Accelerated hydrogen generation through reactive mixing of...

Details Accelerated hydrogen generation through reactive mixing of... Accelerated hydrogen generation through reactive mixing of...

H - Electricity

01

M

H01M 8/06 (2006.01) C01B 3/06 (2006.01) H01M 8/22 (2006.01)

Patent

CA 2419771

The rate of hydrogen generation in proton-exchange-membrane (PEM) fuel cells is greatly accelerated by mixing a first aqueous alkali borohydride solution with a second aqueous solution in the presence of one or more transition metal catalysts: NaBH + 2H2O .fwdarw. 4H2 + NaBO2 metal wherein the first solution comprises (a) 5 to 50 wt% MBH4, where M is an alkali metal, (b) 5 to 40 wt% alkali hydroxide or alkaline metal hydroxide, and (c) the balance water, and wherein the second solution comprises (a) 51 to 100% water, and (b) the balance, if any, comprising at least one water-soluble additive.

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