Finite Element Analysis of the Lithium Diffusion in the Silicon Copper Nano-pillar

  • Huu-Tu Nguyen
  • Van-Trang NguyenEmail author
  • Minh-Quy Le
Conference paper
Part of the Lecture Notes in Networks and Systems book series (LNNS, volume 104)


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.


Diffusion Finite element analysis Li-ion battery Stress 



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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Authors and Affiliations

  1. 1.Faculty of Fundamental ScienceMilitary Academy of LogisticsHanoiVietnam
  2. 2.Faculty of Mechanical EngineeringThai Nguyen University of TechnologyThai NguyenVietnam
  3. 3.Department of Mechanics of Materials and Structures, School of Mechanical EngineeringHanoi University of Science and TechnologyHanoiVietnam

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