多级碳复合的大尺寸硅颗粒在锂离子电池负极中的性能

郑瀚, 来沛霈, 田晓华, 孙卓, 张哲娟

Performance of large-scale silicon particles coated with multistage carbon as anode materials for lithium-ion batteries

Han ZHENG, Peipei LAI, Xiaohua TIAN, Zhuo SUN, Zhejuan ZHANG

图9 循环前后不同负极的SEM图：(a) Si负极；(b) Si负极，循环100次；(c) SPU-8负极；(d) SPU-8负极，循环500次；(e) SPU#PANI-3负极；(f) SPU#PANI-3负极，循环100次；(g)～(h) SPU#PANI-3负极，循环500次

Fig. 9 SEM images of different anode before and after cycle: (a) Si; (b) Si anode after 100 cycles; (c) SPU-8 anode; (d) SPU-8 anode after 500 cycles; (e) SPU#PANI-3 anode; (f) SPU#PANI-3 anode after 100 cycles; (g)—(h) SPU#PANI-3 anode after 500 cycles