典型文献
The Non-local Effects Induced by Rapid Transient Mass Diffusion in a Spherical Silicon Electrode of Lithium-ion Batteries
文献摘要：
For the development of the fast charging technology of lithium-ion batteries,describing the rapid transient mass diffusion process accurately is the premise to avert the mechanical degradation caused by the diffusion-induced stress.In this paper,we present a diffusion-elasticity model based on the finite deformation theory with the consideration of non-local effects of mass transfer.The proposed model is then applied to analyze the evolution and distribution of stress and lithium concentration in a silicon electrode during the rapid charging process under potentiostatic operation.The cases with and without the contribution of non-local diffusion effects are both calculated for comparative analysis.The dependence of the influence of non-local effects on diffusion relaxation time τ0 is discussed.The results show that a diffusive wave appears when the value of τ0 is sufficiently large,and it moves inside gradually during the rapid charging process,which is qualitatively consistent with the results from literature.
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中图分类号：
作者姓名：
Feng Wang;Kai Zhang;Bailin Zheng
作者机构：
School of Aerospace Engineering and Applied Mechanics,Tongji University,Shanghai 200092,China
文献出处：
引用格式：
[1]Feng Wang;Kai Zhang;Bailin Zheng-.The Non-local Effects Induced by Rapid Transient Mass Diffusion in a Spherical Silicon Electrode of Lithium-ion Batteries)[J].固体力学学报（英文版）,2022(01):174-184
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0.646914
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