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Capturing the stress evolution in electrode materials that undergo phase transformations during electrochemical cycling

Abstract : The present work sheds light on the stresses generated in a spherical particle subjected to phase transformations during ion-insertion. In order to account for the physical process that occur during electrochemical cycling, the models used are those of small deformation and account for the effects of phase transformation, chemo-mechanical coupling and concentration-dependent material properties. The two-phase lithiation is modeled by the Cahn-Hilliard equation.
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https://hal.archives-ouvertes.fr/hal-03183921
Contributor : Julien Réthoré <>
Submitted on : Monday, March 29, 2021 - 9:31:54 AM
Last modification on : Wednesday, April 28, 2021 - 4:45:09 PM

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Bo Wang, Julien Réthoré, Katerina Aifantis. Capturing the stress evolution in electrode materials that undergo phase transformations during electrochemical cycling. International Journal of Solids and Structures, Elsevier, 2021, ⟨10.1016/j.ijsolstr.2021.03.019⟩. ⟨hal-03183921⟩

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