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7384574 |
Hydrogen storage material and process using graphite additive with metal-doped complex hydrides
A hydrogen storage material having improved hydrogen absorbtion and desorption kinetics is provided by adding graphite to a complex hydride such as a metal-doped alanate, i.e., NaAlH 4 . The...
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7344690 |
Imide/amide hydrogen storage materials and methods
In one aspect, the invention provides a hydrogen storage composition having a hydrogenated state and a dehydrogenated state. In the hydrogenated state, such composition comprises an amide and a...
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7341703 |
Mixed hydrogen generation material
In one aspect, the invention provides a novel quaternary hydrogen storage composition having a hydrogenated state and a dehydrogenated state. Further, the present invention provides methods of...
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7314579 |
Hydrogen generation material
The dispersion of metal-element containing additives with hydrogen storage particles of the family of hydrogen-rich materials, M′ x M″ y N z H d as specified herein, markedly lowers the...
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7160343 |
Systems and methods for carbon monoxide clean-up
A fuel cell system comprises a fuel cell stack and a carbon monoxide clean-up system in communication with the fuel cell stack. The carbon monoxide cleanup system comprises a first water gas shift...
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7118611 |
Nanoparticle mixtures for hydrogen storage, transportation, and distribution
This invention uses nanoparticle mixtures to broaden the range of economic materials, improve performance across this broader range, and thereby lower costs of hydride and other storage systems....
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7094387 |
Complex hydrides for hydrogen storage
A hydrogen storage material and process of forming the material is provided in which complex hydrides are combined under conditions of elevated temperatures and/or elevated temperature and pressure...
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7029649 |
Combinations of hydrogen storage materials including amide/imide
The invention provides a method of reversibly producing a source of hydrogen gas comprising mixing together a plurality of hydrogen-containing starting materials; and then heating the mixed...
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6967012 |
Imide/amide hydrogen storage materials and methods
In one aspect, the invention provides a hydrogen storage composition having a hydrogenated state and a dehydrogenated state. In the hydrogenated state, such composition comprises an amide and a...
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6814782 |
Method for reversibly storing hydrogen on the basis of alkali metals and aluminum
A method for reversibly storing hydrogen, characterized in that reversible hydrogen storage materials are used which contain mixtures of aluminum metal with alkali metals and/or alkali metal...
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6680043 |
Process for enhancing the kinetics of hydrogenation/dehydrogenation of MAIH4 and MBH4 metal hydrides for reversible hydrogen storage
A process for enhancing the kinetics of hydrogenation/dehydrogenation of complex chemical hydrides using mechanomixing and/or mechanomilling. The mechanomixing makes hydrogenation/dehydrogenation...
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6572836 |
Method for producing gaseous hydrogen by chemical reaction of metals or metal hydrides subjected to intense mechanical deformations
An improved method is disclosed for producing gaseous hydrogen by subjecting a metal or a metal hydride to a chemical reaction. In this method, the metal or metal hydride subjected to the chemical...
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