2015
DOI: 10.1149/2.0631603jes
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Elasticity and Size Effects on the Electrochemical Response of a Graphite, Li-Ion Battery Electrode Particle

Abstract: The interactions between electrochemical response, elasticity and particle size of a cylindrical, Li-ion battery, graphite electrode particle is studied. First, a potentiostatic study is conducted to demonstrate the role of higher-order stress terms of the chemical potential on the distributions of flux, stresses and concentrations. Then, two cyclic voltammetry experiments are simulated to study the effects of elasticity on the voltammograms. In the first, the electrode is discharged and then charged, while th… Show more

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Cited by 24 publications
(20 citation statements)
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“…The initial concentration c o is assumed to be zero and outer boundary is subjected to constant Flux J. The material parameters used for both the boundary value problem is tabulated in the Table 1, which corresponds to the Li in the graphite system [60].…”
Section: Weak Form and Finite Element Implementationmentioning
confidence: 99%
“…The initial concentration c o is assumed to be zero and outer boundary is subjected to constant Flux J. The material parameters used for both the boundary value problem is tabulated in the Table 1, which corresponds to the Li in the graphite system [60].…”
Section: Weak Form and Finite Element Implementationmentioning
confidence: 99%
“…A few works highlight the effect of the mechanical stresses on the electrochemical response and underline the importance of including the stress terms in the chemical potential. [33][34][35][36] There have been other works describing the detailed aspects of the numerical modelling of the active particles with the incorporation of stress-diffusion effects. [37][38][39][40][41] The aforementioned studies focused on the various aspects concerning stress diffusion interactions at the individual particle level.…”
Section: Introductionmentioning
confidence: 99%
“…A few works highlight the effect of the mechanical stresses on the electrochemical response and underline the importance of including the stress terms in the chemical potential 33‐36 . There have been other works describing the detailed aspects of the numerical modelling of the active particles with the incorporation of stress‐diffusion effects 37‐41 …”
Section: Introductionmentioning
confidence: 99%
“…More realistic models account for full coupling between diffusion and mechanics by appealing to the consistent thermodynamical framework introduced by Larché and Cahn (1973). Numerical results have been obtained for various geometries (Christensen and Newman, 2006;Zhang et al, 2007;Swaminathan et al, 2016) but no analytical expression has been obtained so far.…”
Section: Introductionmentioning
confidence: 99%