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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8. (a)放电深度为60%时多颗粒模型中的锂浓度分布[46,47]; (b)考虑均匀基质的多颗粒模型及单颗粒-基质的代表性单元[48]; (c)考虑均匀基质的多颗粒-基质的电极结构及1C放电时活性颗粒的扩散应力分布[50]

Fig. 8. (a) Lithium concentration distribution in the multi-particle model at 60% Depth of Discharge (DOD)[46,47]; (b) Multi-particle model considering homogeneous matrix and single-particle-matrix representative unit[48]; (c) Multi-particle-matrix electrode structure considering homogeneous matrix and diffusion-induced stress distribution of active particles during 1C discharge[50]