Positive electrode for alkaline storage battery and alkaline storage battery using the same
AssigneesMatsushita Electric Industrial Co., Ltd., Toyota Jidosha Kabushiki Kaisha
InventorsKojiro Ito, Kiyoshi Hayashi, Toshihiro Yamada, Nobuyasu Morishita, Shinichi Yuasa
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Abstract
A positive electrode for an alkaline storage battery having a high capacity and facilitating the manufacturing thereof and an alkaline storage battery using the same are provided. The positive electrode utilized includes active material powder containing nickel hydroxide and powder made of cobalt compounds, where a ratio of a cobalt compound with a valence of cobalt being 2.6 or more to the whole of cobalt compounds is 30 weight % or more.
Claims6
A positive electrode for an alkaline storage battery, comprising first powder containing nickel hydroxide and second powder made of cobalt compounds, wherein prior to the second powder being combined with the first powder, a ratio of a cobalt compound with a valence of cobalt being 2.6 or more to a total of the cobalt compounds is 30 weight % or more.
Dependencies are inferred from the claim text.