simulation for Hydrogen Transition Analysis  

NLE Websites -- All DOE Office Websites (Extended Search)

Agent Agent Agent - - Based Modeling Based Modeling and Simulation (ABMS) and Simulation (ABMS) for Hydrogen Transition for Hydrogen Transition Analysis Analysis Marianne Mintz Hydrogen Transition Analysis Workshop US Department of Energy January 26, 2006 Objectives and Scope for Phase 1 2 Analyze the hydrogen infrastructure development as a complex adaptive system using an agent-based modeling and simulation (ABMS) approach Develop an ABMS model to simulate the evolution of that system, spanning the entire H2 supply chain from production to consumption Identify key factors that either promote or inhibit the growth of H2 infrastructure Apply ABMS to get new insights into transition, particularly early transition phase - Dynamic interplay between supply and demand

424

Raman Lidar Measurements during the International H2O Project. Part II: Case Studies  

Science Conference Proceedings (OSTI)

The NASA GSFC Scanning Raman Lidar (SRL) participated in the International H2O Project (IHOP) that occurred in May and June 2002 in the midwestern part of the United States. The SRL system configuration and methods of data analysis were described ...

D. N. Whiteman; B. Demoz; G. Schwemmer; B. Gentry; P. Di Girolamo; D. Sabatino; J. Comer; I. Veselovskii; K. Evans; R-F. Lin; Z. Wang; A. Behrendt; V. Wulfmeyer; E. Browell; R. Ferrare; S. Ismail; J. Wang

2006-02-01T23:59:59.000Z

425

Locast H2Flow: contextual learning through mobile video and guided documentary production  

Science Conference Proceedings (OSTI)

In this paper we present the design considerations of Locast H2Flow, an educational tool created to guide learning in a local urban space. In particular, we explore the prospect of utilizing mobile devices to scaffold the learning process. Challenged ... Keywords: contextual learning, location-based application, mobile learning, mobile media, mobile video, narratives, sustainability

Liselott Brunnberg; Pelin Arslan; Amar Boghani; Federico Casalegno; Steve Pomeroy; Zoe Schladow

2011-08-01T23:59:59.000Z

426

Formation of CO precursors during char gasification with O2, CO2 and H2O  

E-Print Network (OSTI)

Formation of CO precursors during char gasification with O2, CO2 and H2O Alejandro Montoya a are presented to get insight into an unified mechanism of uncatalyzed carbon gasification. D 2002 Elsevier Science B.V. All rights reserved. Keywords: Gasification; Chemisorption; Molecular simulation; Surface

Truong, Thanh N.

427

Retrofitting existing chemical scrubbers to biotrickling filters for H2S emission control  

E-Print Network (OSTI)

Retrofitting existing chemical scrubbers to biotrickling filters for H2S emission control David Gabriel* and Marc A. Deshusses Department of Chemical and Environmental Engineering, University required much larger reactor volumes than chemical scrubbers. We converted an existing full-scale chem

428

An Overview of the International H2O Project (IHOP_2002) and Some Preliminary Highlights  

Science Conference Proceedings (OSTI)

The International H2O Project (IHOP_2002) is one of the largest North American meteorological field experiments in history. From 13 May to 25 June 2002, over 250 researchers and technical staff from the United States, Germany, France, and Canada ...

Tammy M. Weckwerth; David B. Parsons; Steven E. Koch; James A. Moore; Margaret A. LeMone; Belay B. Demoz; Cyrille Flamant; Bart Geerts; Junhong Wang; Wayne F. Feltz

2004-02-01T23:59:59.000Z

429

H2 Enrichment with Simultaneous CO2 Concentration in a Membrane Reactor  

DOE Green Energy (OSTI)

NETL envisions that the gasification of carbonaceous feedstocks may be the near- to mid-term sources of hydrogen for the transition to a renewable, hydrogen-based economy. However, the environmental impacts associated with the generation and emission of greenhouses gases from the gasification process remains a substantial concern. Therefore, NETL has devoted substantial resources towards the identification of efficient hydrogen separation and carbon capture/sequestration technologies. Hydrogen membranes integrated into a water-gas shift membrane reactor have been identified as a promising means of maximizing the production of pure hydrogen while simultaneously yielding a high-pressure, concentrated CO2 containing stream ready for sequestration. Research groups, including NETL, are exploring the viability of dense metal hydrogen membrane technologies to enhance the production and separation of hydrogen as well as the capture of carbon dioxide from the coal gasification process. Areas of research to ensure the success of dense metal membrane technologies for implementation into the gasification scheme includes the fabrication of thin metallic films and support materials, an understanding of the interaction of membrane materials in the presence of both major and minor gas constituents, chemical and temperature induced morphological changes and the identification of new membrane materials through experimental and computational exploration.

Taylor, C.E.; Morreale, B.; Howard, B.H.; Killmeyer, R.P

2007-01-01T23:59:59.000Z

430

Hydrogen Generation From Electrolysis  

SciTech Connect

Small-scale (100-500 kg H2/day) electrolysis is an important step in increasing the use of hydrogen as fuel. Until there is a large population of hydrogen fueled vehicles, the smaller production systems will be the most cost-effective. Performing conceptual designs and analyses in this size range enables identification of issues and/or opportunities for improvement in approach on the path to 1500 kg H2/day and larger systems. The objectives of this program are to establish the possible pathways to cost effective larger Proton Exchange Membrane (PEM) water electrolysis systems and to identify areas where future research and development efforts have the opportunity for the greatest impact in terms of capital cost reduction and efficiency improvements. System design and analysis was conducted to determine the overall electrolysis system component architecture and develop a life cycle cost estimate. A design trade study identified subsystem components and configurations based on the trade-offs between system efficiency, cost and lifetime. Laboratory testing of components was conducted to optimize performance and decrease cost, and this data was used as input to modeling of system performance and cost. PEM electrolysis has historically been burdened by high capital costs and lower efficiency than required for large-scale hydrogen production. This was known going into the program and solutions to these issues were the focus of the work. The program provided insights to significant cost reduction and efficiency improvement opportunities for PEM electrolysis. The work performed revealed many improvement ideas that when utilized together can make significant progress towards the technical and cost targets of the DOE program. The cell stack capital cost requires reduction to approximately 25% of todays technology. The pathway to achieve this is through part count reduction, use of thinner membranes, and catalyst loading reduction. Large-scale power supplies are available today that perform in a range of efficiencies, >95%, that are suitable for the overall operational goals. The balance of plant scales well both operationally and in terms of cost becoming a smaller portion of the overall cost equation as the systems get larger. Capital cost reduction of the cell stack power supplies is achievable by modifying the system configuration to have the cell stacks in electrical series driving up the DC bus voltage, thereby allowing the use of large-scale DC power supply technologies. The single power supply approach reduces cost. Elements of the cell stack cost reduction and efficiency improvement work performed in the early stage of the program is being continued in subsequent DOE sponsored programs and through internal investment by Proton. The results of the trade study of the 100 kg H2/day system have established a conceptual platform for design and development of a next generation electrolyzer for Proton. The advancements started by this program have the possibility of being realized in systems for the developing fueling markets in 2010 period.

Steven Cohen; Stephen Porter; Oscar Chow; David Henderson

2009-03-06T23:59:59.000Z

431

Hydrogen Storage  

NLE Websites -- All DOE Office Websites (Extended Search)

Objectives - Develop and verify: On-board hydrogen storage systems achieving: 1.5 kWhkg (4.5 wt%), 1.2 kWhL, and 6kWh by 2005 2 kWhkg (6 wt%), 1.5 kWhL, and 4kWh by...

432

NREL Showcases Hydrogen Internal Combustion Engine Bus, Helps DOE Set Standards for Outreach (Fact Sheet), Hydrogen and Fuel Cell Technical Highlights (HFCTH)  

NLE Websites -- All DOE Office Websites (Extended Search)

557 * November 2010 557 * November 2010 NREL Showcases Hydrogen Internal Combustion Engine Bus, Helps DOE Set Standards for Outreach National Renewable Energy Laboratory (NREL) Teams: Hydrogen Education, Melanie Caton; Market Transformation, Michael Ulsh Accomplishment: NREL started using its Ford hydrogen-powered internal combustion engine (H 2 ICE) bus in May 2010 as the primary shuttle vehicle for VIP visitors, members of the media, and new employees. As the first national laboratory to receive such a bus, NREL

433

DOE Hydrogen Analysis Repository: Distributed Hydrogen Production...  

NLE Websites -- All DOE Office Websites (Extended Search)

government interests, a variety of vendors, and numerous utilities. Keywords: Hydrogen production, natural gas, costs Purpose Assess progress toward the 2005 DOE Hydrogen...

434

DOE Hydrogen Analysis Repository: Hydrogen Futures Simulation...  

NLE Websites -- All DOE Office Websites (Extended Search)

hydrogen scenarios will affect carbon and other environmental effluents and U.S. oil import requirements Outputs: Delivered hydrogen costs (cost per gallon of gas...

435

DOE Hydrogen Analysis Repository: Hydrogen Refueling Infrastructure...  

NLE Websites -- All DOE Office Websites (Extended Search)

Hydrogen Refueling Infrastructure Cost Analysis Project Summary Full Title: Hydrogen Refueling Infrastructure Cost Analysis Project ID: 273 Principal Investigator: Marc Melaina...

436

DOE Hydrogen Analysis Repository: Hydrogen Infrastructure Market...  

NLE Websites -- All DOE Office Websites (Extended Search)

Hydrogen Infrastructure Market Readiness Analysis Project Summary Full Title: Hydrogen Infrastructure Market Readiness Analysis Project ID: 268 Principal Investigator: Marc Melaina...

437

DOE Hydrogen Analysis Repository: Electrolytic Hydrogen Production  

NLE Websites -- All DOE Office Websites (Extended Search)

by Principal Investigator Projects by Date U.S. Department of Energy Electrolytic Hydrogen Production Project Summary Full Title: Summary of Electrolytic Hydrogen Production:...

438

Energy-transfer dynamics of high-pressure rovibrationally excited molecular H2  

E-Print Network (OSTI)

vibrational state have been probed using coherent anti-Stokes Raman spectroscopy CARS ,6,7 resonantly enhanced hydrogen given the imminent conversion to a hydro- gen fuel economy and that vibrational excitation has

Augustine, Mathew P.

439

Optimized Pathways for Regional H2 Infrastructure Transitions: A Case Study for Southern California  

E-Print Network (OSTI)

no representation of biomass supply curve in the model. Anthe Design of Biomass Hydrogen Supply Chains Using Real-supply options. Both onsite and central production technologies including biomass

Lin, Zhenhong; Fan, Yueyue; Ogden, Joan M; Chen, Chien-Wei

2008-01-01T23:59:59.000Z

440

Hydrogen Technology Validation  

Fuel Cell Technologies Publication and Product Library (EERE)

This fact sheet provides a basic introduction to the DOE Hydrogen National Hydrogen Learning Demonstration for non-technical audiences.

Note: This page contains sample records for the topic "h2 hydrogen hungary" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


441

Hydrogen Analysis Group  

DOE Green Energy (OSTI)

NREL factsheet that describes the general activites of the Hydrogen Analysis Group within NREL's Hydrogen Technologies and Systems Center.

Not Available

2008-03-01T23:59:59.000Z

442

Catalysts for hydrogen production by steam reforming of dimethyl ether (DME)  

Science Conference Proceedings (OSTI)

Dimethyl ether (DME) is expected as one of clean fuels. We have been studying on DME steam reforming for hydrogen production. Copper alumina catalysts prepared by a sol-gel method produced large quantities of H2 with DME steam reforming. The reason was ... Keywords: DME, alumina, catalyst, clean fuel, copper, dimethyl ether, hydrogen, sol-gel method, steam reforming

Kaoru Takeishi

2010-02-01T23:59:59.000Z

443

Development of single type copper alumina catalysts for hydrogen production from dimethyl ether (DME)  

Science Conference Proceedings (OSTI)

Dimethyl ether (DME) is expected as one of clean fuels. We have been studying on DME steam reforming for hydrogen production. Copper alumina catalysts prepared by the sol-gel method produced large quantities of H2 with DME steam reforming. Aiming at ... Keywords: DME, alumina, catalyst, clean fuel, copper, dimethyl ether, hydrogen, sol-gel method, steam reforming

Kaoru Takeishi; Atsushi Ban

2010-02-01T23:59:59.000Z

444

An experimental investigation of the ignition properties of hydrogen and carbon monoxide  

E-Print Network (OSTI)

for syngas turbine applications S.M. Walton *, X. He, B.T. Zigler, M.S. Wooldridge Department of Mechanical of simulated syngas mixtures of hydrogen (H2), carbon monoxide (CO), oxygen (O2), nitrogen (N2), and carbon. Keywords: Carbon monoxide; Hydrogen; Syngas; Ignition; Rapid compression facility 1. Introduction Syngas

Wooldridge, Margaret S.

445

Hydrogen Delivery: An Option to Ease the Transition  

NLE Websites -- All DOE Office Websites (Extended Search)

Delivery: Delivery: An Option to Ease the Transition Presentation at: The DOE Hydrogen and Fuel Cells Coordination Meeting Washington, D.C. June 3, 2003 John C. Winslow, Product Manager, Coal Fuels & Hydrogen National Energy Technology Laboratory Descriptor - include initials, /org#/date Hydrogen Delivery Today * Hydrogen infrastructure exists only for small merchant hydrogen markets in the chemical and refining industries * Current natural gas infrastructure consists of: - Pipelines - intermediate product storage - import terminals - rail, barge, and truck delivery U.S. Pipeline Mileage 0.7 2000 279 0 1000 2000 3000 Oil Nat Gas Hydrogen thousand miles Source: APCI, EIA, NEP Descriptor - include initials, /org#/date Comparison of Alternative Delivery Pathways Central H 2 production (coal)

446

Histone H2AX participates the DNA damage-induced ATM activation through interaction with NBS1  

SciTech Connect

Phosphorylated histone H2AX ({gamma}-H2AX) functions in the recruitment of DNA damage response proteins to DNA double-strand breaks (DSBs) and facilitates DSB repair. ATM also co-localizes with {gamma}-H2AX at DSB sites following its auto-phosphorylation. However, it is unclear whether {gamma}-H2AX has a role in activation of ATM-dependent cell cycle checkpoints. Here, we show that ATM as well as NBS1 is recruited to damaged-chromatin in a {gamma}-H2AX-dependent manner. Foci formation of phosphorylated ATM and ATM-dependent phosphorylation is repressed in H2AX-knockdown cells. Furthermore, anti-{gamma}-H2AX antibody co-immunoprecipitates an ATM-like protein kinase activity in vitro and recombinant H2AX increases in vitro kinase activity of ATM from un-irradiated cells. Moreover, H2AX-deficient cells exhibited a defect in ATM-dependent cell cycle checkpoints. Taken together, {gamma}-H2AX has important role for effective DSB-dependent activation of ATM-related damage responses via NBS1.

Kobayashi, Junya [Department of Genome Repair Dynamics, Radiation Biology Center, Kyoto University, Kyoto 606-8501 (Japan)], E-mail: jkobayashi@house.rbc.kyoto-u.ac.jp; Tauchi, Hiroshi [Department of Environmental Sciences, Ibaraki University, Ibaraki 310-8512 (Japan); Chen, Benjamin; Bruma, Sandeep [Division of Molecular Radiation Biology, Department of Radiation Oncology, University of Texas, Southwestern Medical Center at Dallas, Dallas, TX 75390-9187 (United States); Tashiro, Satoshi [Department of Cellular Biology, Research Institute for Radiation Biology and Medicine, Hiroshima University, Hiroshima 734-8553 (Japan); Matsuura, Shinya [Department of Radiation Biology, Research Institute for Radiation Biology and Medicine, Hiroshima University, Hiroshima 734-8553 (Japan); Tanimoto, Keiji [Department of Oral and Maxillofacial Radiology, Graduate School of Biomedical Sciences, Hiroshima University, Kasumi 1-2-3, Minami-ku, Hiroshima 734-8553 (Japan); Chen, David J. [Division of Molecular Radiation Biology, Department of Radiation Oncology, University of Texas, Southwestern Medical Center at Dallas, Dallas, TX 75390-9187 (United States); Komatsu, Kenshi [Department of Genome Repair Dynamics, Radiation Biology Center, Kyoto University, Kyoto 606-8501 (Japan)], E-mail: komatsu@house.rbc.kyoto-u.ac.jp

2009-03-20T23:59:59.000Z

447

Integration of H2 Separation Membranes with CO2 Capture and Compression  

NLE Websites -- All DOE Office Websites (Extended Search)

Integration of H Integration of H 2 Separation Membranes with CO 2 Capture and Compression November 30, 2009 DOE/NETL- 401/113009 INTEGRATION OF H 2 SEPARATION MEMBRANES WITH CO 2 CAPTURE AND COMPRESSION DOE/NETL-401/113009 FINAL REPORT November 30, 2009 NETL Contact: Eric Grol Chemical Engineer Office of Systems, Analysis, and Planning National Energy Technology Laboratory www.netl.doe.gov ii ACKNOWLEDGEMENTS This report was prepared by JM Energy Consulting, Inc. for Technology & Management Services, Inc. (TMS), at the request of the U.S. DOE National Energy Technology Laboratory (NETL). This study was conducted over a forty-three month period beginning in April 2006. Project Managers Mr. Eric Grol (Dec. 2008 - Nov. 2009) Mr. Steven Ostheim

448

Vacuum Characterization of a Woven Carbon Fiber Cryosorber in Presence of $H_2$  

E-Print Network (OSTI)

Some of the cold bores of the Large Hadron Collider (LHC) will operate at 4.5K. In these elements, the desorbed H2 pressure will rapidly reach the saturated vapour pressure, 3 orders of magnitude larger than the design pressure. Therefore, the use of cryosorbers is mandatory to provide the required pumping capacity and pumping speed. The behaviour of a woven carbon fiber to be potentially used as a cryosorber has been studied under H2 injection. The pumping speed and capacity measured in the range 6 to 30 K are described. Observations made with an electron microscope are shown. A proposed pumping mechanism and the implications for the LHC are discussed.

Baglin, V; Garcin, T

2004-01-01T23:59:59.000Z

449

Integrated Mirco-Machined Hydrogen Gas Sensors  

DOE Green Energy (OSTI)

The widespread use of hydrogen as both an industrial process gas and an energy storage medium requires fast, selective detection of hydrogen gas. This report discusses the development of a new type of solid-state hydrogen gas sensor that couples novel metal hydride thin films with a MEMS (Micro-Electro-Mechanical System) structure known as a micro-hotplate. In this project, Micro-hotplate structures were overcoated with engineered multilayers that serve as the active hydrogen-sensing layer. The change in electrical resistance of these layers when exposed to hydrogen gas was the measured sensor output. This project focused on achieving the following objectives: (1) Demonstrating the capabilities of micro-machined H2 sensors; (2) Developing an understanding of their performance; (3) Critically evaluating the utility and viability of this technology for life safety and process monitoring applications. In order to efficiently achieve these objectives, the following four tasks were identified: (1) Sensor Design and Fabrication; (2) Short Term Response Testing; (3) Long Term Behavior Investigation; (4) Systems Development. Key findings in the project include: The demonstration of sub-second response times to hydrogen; measured sensitivity to hydrogen concentrations below 200 ppm; a dramatic improvement in the sensor fabrication process and increased understanding of the processing properties and performance relationships of the devices; the development of improved sensing multilayers; and the discovery of a novel strain based hydrogen detection mechanism. The results of this program suggest that this hydrogen sensor technology has exceptional potential to meet the stringent demands of life safety applications as hydrogen utilization and infrastructure becomes more prevalent.

Frank DiMeoJr. Ing--shin Chen

2005-12-15T23:59:59.000Z

450

Hydrogen Trapping through Designer Hydrogen Spillover Molecules...  

NLE Websites -- All DOE Office Websites (Extended Search)

As the sample was reduced in H 2 in situ and the uptake significantly exceeded the stoichiometric amount attributable to the catalyst, the uptake is attributed to spillover....

451

R&D Programs for Hydrogen: US and EU  

E-Print Network (OSTI)

The possibility of a future economy based on H2 and fuel cells is both promising and uncertain. As a consequence, in the US and in the EU significant actions, with similarities as well as differences, related to hydrogen R&D are being undertaken. Efforts are focused in both cases primarily on applied research, development and demonstration. Some striking differences result from the leading role of the Department of Energy (DOE) in the US, as opposed to the more unstructured, nation-based approach in the EU. R&D activities conducted both in America and Europe are reviewed and compared, and some tentative conclusions are advanced. The case for hydrogen Hydrogen (H2) is, among other things, an energy carrier very abundant in nature in combination with other chemical elements. Molecular hydrogen (H2) can be synthesized by energy intensive processes. H2 must then be stored, distributed and finally utilised for energy generation. Internal combustion engines (ICE), in the form of reciprocating machines or gas turbines (GT), as well as electrochemical devices, known as fuel cells

Steven Stoft; Cesar Dopazo

2008-01-01T23:59:59.000Z

452

Using Distributed Tri-generation Systems for Neighborhood Hydrogen Refueling  

E-Print Network (OSTI)

Using Distributed Tri-generation Systems for Neighborhood Hydrogen Refueling Xuping Li and Joan: Xuping Li (Xupli@ucdavis.edu), Joan Ogden (jmogden@ucdavis.edu) INTRODUCTION TRI-GENERATION SYSTEM AND NEIGHBORHOOD REFUELING DESCRIPTION METHODS AND DATA CONCLUSIONS An engineering/economic model for H2 tri-generation

California at Davis, University of

453

Bio-Derived Liquids to Hydrogen Distributed Reforming Targets  

E-Print Network (OSTI)

used the H2A model to analyze data and produce cost estimates. Conclusion: "...the hydrogen total cost the estimated range." Transition to Bio-Derived Liquids Independent Validation of progress towards 2006 interim. Bio-Derived Renewable Liquids Dist. Electrolysis Central Wind Electrolysis Biomass Gasification Solar

454

Simulation of Hydrogen Production from Biomass Catalytic Gasification  

Science Conference Proceedings (OSTI)

In this study, biomass catalytic gasification process for producing H2-rich gas was presented. The process consists of mainly two fluidized bedsa gasifier and a CaO regenerator. The objective of this research is to develop a computer model of ... Keywords: biomass gasification, hydrogen production, Aspen Plus

Shan Cheng; Qian Wang; Hengsong Ji

2010-12-01T23:59:59.000Z

455

Herschel / HIFI observations of CO, H2O and NH3 in Mon R2  

E-Print Network (OSTI)

Context. Mon R2 is the only ultracompact HII region (UCHII) where the associated photon-dominated region (PDR) can be resolved with Herschel. Due to its brightness and proximity, it is the best source to investigate the chemistry and physics of highly UV-irradiated PDRs. Aims. Our goal is to estimate the abundance of H2O and NH3 in this region and investigate their origin. Methods. We present new observations obtained with HIFI and the IRAM-30m telescope. Using a large velocity gradient approach, we model the line intensities and derive an average abundance of H2O and NH3 across the region. Finally, we model the line profiles with a non-local radiative transfer model and compare these results with the abundance predicted by the Meudon PDR code. Results. The variations of the line profiles and intensities indicate complex geometrical and kinematical patterns. The H2O lines present a strong absorption at the ambient velocity and emission in high velocity wings towards the HII region. The spatial distribution of...

Pilleri, P; Cernicharo, J; Ossenkopf, V; Bern, O; Gerin, M; Pety, J; Goicoechea, J R; Rizzo, J R; Montillaud, J; Gonzlez-Garca, M; Joblin, C; Bourlot, J Le; Petit, F Le; Kramer, C

2012-01-01T23:59:59.000Z

456

GFOC Project results: High Temperature / High Pressure, Hydrogen Tolerant Optical Fiber  

Science Conference Proceedings (OSTI)

Tests results are given for exposure of multimode optical fiber to high temperatures (300 deg. C) and high partial pressure (15 bar) hydrogen. These results demonstrate that fluorine down doped optical fibers are much more hydrogen tolerant than traditional germanium doped multimode optical fibers. Also demonstrated is the similar hydrogen tolerance of carbon coated and non-carbon coated fibers. Model for reversible H2 impact in fiber versus T{sup o}C and H2 pressure is given. These results have significant impact for the longevity of use for distributed temperature sensing applications in harsh environments such as geothermal wells.

E. Burov; A. Pastouret; E. Aldea; B. Overton; F. Gooijer; A. Bergonzo

2012-02-12T23:59:59.000Z

457

DOE Hydrogen Analysis Repository: HyWays-IPHE Comparison Between  

NLE Websites -- All DOE Office Websites (Extended Search)

HyWays-IPHE Comparison Between E3database, H2A and GREET HyWays-IPHE Comparison Between E3database, H2A and GREET Project Summary Full Title: HyWays-IPHE Methodological Comparison Between E3database, H2A and GREET Including a Comparison of Database and Respective Model Results Project ID: 221 Principal Investigator: Christoph Stiller Keywords: Models, steam methane reforming (SMR), coal, wind, natural gas Purpose HyWays-IPHE (International Partnership for the Hydrogen Economy) is a specific support action to assess and compare the development efforts for the European Hydrogen Energy Roadmap prepared by HyWays with international roadmapping or comparative activities of IPHE partner countries. In a first step, it aims at an in-depth assessment and comparison of the individual elements of the national/ regional strategies, modeling approaches and

458

Hydrogen Delivery Liquefaction & Compression  

E-Print Network (OSTI)

SEPARATION PLANTS NITROGEN OXYGEN INDUSTRIAL AREA GALVESTON BAY GULF OF MEXICO BAYTOWN MONT BELVIEU Refrigeration GN2 to N2 Liquefier To Feed H2 Flash Compressor H2 Recycle Compressor LN2 Add. To Storage/Fill #12

459

Hydrogen Storage Workshop Summary  

NLE Websites -- All DOE Office Websites (Extended Search)

- Resource depletion Complete chemical hydride fuel cycle NaBH 4 Natural Gas Solar Energy Hydro Power Fuel Cell H 2 Catalyst + H 2 Borate Return Geo- thermal Energy Source...

460

Hydrogen Sensor Testing, Hydrogen Technologies (Fact Sheet)  

DOE Green Energy (OSTI)

Factsheet describing the hydrogen sensor testing laboratory at the National Renewable Energy Laboratory.

Not Available

2008-11-01T23:59:59.000Z

Note: This page contains sample records for the topic "h2 hydrogen hungary" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
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We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


461

Nuclear Hydrogen Initiative  

NLE Websites -- All DOE Office Websites (Extended Search)

Advanced Nuclear Research Advanced Nuclear Research Office of Nuclear Energy, Science and Technology FY 2003 Programmatic Overview Nuclear Hydrogen Initiative Nuclear Hydrogen Initiative Office of Nuclear Energy, Science and Technology Henderson/2003 Hydrogen Initiative.ppt 2 Nuclear Hydrogen Initiative Nuclear Hydrogen Initiative Program Goal * Demonstrate the economic commercial-scale production of hydrogen using nuclear energy by 2015 Need for Nuclear Hydrogen * Hydrogen offers significant promise for reduced environmental impact of energy use, specifically in the transportation sector * The use of domestic energy sources to produce hydrogen reduces U.S. dependence on foreign oil and enhances national security * Existing hydrogen production methods are either inefficient or produce

462

Novel, Magnetically Fluidized-Bed Reactor Development for the Looping Process: Coal to Hydrogen Production Research and Development  

NLE Websites -- All DOE Office Websites (Extended Search)

Novel, Magnetically Fluidized-Bed Novel, Magnetically Fluidized-Bed Reactor Development for the Looping Process: Coal to Hydrogen Production Research and Development Background The U.S. Department of Energy (DOE) National Energy Technology Laboratory (NETL) is committed to improving methods for co-producing power and chemicals, fuels, and hydrogen (H2). Gasification is a process by which fuels such as coal can be used to produce synthesis gas (syngas), a mixture of H2, carbon monoxide (CO), and carbon

463

Evidence of the production of hot hydrogen atoms in RF plasmas by catalytic reactions between hydrogen and oxygen species  

E-Print Network (OSTI)

Selective H-atom line broadening was found to be present throughout the volume (13.5 cm ID x 38 cm length) of RF generated H2O plasmas in a GEC cell. Notably, at low pressures (ca. hot' with energies greater than 40 eV with a pressure dependence, but only a weak power dependence. The degree of broadening was virtually independent of the position studied within the GEC cell, similar to the recent finding for He/H2 and Ar/H2 plasmas in the same GEC cell. In contrast to the atomic hydrogen lines, no broadening was observed in oxygen species lines at low pressures. Also, in control Xe/H2 plasmas run in the same cell at similar pressures and adsorbed power, no significant broadening of atomic hydrogen, Xe, or any other lines was observed. Stark broadening or acceleration of charged species due to high electric fields can not explain the results since (i) the electron density was insufficient by orders of magnitude, (ii) the RF field was essentially confined to the cathode fall region in contrast to the broadening that was independent of position, and (iii) only the atomic hydrogen lines were broadened. Rather, all of the data is consistent with a model that claims specific, predicted, species can act catalytically through a resonant energy transfer mechanism to create hot hydrogen atoms in plasmas.

Jonathan Phillips; Chun Ku Chen; Randell Mills

2004-02-06T23:59:59.000Z

464

Hydrogen as a fuel  

SciTech Connect

A panel of the Committee on Advanced Energy Storage Systems of the Assembly of Engineering has examined the status and problems of hydrogen manufacturing methods, hydrogen transmission and distribution networks, and hydrogen storage systems. This examination, culminating at a time when rapidly changing conditions are having noticeable impact on fuel and energy availability and prices, was undertaken with a view to determining suitable criteria for establishing the pace, timing, and technical content of appropriate federally sponsored hydrogen R and D programs. The increasing urgency to develop new sources and forms of fuel and energy may well impact on the scale and timing of potential future hydrogen uses. The findings of the panel are presented. Chapters are devoted to hydrogen sources, hydrogen as a feedstock, hydrogen transport and storage, hydrogen as a heating fuel, automotive uses of hydrogen, aircraft use of hydrogen, the fuel cell in hydrogen energy systems, hydrogen research and development evaluation, and international hydrogen programs.

1979-01-01T23:59:59.000Z

465

Evidence of catalytic production of hot hydrogen in rf generated hydrogen/argon plasmas  

E-Print Network (OSTI)

In this paper the selective broadening of the atomic hydrogen lines in pure H2 and Ar/H2 mixtures in a large 'GEC' cell (36 cm length_ 14 cm ID) was mapped as a function of position, H2/Ar ratio, time, power, and pressure. Several observations regarding the selective line broadening were particularly notable as they are unanticipated on the basis of earlier models. First, the anomalous broadening of the Balmer lines was found to exist throughout the plasma, and not just in the region between the electrodes. Second, the broadening was consistently a complex function of the operating parameters particularly gas composition (highest in pure H2), position, power, time and pressure. Clearly not anticipated by earlier models were the findings that under some conditions the highest concentration of 'hot' (>10 eV) hydrogen was found at the entry end, and not in the high field region between the electrodes and that in other conditions, the hottest H was at the (exit) pump (also grounded electrode) end. Third, excitati...

Phillips, J; Akhtar, K; Dhandapani, B; Mills, R; Phillips, Jonathan; Chen, Chun-Ku; Akhtar, Kamran; Dhandapani, Bala; Mills, Randell

2005-01-01T23:59:59.000Z

466

Cryogenic Hydrogen Storage Systems Workshop Agenda  

NLE Websites -- All DOE Office Websites (Extended Search)

Tuesday, February 15, 2011 - Cryogenic Hydrogen Storage Systems Tuesday, February 15, 2011 - Cryogenic Hydrogen Storage Systems Purpose: Identify R&D needs and technical pathways associated with the continued development and validation of cryo-compressed and cryo-sorption hydrogen storage technologies, highlighting those aspects common to both technologies as well as identifying their unique requirements and issues that should be addressed. 8:30 Welcome/Introductions/Workshop objectives/Recap of previous day Ned Stetson, DOE 9:00 OEM Perspective on Cryogenic H 2 Storage (20 min presentation/20 min discussion) Tobias Brunner, BMW 9:40 Performance Comparison and Cost Review (20 min presentation/20 min discussion) Rajesh Ahluwalia, ANL 10:20 Break (10 minutes) 10:30 Expert Panel Discussion (Members will each have 15 minutes for presentations)

467

DOE Hydrogen and Fuel Cells Program: Hydrogen Storage  

NLE Websites -- All DOE Office Websites (Extended Search)

Energy Search help Home > Hydrogen Storage Printable Version Hydrogen Storage Hydrogen storage is a key enabling technology for the advancement of hydrogen and fuel cell power...

468

FCT Hydrogen Storage: The 'National Hydrogen Storage Project...  

NLE Websites -- All DOE Office Websites (Extended Search)

The 'National Hydrogen Storage Project' to someone by E-mail Share FCT Hydrogen Storage: The 'National Hydrogen Storage Project' on Facebook Tweet about FCT Hydrogen Storage: The...

469

Using HyPro to Evaluate Competing Hydrogen Pathways, excerpt from 2007 DOE Hydrogen Program Annual Progress Report  

NLE Websites -- All DOE Office Websites (Extended Search)

89 89 FY 2007 Annual Progress Report DOE Hydrogen Program Objectives Develop understanding of how a hydrogen production infrastructure for H 2 fuel cell (FC)/ internal combustion engine (ICE) vehicles might develop in the U.S. Quantify production methods under consistent cost and state-of-technology assumptions. Analyze infrastructure development under dynamic conditions over time. Determine factors that will drive infrastructure development. Define role of externalities such as policy and technology advancement. Develop a computational model to aid in the analysis. Technical Barriers This project addresses the following technical barriers from the Systems Analysis section of the Hydrogen, Fuel Cells and Infrastructure Technologies Program Multi-Year Research, Development and

470

Using Hydrogen Safety Best Practices and Learning from Safety Events  

DOE Green Energy (OSTI)

A best practice is a technique or methodology that has reliably led to a desired result. A wealth of experience regarding the safe use and handling of hydrogen exists as a result of an extensive history in a wide variety of industrial and aerospace settings. Hydrogen Safety Best Practices (www.h2bestpractices.org) captures this vast knowledge base and makes it publically available to those working with hydrogen and related systems, including those just starting to work with hydrogen. This online manual is organized under a number of hierarchical technical content categories. References, including publications and other online links, that deal with the safety aspects of hydrogen are compiled for easy access. This paper discusses the development of Hydrogen Safety Best Practices as a safety knowledge tool, the nature of its technical content, and the steps taken to enhance its value and usefulness. Specific safety event examples are provided to illustrate the link between technical content in the online best practices manual and a companion safety knowledge tool, Hydrogen Incident Reporting and Lessons Learned (www.h2incidents.org), which encourages the sharing of lessons learned and other safety event information.

Weiner, Steven C.; Fassbender, Linda L.; Quick, Kathleen A.

2011-02-28T23:59:59.000Z

471

Hydrogen from Coal  

NLE Websites -- All DOE Office Websites (Extended Search)

Coal Coal Edward Schmetz Office of Sequestration, Hydrogen and Clean Coal Fuels U.S. Department of Energy DOE Workshop on Hydrogen Separations and Purification Technologies September 8, 2004 Presentation Outline ƒ Hydrogen Initiatives ƒ Hydrogen from Coal Central Production Goal ƒ Why Coal ƒ Why Hydrogen Separation Membranes ƒ Coal-based Synthesis Gas Characteristics ƒ Technical Barriers ƒ Targets ƒ Future Plans 2 3 Hydrogen from Coal Program Hydrogen from Coal Program FutureGen FutureGen Hydrogen Fuel Initiative Hydrogen Fuel Initiative Gasification Fuel Cells Turbines Gasification Fuel Cells Turbines Carbon Capture & Sequestration Carbon Capture & Sequestration The Hydrogen from Coal Program Supports the Hydrogen Fuel Initiative and FutureGen * The Hydrogen Fuel Initiative is a $1.2 billion RD&D program to develop hydrogen

472

Introduction to hydrogen energy  

SciTech Connect

The book comprises the following papers: primary energy sources suitable for hydrogen production, thermochemical and electrolytic production of hydrogen from water, hydrogen storage and transmission methods, hydrogen-oxygen utilization devices, residential and industrial utilization of energy, industrial utilization of hydrogen, use of hydrogen as a fuel for transportation, an assessment of hydrogen-fueled navy ships, mechanisms and strategies of market penetration for hydrogen, and fossil/hydrogen energy mix and population control. A separate abstract was prepared for each paper for ERDA Energy Research Abstracts (ERA). (LK)

Veziroglu, T.N. (ed.)

1975-01-01T23:59:59.000Z

473

First Principles Study of Double Photoionization of H2 UsingExterior Complex Scaling  

DOE Green Energy (OSTI)

Exterior complex scaling provides a practical path forfirst-principles studies of atomic and molecular ionizationproblemssince it avoids explicit enforcement of asymptotic boundary conditionsfor 3-body Coulomb breakup. We have used the method of exterior complexscaling, implemented with both the discrete variable representation andB-splines, to obtain the first-order wave function for molecular hydrogencorresponding to a single photon having been absorbed by a correlatedinitial state. These wave functions are used to construct convergedtriple differential cross sections for double photoionization of alignedH2 molecules.

Rescigno, Thomas N.; Vanroose, Wim; Horner, Daniel A.; Martin,Fernando; McCurdy, C. William

2006-07-21T23:59:59.000Z

474

Mechanochemical hydrogenation of coal  

DOE Patents (OSTI)

Hydrogenation of coal is improved through the use of a mechanical force to reduce the size of the particulate coal simultaneously with the introduction of gaseous hydrogen, or other hydrogen donor composition. Such hydrogen in the presence of elemental tin during this one-step size reduction-hydrogenation further improves the yield of the liquid hydrocarbon product.

Yang, Ralph T. (Tonawanda, NY); Smol, Robert (East Patchogue, NY); Farber, Gerald (Elmont, NY); Naphtali, Leonard M. (Washington, DC)

1981-01-01T23:59:59.000Z

475

Two-photon double ionization of H2 using exterior complex scaling  

DOE Green Energy (OSTI)

We report converged calculations of fully, singly differential and total cross sections for two-photon double ionization of the hydrogen molecule in the range of 26-30 eV. These results have been obtained by using the method of exterior complex scaling combined with the use of DVR basis set.

Horner, Daniel A [Los Alamos National Laboratory; Morales, F [UNIV AUTONOMA DE MADRID; Martin, F [UNIV AUTONOMA DE MADRID; Rescigno, T N [LBNL; Mccurdy, C W [LBNL

2009-01-01T23:59:59.000Z

476

Influence of pp ions on pion absorption in H2 S. Jonsell,1  

E-Print Network (OSTI)

, Box 518, S-751 20 Uppsala, Sweden 2 Department of Nuclear and Reactor Physics, Royal Institute the strong-force aspects of the nuclear pion absorp- tion by the hydrogen nuclei. The present paper addresses of the standard weak interaction theory through comparisons of the predicted decay rate with experi- mental