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HYDROGEN STORAGE ALLOY AND SECONDARY BATTERY

2025-06-20 03:162450下载
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PROBLEM TO BE SOLVED : To provide a hydrogen storage alloy having improved hydrogen absorbing/desorbing properties. SOLUTION : The hydrogen storage alloy is characterized in that it includes an alloy ingot manufactured by a casting method or a sintering method and having a composition represented by the following general formula (2) or a pulverized material of the alloy ingot. Mg1-aR1a(Ni1-xM2x)z ... (2) (wherein, R1 denotes at least one element selected from rare earth elements including Y : M2 denotes at least one element selected from among Cr, Mn, Fe, Co, Cu and Zn; and (a), (x) and (z) satisfy 0.1≤a≤0.8, 0
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