Abstract
When the Li+ current diffuses into the anode, its volume varies greatly, the volume of the anode can increase to 300%, resulting in a significant change in the mechanical properties of the anode. Currently, there are many structures proposed as anode for lithium-ion batteries with Si materials, for example: thin plate structure, nano-particles, nanofibers, copper nano-pillar…. We attend specially to the silicon copper nano-pillar because this structure can create a generation of batteries with fast charging capacity and large capacity. In this study, we use simulation method to find the relationship between mechanical properties (displacement, deformation, stress…) and Li+ diffusion currents during charging. That will help manufacturers to choose the optimal and reasonable structure when making batteries.
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Acknowledgements
Van-Trang Nguyen was supported by the Thai Nguyen University of Technology, Thai Nguyen University (Vietnam) under grant number T2017-B01.
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Nguyen, HT., Nguyen, VT., Le, MQ. (2020). Finite Element Analysis of the Lithium Diffusion in the Silicon Copper Nano-pillar. In: Sattler, KU., Nguyen, D., Vu, N., Tien Long, B., Puta, H. (eds) Advances in Engineering Research and Application. ICERA 2019. Lecture Notes in Networks and Systems, vol 104. Springer, Cham. https://doi.org/10.1007/978-3-030-37497-6_43
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