| 简介 |
PROBLEM TO BE SOLVED : To provide a hydrogen storage alloy etc. capable of making the recycling characteristics of a nickel hydride battery excellent. SOLUTION : The hydrogen storage alloy is characterized in that the composition is represented by an general formula : M1tYuCavMgwM2x(where, t, u, v, w and x satisfy relations; 3.20≤x/(t+u+v+w)≤3.75, 3.4≤w≤4.7, 0.6≤u≤5.0, 1.1≤v≤6.6, t+u+v+w+x=100, M1 is one, or two or more elements selected from the group composed of rare earth elements excluding Y, V, Nb, Ta, Ti, Zr and Hf, and M2 is one, or two or more elements selected from the group composed of Ni, Co, Mn, Al, Cu, Fe, Cr and Zn). COPYRIGHT : (C)2011, JPO&INPIT |
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