| 简介 |
PROBLEM TO BE SOLVED : To improve a hydrogen-storage alloy for alkaline storage battery containing rare earth elements, Ni and Mg using as its negative electrode, and hydrogen-storage capability thereof, and to improve a cycle life of the alkaline storage battery.
SOLUTION : The hydrogen-storage alloy for alkaline storage battery which is produced by a rapid cool using a rapid quenching method and whose component is represented by a general formula Ln1-xMgxNia-b-cAlbZc is used for a negative electrode of an alkaline storage battery (where Ln is at least an element selected from rare earth elements including Y, Zr, and Z is at least one element selected from the group consisting of V, Nb, Ta, Cr, Mo, Mn, Fe, Co, Ga, Zn, Sn, In, Cu, Si, P, and B, 0.05≤x<0.25, 2.8≤a≤3.9, 0
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