NEGATIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, AND BATTERY

Abstract: provided is a negative electrode material and a preparation method thereof, and a battery. the negative electrode material includes a core and a coating layer located on at least partial surface of the core. the core includes graphite, the coating layer includes a carbon material, and a surface of the graphite and/or the coating layer includes nitrogen atoms. uniformity of a doping concentration of the nitrogen atoms is a, and a≤0.5. according to the negative electrode material provided in the present disclosure, the uniform doping of the nitrogen atoms can adjust an energy band structure of a graphite negative electrode material.

Inventor(s): Hang DONG, Tao XU, Haihui ZHOU, Peng HE, Jianguo REN, Xueqin HE

CPC Classification: C01B32/21 (NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; {METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS })

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