Preparation of vanadium rich hydrogen storage alloy materials

Details Preparation of vanadium rich hydrogen storage alloy materials Preparation of vanadium rich hydrogen storage alloy materials

C - Chemistry, Metallurgy

22

C

53/347, 53/358,

C22C 1/02 (2006.01) C01B 3/00 (2006.01) C22C 30/00 (2006.01) H01M 4/38 (2006.01)

Patent

CA 2021806

Disclosed is a method of forming a vanadium-rich, multi-component reversible, electrochemical hydrogen storage alloy directly from a vanadium-reductant alloy without first obtaining pure vanadium. In one exemplification the vanadium-reductant alloy is a vanadium-aluminum alloy of low oxygen content, while in another exemplification the vanadium-reductant alloy is refined by electron beam evaporation, and in a third exemplification the vanadium-reductant alloy contains further reductants that reduce the oxygen content without adding impurities to the alloy. The vanadium-reductant alloy is directly used as a precursor in forming the electrochemical hydrogen storage alloy.

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