硅基负极与电解液化学反应的分析与抑制策略

于春辉, 何姿颖, 张晨曦, 林贤清, 肖哲熙, 魏飞

The analyses and suppressing strategies of silicon anode with the electrolyte

YU Chunhui, HE Ziying, ZHANG Chenxi, LIN Xianqing, XIAO Zhexi, WEI Fei

图6 Si@C与Si@TiN循环前后电化学阻抗谱对比。(a) Si@C不同循环圈数的EIS对比；(b) Si@TiN不同循环圈数的EIS对比; (c) Si@C与Si@TiN不同循环圈数之后锂离子扩散系数对比

Fig. 6 EIS results of different cycles. (a) EIS data of Si@C after different cycles; (b) EIS data of Si@C after different cycles; (c) Comparison of diffusion coefficients of lithium ions