Hydrogen storage alloy and electrode therefrom

Details Hydrogen storage alloy and electrode therefrom Hydrogen storage alloy and electrode therefrom

1994-02-16

1996-01-02

Maples, John S.

Chemistry: electrical current producing apparatus, product, and

Sealed cell having gas prevention or elimation means

Prevention or elimination means is one of the cell...

429221, 429223, 420900, 420422, 148421, H01M 438, C22C 2200

Patent

active

054807409

ABSTRACT:
A hydrogen storage alloy preferably used for electrodes in an alkaline storage battery is provided. The alloy is of the general formula ZrMn.sub.w V.sub.x Mo.sub.b M.sub.y Ni.sub.z, wherein M is at least one element selected from the group consisting of Fe and Co and 0.4.ltoreq.w.ltoreq.0.8, 0.ltoreq.x.ltoreq.0.3, 0.05.ltoreq.b.ltoreq.0.2, 0.ltoreq.y.ltoreq.0.2, 1.0.ltoreq.z.ltoreq.1.5, and 2.0.ltoreq.w+x+b+y+z.ltoreq.2.4. The alloy has C15-type Laves phases of a crystal structure similar to that of MgCu.sub.2 as a main alloy phase, and a lattice constant "a" such that 7.05 .ANG..ltoreq.a.ltoreq.7.13 .ANG..

REFERENCES:
patent: 4946646 (1990-08-01), Gamo et al.
patent: 4948423 (1990-08-01), Fetcenko et al.
patent: 5096667 (1992-03-01), Fetcenko
patent: 5149383 (1992-09-01), Seri et al.
patent: 5205985 (1993-04-01), Seri et al.

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