| 简介 |
PROBLEM TO BE SOLVED : To provide a negative electrode material for a nonaqueous electrolyte battery realizing the nonaqueous electrolyte battery with high discharge capacity and long charge/discharge cycle life.
SOLUTION : The negative electrode material contains a crystalline alloy represented by general formula (1). AaSibMcTdXeRf (1). Wherein, A is at least one element selected from the group comprising Mg, Ca, Sr, and Ba. M is at least one element selected from the group comprising Co, Ni, Fe, Cu, Mn, V, and Cr, T is at least one element selected from the group comprising Ti, Zr, Hf, Nb, Ta, Mo, and W, X is at least one element selected from the group comprising Sn, Al, Sb, Zn, and In, R is at least one element selected from rare earth elements, and a, b, c, d, e, and f represent a+b+c+d+e+f=100 atomic percent, 10≤a≤50, 30≤b≤65, 0
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