Pressure Prediction Modeling and Validation for Lithium-Ion Pouch Cells in Buffered Module Assemblies
Journal of Energy Storage(2021)
摘要
•Pressure evolution measurements of 22 modules over lifetime.•Buffer layers in modules effectively mitigate pressure development.•Validated pressure evolution model to guide module design.•Detailed discussion on mechanisms causing cell thickness growth over lifetime.•Measurement of gas expulsion pressure and elastoplastic compression of pouch cells.
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关键词
Lithium-ion battery,Mechanical,Module bracing,Cell thickness growth,Lifetime,Pressure Prediction
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