发明名称 Si alloy-containing negative electrode active material for electrical devices
摘要 Disclosed is a negative electrode active material for electrical devices, comprising an alloy having a composition represented by the formula: SixCyAlz. In the composition formula: SixCyAlz, x, y and z represent mass percent values and satisfy the following conditions: x+y+z=100; 36≦x<100; 0<y<64; and 0<z<64. The negative electrode active material for electrical devices shows well-balanced characteristics to combine high cycle performance with high initial capacity and high charge/discharge efficiency.
申请公布号 US9093706(B2) 申请公布日期 2015.07.28
申请号 US201113989260 申请日期 2011.09.27
申请人 NISSAN MOTOR CO., LTD. 发明人 Watanabe Manabu;Tanaka Osamu;Yoshida Masao
分类号 H01B1/04;H01M4/38;H01M4/134;H01M10/0525 主分类号 H01B1/04
代理机构 Foley & Lardner LLP 代理人 Foley & Lardner LLP
主权项 1. A negative electrode, comprising: a negative electrode active material for an electrical device, the negative electrode active material comprising an alloy having a composition represented by the formula SixCyAlz, wherein x, y and z represent mass percent values and satisfy the conditions: x+y+z=100; 43≦x≦61; 3≦y≦29; and 20≦z≦54.
地址 Yokohama-shi JP