5.18.23-Energy-Zhu

Conference Video|Duration: 35:47
May 18, 2023
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  • Video details
    The principles of electrochemistry govern the performance of batteries. On the other side of the coin, it is the mechanics of particles, electrodes, and cells that largely determine the safety, reliability, and lifetime of the electrochemical systems. Typical examples include fire incidents of EVs where the mechanical deformation of batteries leads to internal short circuits; the capacity fade of battery cells where cracks of active particles cause undesired side reactions and accelerate the degradation; and the management of Li-ion battery modules and some novel solid-state batteries where external pressure is usually applied to prolong the lifetime of the systems. This presentation will provide an overview of recent studies of modeling the mechanics in Li-ion and solid-state batteries at different length scales.
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  • Video details
    The principles of electrochemistry govern the performance of batteries. On the other side of the coin, it is the mechanics of particles, electrodes, and cells that largely determine the safety, reliability, and lifetime of the electrochemical systems. Typical examples include fire incidents of EVs where the mechanical deformation of batteries leads to internal short circuits; the capacity fade of battery cells where cracks of active particles cause undesired side reactions and accelerate the degradation; and the management of Li-ion battery modules and some novel solid-state batteries where external pressure is usually applied to prolong the lifetime of the systems. This presentation will provide an overview of recent studies of modeling the mechanics in Li-ion and solid-state batteries at different length scales.
Locked Interactive transcript

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