NEGATIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, AND LITHIUM-ION BATTERY

This application provides an anode material, a preparation method thereof and a lithium ion battery. The anode material comprises SiO and LiSiO, wherein SiO is dispersed in LiSiO, and wherein 0≤x≤1.2. The preparation method comprises the following steps of: mixing a silicon oxide SiO, a reducing lithium-containing compound and an auxiliary agent, and performing heat treatment to obtain the anode material, wherein the auxiliary agent comprises a nucleating conversion agent or a heat absorbent, and 0