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Home   /   Post Doctorat   /   HPC simulation of electrode mechanical properties in Li-ion batteries

HPC simulation of electrode mechanical properties in Li-ion batteries

Condensed matter physics, chemistry & nanosciences Engineering sciences Mechanics, energetics, process engineering Physical chemistry and electrochemistry


Li-ion batteries are complex multi-physics systems in which chemical reactions, transport phenomena, and mechanical deformation are strongly coupled. The battery electrodes are composed of micrometric granular materials (the microstructure) where the lithium can insert and disinsert, a process that creates internal mechanical stress and strain in the materials and subsequent volumic changes. While it is currently observed that the coupling between electrochemical reactions and mechanical deformation at the microstructure level strongly impacts the battery performances, lifespan and safety, the origin of this impact is poorly understood. The global objective of this position is to better understand the coupling between mechanical deformations of the microstructure and the local conditions of lithium transport in the electrode. The study should lead to practical applications such as recommendation on the electrode design to increase life capability of Li-ion batteries.


Département de l’Electricité et de l’Hydrogène pour les Transports (LITEN)
Service Architecture électrique, Modélisation et Analyse
Laboratoire Modélisation multi-échelle et suivi Performance
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