Alkaline storage battery
First Claim
1. An alkaline storage battery including a positive electrode comprising as an active material a cobalt hydroxide base containing from about 15 to 65 wt % nickel hydroxide with cobalt hydroxide present in an amount of above 20 wt. % of the cobalt hydroxide and nickel hydroxide mixture.
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Abstract
An alkaline storage battery is described including a positive electrode comprising as an active material a cobalt hydroxide base containing from about 15 to 65 wt % nickel hydroxide and a negative electrode comprising zinc or cadmium as an active material; the alkaline storage battery can be charged rapidly, has a high energy density, and the residual capacity of the battery can be easily measured by detection of the electromotive force of the battery.
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Citations
8 Claims
- 1. An alkaline storage battery including a positive electrode comprising as an active material a cobalt hydroxide base containing from about 15 to 65 wt % nickel hydroxide with cobalt hydroxide present in an amount of above 20 wt. % of the cobalt hydroxide and nickel hydroxide mixture.
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2. An alkaline storage battery including, as an active material of said positive electrode forming the battery, a product obtained by heat-treating a mixture or a mixed solution of cobalt nitrate and nickel nitrate having a nickel content of from about 15 to 65 wt %, based on the total amount of cobalt and nickel, at 110 to 300°
- C., and then dipping the resulting material into an aqueous alkaline solution.
Specification