And nickel electrode for an alkaline battery, nickel electrode active material powder.

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PROBLEM TO BE SOLVED : To provide an alkaline storage battery wherein capacity of the alkaline storage battery in which a nickel electrode is a positive electrode is remarkably improved, wherein the initial activation is fast and a charging accepting characteristic is superior. SOLUTION : This alkaline storage battery is provided with a nickel electrode having an active material in which an α-type nickel hydroxide (α-Ni(OH)2) containing aluminum (Al) in a solid solution or eutectic condition is the main body, and the nickel electrode is made to be the nickel electrode containing hydroxide or oxyhydroxide containing at least one kind of rare earth element among erbium (Er), thulium (Tm), ytterbium (Yb) and lutetium (Lu). COPYRIGHT : (C)2003, JPO