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11 碳化硅陶瓷层对循环性能的改进。(a)～(c) Si@SiC@C循环20圈的HAADF照片以及对应的Li、F EELSE Mapping；(d) Si@SiC@C倍率性能测试；(e)1 A/g电流密度下的循环性能测试

Fig. 11 The enhancement of SiC layer for cycling performance. (a)-(c) HAADF image and corresponding Li,F EELS Mapping after 20 cycles; (d) The rate performance of Si@SiC@C; (e) The cycling performance of Si@SiC@C at alarge current of 1 A/g