Cobalt compound for use in alkaline storage battery, method...

Details Cobalt compound for use in alkaline storage battery, method... Cobalt compound for use in alkaline storage battery, method...

2007-01-23

2007-01-23

Ryan, Patrick Joseph (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C029S623100, C429S223000

Reexamination Certificate

active

10008413

ABSTRACT:
To provide an alkaline storage battery, a cobalt compound obtained by mixing a cobalt hydroxide powder and a sodium hydroxide powder and applying a heat treatment to the same in an atmosphere containing oxygen, a cobalt compound obtained by adding a sodium hydroxide aqueous solution and an aqueous solution containing an oxidizing agent to a cobalt hydroxide powder, or a cobalt compound obtained by baking a cobalt hydroxide powder in an atmosphere containing oxygen is used. This provides cobalt compounds suitable for producing long-life and highly reliable alkaline storage batteries, methods for manufacturing the same, and positive electrode plates of alkaline storage batteries employing the same.

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