| 简介 |
PROBLEM TO BE SOLVED : To provide a nickel hydride storage battery using a rare earth-Ca-Mg-Ni-based alloy as an active material of a negative electrode, which causes no remarkable deterioration in discharge capacity during from an initial stage to a time for performing about 10 cycles of charging/discharging cycles.
SOLUTION : A battery according to the present invention includes : a negative electrode including a rare earth-Ca-Mg-Ni-based hydrogen absorbing alloy that contains one or two or more elements selected from the group consisting of Y, Pr, Nd and Sm; and an alkaline electrolyte containing 2.0 mol/L or more of sodium ions.
COPYRIGHT : (C)2015, JPO&INPIT |
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