Analysis of large-deformed electrode of lithium-ion battery: Effects of defect evolution and solid reaction

Li, Yong; Mao, Wenya; Zhang, Kai; Yang, Fuqian

doi:10.1016/j.ijsolstr.2019.05.001

Cited by 26 publications

(8 citation statements)

References 40 publications

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“…Some works considered the contribution of the volumetric change associated with solid-chemical reactions 9,11 and/or assumed that the migration-induced strain/stress consists of the contributions of mobile and immobile atoms/ions. 12,13 There is a consensus that the migration-induced strain/stress plays an important role in determining the long-term durability of metal-ion batteries.…”

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confidence: 99%

Generalized Theory for Diffusion-Induced Stress

Yang

2021

J. Electrochem. Soc.

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The charging/discharging rate plays an important role in determining the structural integrity of metal-ion batteries, such as lithium-ion and sodium-ion batteries. In this work, we follow the approach by Green and Lindsay [Journal of Elasticity 2, 1 (1972)] and incorporate the contribution of the time derivative of the concentration of solute atoms to strain energy in Helmholtz and Gibbs free energies. Using the free energies, we obtain the chemical potential of the solute atoms and a generalized constitutive relation with the contribution of the concentration of the solute atoms and the time derivative of the concentration of the solute atoms. We use the generalized constitutive relation to analyze the stress evolution in an infinite, elastic cylinder under the condition that the stress-limited diffusion is negligible. The numerical results reveal that the term of the time derivative of the concentration of the solute atoms in the constitutive relation contributes to tensile hoop stress on the surface of the cylinder, which can initiate surface cracks and cause structural damage during the influx of the solute atoms. The generalized constitutive relation provides an approach to investigate the effect of charging/discharging rate on the structural integrity of electrodes in metal-ion batteries during electrochemical cycling.

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confidence: 99%

Generalized Theory for Diffusion-Induced Stress

Yang

2021

J. Electrochem. Soc.

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“…The elastic potential in ( 62) is the equivalent incompressible strain energy function used widely by many authors to investigate DIS when the chemical potential is stress-dependent (see for example [26,29,30,72,24,91]) and therefore the Cauchy stress in (60) becomes…”

Section: -Order Weakly Nonlinear Elasticity: Incompressible Casementioning

confidence: 99%

Diffusion-induced stress in a functionally graded incompressible elastic sphere

Pascalis

2022

International Journal of Non-Linear Mechanics

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“…However, the approach used in this work can be extended to analyze the effects of trapped lithium on visco-plastic deformation presented in electrode materials of similar systems, such as Sn or Ge electrodes. 43 , 44 …”

Section: Introductionmentioning

confidence: 99%

“…Mathematically, a reaction-diffusion system can be described by a parabolic partial differential equation. Taking into account the effect of stress on diffusion, the diffusion equation in a largely deformed solid can be formulated as 44

…”

Section: Introductionmentioning

confidence: 99%

Chemical stress in a largely deformed electrode: Effects of trapping lithium

Li,

Huang,

Zhang

et al. 2023

iScience

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Analysis of large-deformed electrode of lithium-ion battery: Effects of defect evolution and solid reaction

Cited by 26 publications

References 40 publications

Generalized Theory for Diffusion-Induced Stress

Generalized Theory for Diffusion-Induced Stress

Diffusion-induced stress in a functionally graded incompressible elastic sphere

Chemical stress in a largely deformed electrode: Effects of trapping lithium

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