Hydrogen storage material and nickel hydride batteries using sam

Details Hydrogen storage material and nickel hydride batteries using sam Hydrogen storage material and nickel hydride batteries using sam

1994-01-28

1996-03-26

Willis, Jr., Prince

Chemistry: electrical current producing apparatus, product, and

Fluid active material or two-fluid electrolyte combination...

429 59, 429 97, 429209, 420417, 420443, 420455, 420580, 420900, H01M 402

Patent

active

055019170

ABSTRACT:
Improved multicomponent alloys for hydrogen storage and rechargeable hydride electrode applications, and in particular for rechargeable hydride battery applications, according to the formula: A.sub.a B.sub.b Ni.sub.c D.sub.y M.sub.x R.sub.z, and the hydride thereof, where A is at least one element selected from the group consisting of Ti, Zr, Hf, Y, V, Nb, Pd, Mg, Be, and Ca; B is at least one element selected from the group consisting of Mg, Al, V, Wb, Ta, Cr, Mn, Si, C, B, and Mo; D is at least one element selected from the group consisting of W, Fe, Co, Cu, Zn, Ag, Sb and Sn; M is at least one element selected from the group consisting of Li, Na, K, Rb, Cs, P, S, Sr, and Ba; R is at least one element selected from the group consisting of Sc, Y, La, Ce, Pr, and Yb; and where a, b, c, x, y and z are defined by: 0.10.ltoreq.a.ltoreq.0.85, 0.02.ltoreq.b.ltoreq.0.85, 0.02.ltoreq.c.ltoreq.0.85, 0.01.ltoreq.x.ltoreq.0.30, 0.ltoreq.y.ltoreq.0.25, 0.ltoreq.z.ltoreq.0.12 and a+b+c+x+y=1.00. In another aspect, this invention is directed to provide a rechargeable electrochemical cell (battery) using the improved hydrogen storage alloy given in the present invention.

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