The negative electrode active material, a battery, a battery pack, an electronic device, motor v

文件类型：PDF文档
文件大小：8187K
A negative electrode active material includes a core particle comprising silicon; and at least one metal element selected from the group consisting of : Ge, Sn, Ni, Mo, W, Ag, Pd, Cu, Bi, Fe, Co, Mn, Cr, V, Ga, B, Sb, In, Te, Cd, Rh, Ru, Nb, Ta, Re, Os, Ir, Pt, Pb and P. The negative electrode active material has an elemental composition that varies continuously from a center of the core particle to a surface of the core particle. A negative electrode, a battery, an electric vehicle, an electric storage apparatus, an electronic apparatus and a power storage system each include the negative electrode active material.