Hydrogen storage alloy and electrode therefrom

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

1996-07-15

1998-04-14

Sheehan, John

Metal treatment

Stock

Titanium, zirconium, or hafnium base

420900, 420421, 423644, 429218, 429283, C22C 1400

Patent

active

057387362

ABSTRACT:
The present invention provides an improved hydrogen storage alloy of Ti--V--Ni system having a body-centered cubic structure. The alloy is of the general formula Ti.sub.x (V.sub.a Cr.sub.1-a).sub.1-x M.sub.b Ni.sub.c, wherein M represents at least one element of La and Ce or a mischmetal, and wherein 0.5.ltoreq.a.ltoreq.0.95, 0.01.ltoreq.b.ltoreq.0.1, 0.1.ltoreq.c.ltoreq.0.6, and 0.2.ltoreq.x.ltoreq.0.4; or Ti.sub.x V.sub.y M.sub.z Ni.sub.1-x-y-z, wherein M represents at least one element selected from the group consisting of Co, Fe, Cu, and Ag, and wherein 0.2.ltoreq.x.ltoreq.0.4, 0.3.ltoreq.y.ltoreq.0.7, 0.1.ltoreq.z.ltoreq.0.3, and 0.6.ltoreq.x+y+z.ltoreq.0.95.

REFERENCES:
patent: Re34588 (1994-04-01), Hong
patent: 4849205 (1989-07-01), Hong
patent: 5006328 (1991-04-01), Hong
patent: 5277999 (1994-01-01), Ovshinsky et al.
patent: 5389333 (1995-02-01), Li et al.

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