| abstract |
The present application provides a method for preparing negative electrode of lithium ion battery, wherein a negative electrode is obtained by plating a stannum-silicon composite layer and a stannum-carbon composite layer on the surface of a negative current collector. The negative electrode prepared according to the present application could solve the problem of large volume change during charge and discharge processes, so as to improve the cycle performance. The present application also provides a lithium ion battery using the negative electrode mentioned above. The lithium ion battery provided according to the present application has characteristics of high energy density, good charge and discharge performance, and good cycle performance. |