A Simultaneous Multiscale and Multiphysics Model and Numerical Implementation of a Core-Shell Model for Lithium-Ion Full-Cell Batteries

Binghe Liu, Xu Wang, Hao Sen Chen, Sen Chen, Hongxin Yang, Jun Xu, Hanqing Jiang, Dai Ning Fang

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The increasing significance on the development of high-performance lithium-ion (Li-ion) batteries is calling for new battery materials, theoretical models, and simulation tools. Lithiation-induced deformation in electrodes calls attention to study the multiphysics coupling between mechanics and electrochemistry. In this paper, a simultaneous multiscale and multiphysics model to study the coupled electrochemistry and mechanics in the continuum battery cell level and the microscale particle level was developed and implemented in comsolmultiphysics. In the continuum scale, the porous electrode theory and the classical mechanics model were applied. In the microscale, the specific particle structure has been incorporated into the model. This model was demonstrated to study the effects of mechanical constraints, charging rate, and silicon/C ratio, on the electrochemical performance. This model provides a powerful tool to perform simultaneous multiscale and multiphysics design on Li-ion batteries, from the particle level to full-cell level.

Original languageEnglish (US)
Article number041005
JournalJournal of Applied Mechanics, Transactions ASME
Volume86
Issue number4
DOIs
StatePublished - Apr 1 2019

Fingerprint

multiscale models
electric batteries
Lithium
lithium
Ions
cells
Mechanics
ions
Electrochemistry
electrochemistry
microbalances
continuums
Electrodes
electrodes
classical mechanics
charging
Silicon
silicon

Keywords

  • finite element simulations
  • lithium-ion batteries
  • multiphysics
  • multiscale

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

A Simultaneous Multiscale and Multiphysics Model and Numerical Implementation of a Core-Shell Model for Lithium-Ion Full-Cell Batteries. / Liu, Binghe; Wang, Xu; Chen, Hao Sen; Chen, Sen; Yang, Hongxin; Xu, Jun; Jiang, Hanqing; Fang, Dai Ning.

In: Journal of Applied Mechanics, Transactions ASME, Vol. 86, No. 4, 041005, 01.04.2019.

Research output: Contribution to journalArticle

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