Patent ID: 6358488
Filing Date: 2002-03-19
Classification: C01B,Y02E

Abstract:
A method for generation of hydrogen gas which comprises the steps of:(a) dissolving, in an aqueous alkaline solution, a metal hydrogen complex compound represented by the general formula MIMIIIH4âˆ’nRn, orMII(MIIIH4âˆ’nRn)2, â€ƒin which MI is an alkali metal, MII is an alkaline earth metal or zinc, MIII is an element selected from the group consisting of boron, aluminum and gallium, R is an alkoxy group, aryloxy group or acyloxy group and the subscript n is 0, 1, 2 or 3, to form a solution as a reaction medium; and (b) bringing the reaction medium into contact with a fluorinated or unfluorinated metal or a hydrogen-absorbing alloy as a catalyst, the fluorinated or unfluorinated metal being selected from the group consisting of nickel, cobalt, zirconium, rhodium, platinum, palladium, silver and gold and the hydrogen-absorbing alloy being selected from the group consisting of Laves-phase AB2 alloys, AB alloys and b.c.c. alloys.