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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11. (a)考虑集流体塑性变形的双层电极的初始状态和锂化变形[62]; (b)石墨活性层和铜集流体组成的对称电极模型[63]; (c)石墨和硅的弹性模量随SOC的变化[69]

Fig. 11. (a) Initial state and lithiation deformation of the double-layer electrode considering plasticity of the current collector[62]; (b) Symmetrical electrode model composed of graphite active layers and copper current collector[63]; (c) Relationship between the elastic modulus of graphite and silicon and SOC[69]