Electrode for alkaline storage battery and method for manufactur

Details Electrode for alkaline storage battery and method for manufactur Electrode for alkaline storage battery and method for manufactur

1998-05-11

2000-09-19

Chaney, Carol

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

429236, 29 2, H01M 428, H01M 432

Patent

active

061209376

ABSTRACT:
In a positive electrode for an alkaline storage battery, a layer is formed between a porous substrate as a core material and an active material including nickel hydroxide filled into the porous substrate. The layer includes an oxide containing cobalt and nickel and/or a hydroxide containing cobalt and nickel. In the hydroxide, the average of an oxidation number of a metal is more than +II. The layer has a high electric conductivity while keeping the high corrosion resistance. A utilization rate of the active material can be improved due to the high electric conductivity. An alkaline storage battery including such an electrode has a good cycle property.

REFERENCES:
patent: 4844948 (1989-07-01), Nakahori et al.
patent: 5079110 (1992-01-01), Nakahori et al.
patent: 5248510 (1993-09-01), Lim et al.
patent: 5718988 (1998-02-01), Asano et al.
Communication from European Patent Office and attached Search Report.

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