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Calibration of Crushable Foam Models for the Jellyroll of Cylindrical Lithium-Ion Batteries

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  • Young Ju Ahn

    (Department of Mechanical and Design Engineering, Hongik University, Sejong-ro 2639, Jochiwon-eup, Sejong 339-701, Republic of Korea)

Abstract

Crushable foam plasticity models are employed to simulate material response under essentially monotonic loading. For the plastic part of the behavior, the default crushable foam model in Abaqus/Explicit is the volumetric hardening model, where the yield surface evolves by the volumetric compacting plastic strain, and the other available model is the isotropic hardening model, where the yield curve is centrally located at the origin in the pressure—the Mises stress plane. In this study, the characteristic of two models was examined by applying them to a simple 18650 lithium-ion cylindrical cell. The computation cell model consists of the shell casing and the homogenized jelly roll which represents the electrode assembly. Both crushable foam models were calibrated to represent the homogenized mechanical properties of the jellyroll, and the load–displacement relations were compared with the experimental results. Then, we examined the deformation characteristic of jellyroll for each crushable foam model.

Suggested Citation

  • Young Ju Ahn, 2024. "Calibration of Crushable Foam Models for the Jellyroll of Cylindrical Lithium-Ion Batteries," Energies, MDPI, vol. 17(6), pages 1-12, March.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:6:p:1360-:d:1355834
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    References listed on IDEAS

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    1. Wang, WenWei & Yang, Sheng & Lin, Cheng, 2017. "Clay-like mechanical properties for the jellyroll of cylindrical Lithium-ion cells," Applied Energy, Elsevier, vol. 196(C), pages 249-258.
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