Paste type positive electrode for alkaline storage battery,...

Details Paste type positive electrode for alkaline storage battery,... Paste type positive electrode for alkaline storage battery,...

2005-02-22

2005-02-22

Cantelmo, Gregg (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

Reexamination Certificate

active

06858347

ABSTRACT:
The paste type positive electrode of the present invention contains a first active material and a second active material. The first active material comprises X parts by weight of particulate nickel hydroxide with aX/100 parts by weight of cobalt oxyhydroxide carried thereon. The second active material comprises Y parts by weight of particulate nickel oxyhydroxide, of which an oxidation number of nickel is α, with bY/100 parts by weight of cobalt oxyhydroxide carried thereon. Here, all the following relations are satisfied: (1) 2.5≦α<3.0, (2) 0.01≦(aX/100+bY/100)/(X+Y)≦0.20, (3) 0<b≦a≦10 or 0=b<a≦10, and (4) 2.1≦(2X+αY)/(X+Y)<2.2.

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Linden, “Handbook of Batteries” McGraw-Hill, Inc., 2ndEdition, 1995, p. 33.1.

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