Catalytic dehydrogenation of amine borane complexes

Chemistry of inorganic compounds – Hydrogen or compound thereof – Elemental hydrogen

Reexamination Certificate

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Reexamination Certificate

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07578992

ABSTRACT:
A method of generating hydrogen includes the steps of providing an amine borane (AB) complex, at least one hydrogen generation catalyst, and a solvent, and mixing these components Hydrogen is generated. The hydrogen produced is high purity hydrogen suitable for PEM fuel cells. A hydrolytic in-situ hydrogen generator includes a first compartment that contains an amine borane (AB) complex, a second container including at least one hydrogen generation catalyst, wherein the first or second compartment includes water or other hydroxyl group containing solvent. A connecting network permits mixing contents in the first compartment with contents in the second compartment, wherein high purity hydrogen is generated upon mixing. At least one flow controller is provided for controlling a flow rate of the catalyst or AB complex.

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Chandra et al. “A high-performance hydrogen generation system: Transition metal-catalyzed dissociation and hydrolysis of amonia-borane”, Journal of Power Sources, 156, (2006) pp. 190-194.

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