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Article

Extending a Homogenized Model for Characterizing Multidirectional Jellyroll Failure in Prismatic Lithium-Ion Batteries

1
State Key Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing 100084, China
2
Guangzhou Automobile Group Co., Ltd., Guangzhou 511458, China
*
Author to whom correspondence should be addressed.
Academic Editor: Carlos Miguel Costa
Energies 2021, 14(12), 3444; https://doi.org/10.3390/en14123444
Received: 5 May 2021 / Revised: 5 June 2021 / Accepted: 6 June 2021 / Published: 10 June 2021
(This article belongs to the Special Issue Crash Safety of Lithium-Ion Batteries)
Lithium-ion batteries have been widely used in electric vehicles but may cause severe internal short circuit during extreme intrusion-type accidents. A well-defined homogenized model of battery or jellyroll is necessary for safety assessment and design on large-scale structure level. In our previous study, the jellyroll of prismatic lithium-ion battery cell shows anisotropic mechanical behavior and failure tolerance. For homogenized characterization of jellyroll, in the present paper, the user subroutine of a constitutive model taking anisotropy into account is implanted into Abaqus finite element analysis software, which is capable of capturing the force versus displacement responses along different loading directions before jellyroll failure. To extend the capability of the homogenized model, five single-parameter failure criteria and two combined failure criteria are examined in predicting the failure onsets in jellyroll along different directions. The result proves the combined failure criteria is competent to correctly predict the multidirectional failure onsets compared with the single-parameter ones. View Full-Text
Keywords: prismatic lithium-ion battery; jellyroll; anisotropic mechanical behavior; failure criterion; FE simulation prismatic lithium-ion battery; jellyroll; anisotropic mechanical behavior; failure criterion; FE simulation
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MDPI and ACS Style

Zhu, L.; Xia, Y.; Liu, Y.; Ge, Y.; Wang, L.; Zhang, L. Extending a Homogenized Model for Characterizing Multidirectional Jellyroll Failure in Prismatic Lithium-Ion Batteries. Energies 2021, 14, 3444. https://doi.org/10.3390/en14123444

AMA Style

Zhu L, Xia Y, Liu Y, Ge Y, Wang L, Zhang L. Extending a Homogenized Model for Characterizing Multidirectional Jellyroll Failure in Prismatic Lithium-Ion Batteries. Energies. 2021; 14(12):3444. https://doi.org/10.3390/en14123444

Chicago/Turabian Style

Zhu, Lingxiao; Xia, Yong; Liu, Yuanjie; Ge, Yulong; Wang, Lin; Zhang, Lei. 2021. "Extending a Homogenized Model for Characterizing Multidirectional Jellyroll Failure in Prismatic Lithium-Ion Batteries" Energies 14, no. 12: 3444. https://doi.org/10.3390/en14123444

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