Hydrogen storage by reversible hydrogenation of pi-conjugated substrates

Pez, Guido Peter; Scott, Aaron Raymond; Cooper, Alan Charles; Cheng, Hansong; Wilhelm, Frederick Carl; Abdourazak, Atteye Houssein

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Title: 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:: Pez, Guido Peter; Scott, Aaron Raymond; Cooper, Alan Charles; Cheng, Hansong; Wilhelm, Frederick Carl; Abdourazak, Atteye Houssein

Issue Date:: 2008-04-01

Research Org.:: Air Products and Chemicals, Inc., Allentown, PA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1531551

Patent Number(s):: 7351395

Application Number:: 11/266,803

Assignee:: Air Products and Chemicals, Inc. (Allentown, PA)

Patent Classifications (CPCs):: C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01B - NON-METALLIC ELEMENTS

F - MECHANICAL ENGINEERING F17 - STORING OR DISTRIBUTING GASES OR LIQUIDS F17C - VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES

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C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01B - NON-METALLIC ELEMENTS
C01B2203/1252 - Cyclic or aromatic hydrocarbons
C01B3/0015 - {Organic compounds
C01B3/26 - using catalysts

F - MECHANICAL ENGINEERING F17 - STORING OR DISTRIBUTING GASES OR LIQUIDS F17C - VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES
F17C11/005 - {for hydrogen}

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
Y02E60/32 - Hydrogen storage

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DOE Contract Number:: FC36-04GO14006

Resource Type:: Patent

Resource Relation:: Patent File Date: 2005-11-04

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, Cheng, Hansong, Wilhelm, Frederick Carl, and Abdourazak, Atteye Houssein. Hydrogen storage by reversible hydrogenation of pi-conjugated substrates.  United States: N. p., 2008. 
        Web.

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                    Pez, Guido Peter, Scott, Aaron Raymond, Cooper, Alan Charles, Cheng, Hansong, Wilhelm, Frederick Carl, & Abdourazak, Atteye Houssein. Hydrogen storage by reversible hydrogenation of pi-conjugated substrates.  United States.

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                    Pez, Guido Peter, Scott, Aaron Raymond, Cooper, Alan Charles, Cheng, Hansong, Wilhelm, Frederick Carl, and Abdourazak, Atteye Houssein. Tue .  
        "Hydrogen storage by reversible hydrogenation of pi-conjugated substrates".  United States.  https://www.osti.gov/servlets/purl/1531551.

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@article{osti_1531551,

  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 and Wilhelm, Frederick Carl and Abdourazak, Atteye Houssein},

  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        = {4}

}

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