Polymeric storage bed for hydrogen

Details Polymeric storage bed for hydrogen Polymeric storage bed for hydrogen

1993-08-23

1994-11-01

Warden, Robert J.

Gas: heating and illuminating

Generators

123 3, 123DIG12, 422186, 422199, 4236582, B01J 700, F02B 4308

Patent

active

053604610

ABSTRACT:
A hydrogen storage device (2) includes a vessel (4) and a hydrogen storage bed (6) disposed in the vessel (4). The hydrogen storage bed (6) includes a polymeric material (8) having a plurality of micropores less than about 1 nm in diameter and at least one hydride forming metal (10) imbedded within the polymeric material (8). The device also includes means for optically and thermally decomposing the metal hydride to release hydrogen and means for conveying hydrogen into and out of the storage device (2). The hydrogen storage bed (6) may be made by distributing a hydride forming metal (10) within the polymeric material (8) while the polymeric material (8) is in an uncured state. A metal hydride may be formed in the presence of hydrogen at a pressure such that the hydrogen bonds to the hydride forming metal (10) to form a metal hydride within the polymeric material (8). The hydrogen pressure may be reduced such that the metal hydride dissociates and any dissolved hydrogen escapes through the polymeric material (8), thereby forming a plurality of micropores less than about 1 nm in diameter. The micropores may be molded into the polymeric material (8) by cooling the polymeric material (8).

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