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首页> 外国专利> NANO-SIZE PARTICLE, NEGATIVE ELECTRODE MATERIAL FOR LITHIUM ION SECONDARY BATTERY INCLUDING THE NANO-SIZE PARTICLE, NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, LITHIUM ION SECONDARY BATTERY, AND METHOD FOR PRODUCING THE NANO-SIZE PARTICLE

NANO-SIZE PARTICLE, NEGATIVE ELECTRODE MATERIAL FOR LITHIUM ION SECONDARY BATTERY INCLUDING THE NANO-SIZE PARTICLE, NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, LITHIUM ION SECONDARY BATTERY, AND METHOD FOR PRODUCING THE NANO-SIZE PARTICLE

机译：纳米粒子，锂离子二次电池的负极材料，包括纳米粒子，锂离子二次电池，锂离子二次电池的负极以及制备纳米粒子的方法

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摘要

PROBLEM TO BE SOLVED: To provide a negative electrode material for a lithium ion secondary battery that achieves a high capacity and good cycle characteristics.SOLUTION: A nano-size particle includes an element A-1 and an element A-2 which are two elements selected from the group consisting of Si, Sn, Al, Pb, Sb, Bi, Ge, In, and Zn, and an element D which is at least one element selected from the group consisting of Fe, Co, Ni, Ca, Sc, Ti, V, Cr, Mn, Sr, Y, Zr, Nb, Mo, Tc, Ru, Rh, Ba, lanthanoid elements (except for Ce and Pm), Hf, Ta, W, Re, Os, and Ir, and has a first phase which is an elemental substance or a solid solution of the element A-1, a second phase which is an elemental substance or a solid solution of the element A-2, and a third phase which is a compound of the element A-1 and the element D. The negative electrode material for a lithium ion secondary battery includes the nano-size particle as a negative electrode active material.
机译：解决的问题：提供一种用于锂离子二次电池的负极材料，该负极材料具有高容量和良好的循环特性。解决方案：纳米级粒子包括元素A-1和元素A-2这两个元素选自由Si，Sn，Al，Pb，Sb，Bi，Ge，In和Zn组成的组，以及元素D，其为选自由Fe，Co，Ni，Ca，Sc组成的组中的至少一种元素，Ti，V，Cr，Mn，Sr，Y，Zr，Nb，Mo，Tc，Ru，Rh，Ba，镧系元素（Ce和Pm除外），Hf，Ta，W，Re，Os和Ir，并且具有作为元素A-1的元素物质或固溶体的第一相，作为元素A-2的元素物质或固溶体的第二相和作为元素A-2的化合物的第三相。锂离子二次电池用负极材料包括纳米级粒子作为负极活性物质。

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