Hydrogen absorbing alloy for a negative electrode of an alkaline

Details Hydrogen absorbing alloy for a negative electrode of an alkaline Hydrogen absorbing alloy for a negative electrode of an alkaline

1998-01-20

1999-06-08

Bell, Bruce F.

Chemistry: electrical current producing apparatus, product, and

Sealed cell having gas prevention or elimation means

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

429101, 429223, 429224, 420900, 204293, H01M 1034

Patent

active

059103795

ABSTRACT:
Provided is a hydrogen absorbing alloy suitable for a negative electrode of an Ni--hydrogen storage battery effective at low temperature, more specifically, a R--Ni type of hydrogen absorbing alloy represented by a general formula RNi.sub.a Co.sub.b Al.sub.c M.sub.d, and with Mo content of 50 to 500 ppm wherein R expresses not less than 18 wt % Pr and one or more metals other than Pr, Ni, Co, Al and M, and M expresses one or more metals selected from the group consisting of Fe, Cr, Cu, and Mn, and a to d expresses positive numbers in the specified range Moreover, the above alloy further containing trace amounts of Mg, Ti, Pb, oxygen, carbon, and/or sulfur is provided.

REFERENCES:
patent: 5306583 (1994-04-01), Bouet et al.
patent: 5384210 (1995-01-01), Furukawa

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