扩散应力诱导的锂离子电池失效机理研究进展
王亚楠1,2,3(
),李华1,2,3,王正坤1,厉青峰1,练晨1,何鑫1
),李华1,2,3,王正坤1,厉青峰1,练晨1,何鑫1
Progress on Failure Mechanism of Lithium Ion Battery Caused by Diffusion Induced Stress
WANG Yanan1,2,3(),LI Hua1,2,3,WANG Zhengkun1,LI Qingfeng1,LIAN Chen1,HE Xin1
),LI Hua1,2,3,WANG Zhengkun1,LI Qingfeng1,LIAN Chen1,HE Xin1
图15. 硅电极的裂纹扩展现象[
Fig. 15. Crack propagation of a silicon electrode[
(a) Fresh electrode; (b) Electrode of 1000 nm thickness after 5 cycles; (c) Electrode of 500 nm thickness after 5 cycles; (d) Electrode of 200 nm thickness after 10 cycles
