Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Include electrolyte chemically specified and method
Patent
1993-07-22
1995-03-07
Kalafut, Stephen
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Include electrolyte chemically specified and method
429223, 429232, H01M 462
Patent
active
053957121
ABSTRACT:
A paste-type nickel electrode for an alkaline storage battery and an alkaline storage battery containing the electrode are described. In one embodiment, the paste-type nickel electrode contains a nickel filamentary powder electroconductive agent having a network of three-dimensional chain structures with an average diameter of equal to or less than about 1.3 .mu.m. When the paste-type nickel electrode is used as the positive electrode of an alkaline storage battery, a high capacity, long-life alkaline storage battery is obtained. In a second embodiment, an improved alkaline storage battery is obtained through the provision of a paste-type nickel positive electrode plate containing at least one of a Co powder and a CoO powder as an electroconductive agent and an alkaline electrolyte solution having an alkaline concentration of 35 wt. % or greater. In a most preferred embodiment, this latter alkaline storage battery additionally contains a nickel powder electroconductive agent having a network of three-dimensional chains with an average diameter of 1.3 .mu.m or less in the positive electrode.
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Furukawa Denchi Kabushiki Kaisha
Kalafut Stephen
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