Hydrogen storage alloy, electrode comprising the same and hydrog

Details Hydrogen storage alloy, electrode comprising the same and hydrog Hydrogen storage alloy, electrode comprising the same and hydrog

1993-01-22

1994-01-11

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

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

429223, 429218, 420900, H01M 438

Patent

active

052780015

ABSTRACT:
A hydrogen storage alloy of Ni, Zr, Mn, Ti and at least one other element and at least two phases including a phase which contains at least one kind of Laves structure intermetallic compound, in which when atomic ratios of Ni, Zr, Mn and Ti are "a", "b", "c" and "d", respectively, "a" is larger than "b", "b" is larger than "c", "c" is larger than "d", and "d" is larger than the atomic ratio of at least one other element, and a ratio b/a is larger than 5/8, a ratio c/a is smaller than 11/20 and a ratio d/a is smaller than 2/5, which alloy is useful as an active material of a negative electrode of a hydrogen storage alloy cell.

REFERENCES:
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patent: 4728586 (1988-03-01), Venkatesan et al.
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patent: 4983474 (1991-01-01), Doi et al.
patent: 5096667 (1992-03-01), Fetcenko
patent: 5205985 (1993-04-01), Seri et al.

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