Method to prevent sulfur accumulation in membrane electrode assembly
Abstract
A method of operating a hybrid sulfur electrolyzer to generate hydrogen is provided that includes the steps of providing an anolyte with a concentration of sulfur dioxide, and applying a current. During steady state generation of hydrogen a plot of applied current density versus concentration of sulfur dioxide is below a boundary line. The boundary line may be linear and extend through the origin of the graph with a slope of 0.001 in which the current density is measured in mA/cm2 and the concentration of sulfur dioxide is measured in moles of sulfur dioxide per liter of anolyte.
- Inventors:
- Issue Date:
- Research Org.:
- Savannah River Site (SRS), Aiken, SC (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1130082
- Patent Number(s):
- 8709229
- Application Number:
- 12/930,486
- Assignee:
- Savannah River Nuclear Solutions, LLC (Aiken, SC)
- Patent Classifications (CPCs):
-
C - CHEMISTRY C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES C25B - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- DOE Contract Number:
- AC09-08SR22470
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2011 Jan 07
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
Citation Formats
Steimke, John L, Steeper, Timothy J, and Herman, David T. Method to prevent sulfur accumulation in membrane electrode assembly. United States: N. p., 2014.
Web.
Steimke, John L, Steeper, Timothy J, & Herman, David T. Method to prevent sulfur accumulation in membrane electrode assembly. United States.
Steimke, John L, Steeper, Timothy J, and Herman, David T. Tue .
"Method to prevent sulfur accumulation in membrane electrode assembly". United States. https://www.osti.gov/servlets/purl/1130082.
@article{osti_1130082,
title = {Method to prevent sulfur accumulation in membrane electrode assembly},
author = {Steimke, John L and Steeper, Timothy J and Herman, David T},
abstractNote = {A method of operating a hybrid sulfur electrolyzer to generate hydrogen is provided that includes the steps of providing an anolyte with a concentration of sulfur dioxide, and applying a current. During steady state generation of hydrogen a plot of applied current density versus concentration of sulfur dioxide is below a boundary line. The boundary line may be linear and extend through the origin of the graph with a slope of 0.001 in which the current density is measured in mA/cm2 and the concentration of sulfur dioxide is measured in moles of sulfur dioxide per liter of anolyte.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Apr 29 00:00:00 EDT 2014},
month = {Tue Apr 29 00:00:00 EDT 2014}
}
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Works referenced in this record:
Method for electrolytic production of hydrogen
patent, July 1983
- Struck, Bernd D.; Junginger, Robert; Boltersdorf, Dagmar
- US Patent Document 4,391,682
Gas phase electrolyzer process for producing hydrogen
patent, August 2007
- Lahoda, Edward J.; Task, Keith
- US Patent Document 7,261,874
Multiple phase SO3/SO2/H2O/H2SO4 electrolyzer
patent-application, January 2007
- Lahoda, Edward J.
- US Patent Application 11/176791; 20070007147
Production of Low Temperature Electrolytic Hydrogen
patent-application, January 2009
- Weidner, John W.
- US Patent Application 11/911116; 20090000956
Hydrogen Generation Process with Dual Pressure Multi Stage Electrolysis
patent-application, January 2009
- Lahoda, Edward J.; McLaughlin, David F.
- US Patent Application 11/778863; 20090020436
Sulfur dioxide depolarized electrolysis for hydrogen production: Development status
journal, January 1982
- Lu, P.; Ammon, R.
- International Journal of Hydrogen Energy, Vol. 7, Issue 7
Effect of Water on the Electrochemical Oxidation of Gas-Phase SO[sub 2] in a PEM Electrolyzer for H[sub 2] Production
journal, January 2007
- Staser, John; Ramasamy, Ramaraja P.; Sivasubramanian, Premkumar
- Electrochemical and Solid-State Letters, Vol. 10, Issue 11