Chemistry: electrical current producing apparatus – product – and – Sealed cell having gas prevention or elimation means – Prevention or elimination means is one of the cell...
Patent
1989-07-17
1990-02-06
Kalafut, Stephen J.
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, 420446, 420458, 420459, 420460, 420451, 420581, 420582, 420584, 420900, H07M 436, C22C 1903, C22C 3000
Patent
active
048987948
ABSTRACT:
A hydrogen absorbing Ni,Zr-based alloy comprising 5 to 20% by weight of titanium (Ti), 10 to 37% by weight of zirconium (Zr), 5 to 30% by weight of manganese (Mn), 0.01 to 15% by weight of tungsten (W), 6 to 30% by weight of iron (Fe), and optionally at least one of 0.1 to 7% by weight of Cu, 0.05 to 6% by weight of Cr and 0.01 to 5% by weight of Al, and balance nickel (Ni) and unavoidable impurities; and a sealed Ni-hydrogen rechargeable battery comprising a negative electrode provided with a hydrogen absorbing alloy as an active material, an Ni positive electrode, a separator and an alkaline electrolytic solution, wherein the hydrogen absorbing alloy is composed of such hydrogen absorbing Ni,Zr-based alloy.
REFERENCES:
patent: 4668310 (1987-05-01), Kudo et al.
patent: 4668424 (1987-05-01), Sandrock
patent: 4728586 (1988-03-01), Venkatesan
Doi Hidekazu
Yabuki Ritsue
Kalafut Stephen J.
Mitsubishi Metal Corporation
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