Multiphase hydrogen-absorbing alloy electrode for an alkaline st

Details Multiphase hydrogen-absorbing alloy electrode for an alkaline st Multiphase hydrogen-absorbing alloy electrode for an alkaline st

1993-02-18

1994-03-01

Dean, R.

Alloys or metallic compositions

Cobalt base

420455, 420580, 420900, 429218, 429223, 429224, 148425, 148426, H01M 438

Patent

active

052905098

ABSTRACT:
A hydrogen-absorbing alloy electrode for an alkaline storage cell, the electrode including a hydrogen-absorbing alloy expressed by a composition formula ReBxMy, wherein Re is at least one element selected from a group consisting of rare earth elements and alkali earth elements, B is boron, and M is at least one element selected from a group consisting of Ni, Co, Mn, Al, Cr, Fe, Cu. Sn, Sb, Mo, V, Nb, Ta, Zn, Zr and Ti. The alloy consists essentially of an RM.sub.y main metal phase, and a subordinate boron-containing phase, such as a compound phase of boron and a IV-a, V-a, or VI-a group metal.

REFERENCES:
patent: 4004943 (1977-01-01), Boter
patent: 4222770 (1980-09-01), Osumi et al.
patent: 4495258 (1985-01-01), Le Mehaute et al.
patent: 4609599 (1986-09-01), Percheron nee Guegan et al.
patent: 5008164 (1991-04-01), Furukawa et al.
patent: 5049208 (1991-09-01), Yajima et al.
patent: 5071493 (1991-12-01), Mizoguchi et al.

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