 | | Mechanics of Solids
A Journal of Russian Academy of Sciences | | Founded
in January 1966
Issued 6 times a year
Print ISSN 0025-6544
Online ISSN 1934-7936 |
Archive of Issues
| Total articles in the database: | | 11262 |
| In Russian (Èçâ. ÐÀÍ. ÌÒÒ): | | 8011
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| In English (Mech. Solids): | | 3251 |
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| Yaohong Suo, Junwen Xiao, and Zhaokun He, "Analysis of Diffusion-Induced Deformation in a Spherical Electrode with Surface Effect and Structural Damage," Mech. Solids. 58 (3), 985-993 (2023) |
| Year |
2023 |
Volume |
58 |
Number |
3 |
Pages |
985-993 |
| DOI |
10.3103/S0025654423600265 |
| Title |
Analysis of Diffusion-Induced Deformation in a Spherical Electrode with Surface Effect and Structural Damage |
| Author(s) |
Yaohong Suo (College of Mechanical Engineering and Automation, Fuzhou University, Fuzhou, Fujian, 350108 China, yaohongsuo@126.com)
Junwen Xiao (College of Mechanical Engineering and Automation, Fuzhou University, Fuzhou, Fujian, 350108 China)
Zhaokun He (College of Mechanical Engineering and Automation, Fuzhou University, Fuzhou, Fujian, 350108 China) |
| Abstract |
Surface effect in nanoelectrode plays a significant role in the diffusion-induced-stresses which results in fracture at the surface during the charge or discharge of lithium-ion batteries. In this work, considering the surface effect and structural damage, a coupled diffusion-induced deformation model is developed in a nanosphere electrode particle under potentiostatic operation. Then the effects of surface parameters and damage constant on the damage state variable, concentration of lithiumions, radial stress, hoop stress and equivalent stress are investigated, respectively. Numerical results show that the compressive surface effect reduces structural damage state variable and the lithium-ion concentration, and hinders the damage through converting the hoop stress from tensile to compressive; The maximum equivalent stress occurs at the surface for smaller damage constant and it will move toward the center for larger damage constant. |
| Keywords |
surface effect, structural damage, diffusion-induced stress, lithium-ion batteries |
| Received |
28 February 2023 | Revised |
02 April 2023 | Accepted |
04 April 2023 |
| Link to Fulltext |
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