A Cahn-Hilliard-type theory for species diffusion coupled with large elastic-plastic deformations

被引：143
作者：
Anand, Lallit [1 ]
机构：
[1] MIT, Dept Mech Engn, Cambridge, MA 02139 USA
来源：
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS | 2012年 / 60卷 / 12期
基金：
美国国家科学基金会;
关键词：
Continuum mechanics; Diffusion; Elasticity; Plasticity; Lithium-ion batteries; LITHIUM-ION BATTERIES; STRESS; ELECTRODES; MECHANICS; CAPACITY;
D O I：
10.1016/j.jmps.2012.08.001
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We develop a unified framework of balance laws and thermodynamically consistent constitutive equations which couple Cahn-Hilliard-type species diffusion with large elastic-plastic deformations of a body, and account for the swelling and phase segregation caused by the diffusing species. A potential, technologically important, area of application of the theory is in the chemo-mechanical analysis of the evolution of large stresses which develop because of the volume changes associated with the diffusion of lithium ions in the active electrode particles of lithium-ion batteries during charge-discharge cycles. (C)2012 Elsevier Ltd. All rights reserved.
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页码：1983 / 2002
页数：20
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