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

Lingxiao Zhu, Yong Xia, Yuanjie Liu, Yulong Ge, Lin Wang and Lei Zhang
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Lingxiao Zhu: State Key Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing 100084, China
Yong Xia: State Key Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing 100084, China
Yuanjie Liu: State Key Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing 100084, China
Yulong Ge: State Key Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing 100084, China
Lin Wang: Guangzhou Automobile Group Co., Ltd., Guangzhou 511458, China
Lei Zhang: Guangzhou Automobile Group Co., Ltd., Guangzhou 511458, China

Energies, 2021, vol. 14, issue 12, 1-15

Abstract: 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.

Keywords: prismatic lithium-ion battery; jellyroll; anisotropic mechanical behavior; failure criterion; FE simulation (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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