| abstract |
The present application relates to a negative electrode active material, an electrochemical device, and an electronic device. The negative electrode active material includes composite particles, the composite particles include silicon oxide particles, a first coating layer on the surface of the silicon oxide particles, and a carbon coating layer on the surface of the first coating layer, the first coating layer The layer includes aluminum oxide and My N z , M is selected from at least one of Zn, Sn, Mn, Ti or Co, N is at least one of O, S or Se, 0<y<4, 0<z <4. The anode active material is used in electrochemical devices, and the cycle stability is improved while maintaining the kinetic and rate performance of the material. |