Webinar | Unravelling Chemomechanical Effects in Lithium-Ion Batteries

Register now for this April 30^th webinar, hosted by the IMechE and COMSOL, featuring guest speaker Dr Adam Boyce, University College Dublin, exploring how to model chemomechanical effects in lithium-ion batteries.

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Lithium-ion batteries (LIBs) are the backbone of modern energy storage technologies, powering everything from consumer electronics to electric vehicles and grid-scale applications. As demands for higher energy density, longer lifespan and improved safety continue to rise, understanding the intricate interplay between chemistry and mechanics—known as chemomechanics—becomes increasingly critical. During charge and discharge, lithium ions migrate between the anode and cathode, which leads to volume expansion/contraction and stress accumulation within electrode materials. These mechanical responses can result in microstructural damage, such as particle fracturing, electrode delamination and crack formation, all of which degrade the battery’s capacity and cycle life. To better understand and address the challenges resulting from the complex interplay between electrochemistry and mechanics in battery materials, a modelling and simulation approach was developed. 

During the webinar, Dr Adam Boyce will demonstrate how chemomechanics influences battery performance and degradation in LIBs. He will show the use of microstructural modelling in COMSOL Multiphysics and X-ray imaging to study the electrochemically-induced volumetric strains and subsequent particle fracture in next-generation battery technologies like silicon-based anodes, and composite cathodes in solid-state batteries. Additionally, a LIB electrode microstructure example comprised of three discrete phases where the morphology, distribution and properties of each constituent material dictate final battery performance and subsequent degradation will be shown and the microstructure-property-performance relationship will be demonstrated through a chemomechanical model based on the real heterogeneous electrode structure.

When

Wednesday, April 30, 2025 | 2pm BST (Sign up to receive the on-demand recording)

About COMSOL

The COMSOL Multiphysics® modelling and simulation software is used in all fields of engineering, manufacturing and scientific research to simulate designs, devices and processes. The platform is an integrated environment for creating physics-based models and simulation applications.