Alkaline storage battery and positive electrode used for the alkaline storage battery
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsTatsuhiko Suzuki, Yoshitaka Dansui, Hideki Kasahara, Kohji Yuasa
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Abstract
A alkaline storage battery using positive electrodes comprising an active material containing nickel hydroxide particles and a rare earth element or a compound thereof containing or mixed with 0.1-100 ppm of Fe or an Fe compound based on the rare earth element or the compound thereof is provided.
Claims10
A positive electrode for alkaline storage batteries which contains nickel hydroxide particles and a rare earth element or a compound thereof containing Fe or an Fe compound, the content of said Fe or Fe compound being 0.1-100 ppm based on the rare earth element or the compound thereof.
A positive electrode for alkaline storage batteries which contains a mixture of nickel hydroxide particles, a rare earth element or a compound thereof, and Fe or an Fe compound, the content of said Fe or Fe compound being 0.1-100 ppm based on the rare earth element or the compound thereof.
An alkaline storage battery which comprises a positive electrode containing nickel hydroxide particles and a rare earth element or a compound thereof containing Fe or an Fe compound, the content of said Fe or Fe compound being 0.1-100 ppm based on the rare earth element or the compound thereof, a negative electrode, a separator and an alkaline electrolyte.
An alkaline storage battery which comprises a positive electrode containing a mixture of nickel hydroxide particles, a rare earth element or a compound thereof and Fe or an Fe compound, the content of said Fe or Fe compound being 0.1-100 ppm based on the rare earth element or the compound thereof, a negative electrode, a separator and an alkaline electrolyte.
Dependencies are inferred from the claim text.