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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
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

图16. (a)前三个循环期间石墨负极中的扩散应力[85]; (b)锂化和脱锂期间锗电极中扩散应力的演变, 其中箭头代表电极发生断裂的时刻[86]

Fig. 16. (a) Diffusion-induced stress in the graphite anode during the first 3 cycles[85]; (b) Evolution of diffusion-induced stress in a Ge electrode during lithiation and delithiation, the arrows represent the moment when the electrode fractures[86]