Multiphysics Modeling of Batteries: From Materials to Devices

Short Course at ECS meetings

This short course provides an in-depth exploration of the multiphysics modeling of batteries, bridging the gap between material science and device engineering. The course covers a range of topics including electrochemistry, thermodynamics, and mechanics, all crucial for understanding battery behavior and performance. The course demonstrates engineering cases from fundamental theories, major physics, and modeling steps to the final results which can provide straightforward guidance in battery research regarding battery safety, durability, design, and manufacturing.

Topics covered
  • Fundamentals of battery materials: An overview of the materials used in battery construction, including electrodes and electrolytes and their properties
  • Electrochemical modeling: Detailed exploration of electrochemical processes in batteries, including ion transport and electrochemical reactions
  • Thermal modeling of batteries: Investigation of heat generation and dissipation in batteries, and its impact on performance and safety
  • Mechanical aspects: Analysis of mechanical stresses and strains in battery materials due to electrochemical operations
  • Battery design and simulation: Applying multiphysics models to simulate battery performance, predict behavior, and optimize design
  • Case studies: Examination of real-world applications and case studies in battery development, focusing on current challenges and innovations
About the instructor

Dr. Jun XuDr. Jun Xu is an Associate Professor in the Department of Mechanical Engineering at the University of Delaware (UD). Before joining UD, he was the Founding Director of North Carolina Battery Complexity, Autonomous Vehicle and Electrification Research Center, and an Associate Professor at the University of North Carolina at Charlotte. Dr. Xu’s research focuses mainly on multiphysics modeling and characterization of batteries and solid mechanics. He leverages his expertise in electrochemo-mechanics-thermal modeling of battery materials and cells (mainly at the continuum level) and thoroughly investigates battery safety and durability issues.

Dr. Xu earned his PhD from Columbia University in 2014. He serves as an executive committee member of the Advanced Energy System Division of the American Society of Mechanical Engineers (ASME). Dr. Xu is an Associate Editor of ASME Journal of Electrochemical Energy Conversion and Storage, Scientific Reports, and Batteries. He has published over 140 peer-reviewed journal papers with citations of 6,800+, h-index 48, and was included in the World’s Top 2% Scientist List (Stanford University, 2022 and 2023).