Alkaline storage battery and method for producing positive elect

Details Alkaline storage battery and method for producing positive elect Alkaline storage battery and method for producing positive elect

1996-11-14

1998-09-08

Gorgos, Kathryn L.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

429223, H01M 450, H01M 452

Patent

active

058043349

ABSTRACT:
The present invention provides an alkaline storage battery comprising a positive electrode containing a nickel hydroxide active material and a compound oxide in a range of 2 wt % to 30 wt % to the amount of the nickel hydroxide. The compound oxide contains at least one transition metal element and at least one rare earth element or alkaline earth metal element. The compound oxide has conductivity of 10.sup.-2 S/cm or higher at 25.degree. C. and stability in an alkaline electrolyte. Consequently, the alkaline storage battery shows excellent characteristics in a long-term preservation at a high temperature, capacity restoration, and charge/discharge cycle life.

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Edith Schleitzer-Steinkopf, Gmelins Handbuch der anorganischen Chemie, 8th Ed., Part C1, pp. 201-204, (1973).

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