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Numerical Modeling of Lithium-Ion Battery Cells and Modules Subjected to Low Speed Indentation
Technical Paper
2020-01-0451
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Lithium-ion (or Li-ion) battery systems are being increasingly used as the main power source in new generation hybrid and electric vehicles. Their mechanical integrity under abuse loading conditions is very important for vehicle safety design. In this research, a computational study was performed to simulate mechanical tests on vehicle battery cells and modules. The tests were conducted on commercial Li-ion battery cells and entire modules at low speed using a high capacity material testing system. Based on loading and boundary conditions during the tests, finite element (FE) models using the explicit FEA solver LS-DYNA, were developed. The model predictions demonstrated reasonable agreement in terms of failure modes and force-displace response at both cell and module levels. With this newly developed numerical model for the entire battery module, a parametric study was performed to investigate the effect of small design modifications on its overall behavior subject to punch penetration.
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Citation
Zhu, F., Du, X., Lei, J., Audisio, L. et al., "Numerical Modeling of Lithium-Ion Battery Cells and Modules Subjected to Low Speed Indentation," SAE Technical Paper 2020-01-0451, 2020, https://doi.org/10.4271/2020-01-0451.Also In
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