Hydrogen storage by reversible hydrogenation of pi-conjugated substrates
Abstract
Processes are provided for the storage and release of hydrogen by means of a substantially reversible catalytic hydrogenation of extended pi-conjugated substrates which include large polycyclic aromatic hydrocarbons, polycyclic aromatic hydrocarbons with nitrogen heteroatoms, polycyclic aromatic hydrocarbons with oxygen heteroatoms, polycyclic aromatic hydrocarbons with alkyl, alkoxy, nitrile, ketone, ether or polyether substituents, pi-conjugated molecules comprising 5 membered rings, pi-conjugated molecules comprising six and five membered rings with nitrogen or oxygen hetero atoms, and extended pi-conjugated organic polymers. The hydrogen, contained in the at least partially hydrogenated form of the extended pi-conjugated system, can be facilely released for use by a catalytic dehydrogenation of the latter in the presence of a dehydrogenation catalyst which can be effected by lowering the hydrogen gas pressure, generally to pressures greater than 0.1 bar or raising the temperature to less than 250° C. or less, or by a combination of these two process parameters.
- Inventors:
- Issue Date:
- Research Org.:
- Air Products and Chemicals, Inc., Allentown, PA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1531566
- Patent Number(s):
- 7429372
- Application Number:
- 10/833,484
- Assignee:
- Air Products and Chemicals, Inc. (Allentown, PA)
- Patent Classifications (CPCs):
-
C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01B - NON-METALLIC ELEMENTS
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:
- FC36-04GO14006
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2004-04-27
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 08 HYDROGEN; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
Citation Formats
Pez, Guido Peter, Scott, Aaron Raymond, Cooper, Alan Charles, and Cheng, Hansong. Hydrogen storage by reversible hydrogenation of pi-conjugated substrates. United States: N. p., 2008.
Web.
Pez, Guido Peter, Scott, Aaron Raymond, Cooper, Alan Charles, & Cheng, Hansong. Hydrogen storage by reversible hydrogenation of pi-conjugated substrates. United States.
Pez, Guido Peter, Scott, Aaron Raymond, Cooper, Alan Charles, and Cheng, Hansong. Tue .
"Hydrogen storage by reversible hydrogenation of pi-conjugated substrates". United States. https://www.osti.gov/servlets/purl/1531566.
@article{osti_1531566,
title = {Hydrogen storage by reversible hydrogenation of pi-conjugated substrates},
author = {Pez, Guido Peter and Scott, Aaron Raymond and Cooper, Alan Charles and Cheng, Hansong},
abstractNote = {Processes are provided for the storage and release of hydrogen by means of a substantially reversible catalytic hydrogenation of extended pi-conjugated substrates which include large polycyclic aromatic hydrocarbons, polycyclic aromatic hydrocarbons with nitrogen heteroatoms, polycyclic aromatic hydrocarbons with oxygen heteroatoms, polycyclic aromatic hydrocarbons with alkyl, alkoxy, nitrile, ketone, ether or polyether substituents, pi-conjugated molecules comprising 5 membered rings, pi-conjugated molecules comprising six and five membered rings with nitrogen or oxygen hetero atoms, and extended pi-conjugated organic polymers. The hydrogen, contained in the at least partially hydrogenated form of the extended pi-conjugated system, can be facilely released for use by a catalytic dehydrogenation of the latter in the presence of a dehydrogenation catalyst which can be effected by lowering the hydrogen gas pressure, generally to pressures greater than 0.1 bar or raising the temperature to less than 250° C. or less, or by a combination of these two process parameters.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2008},
month = {9}
}
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