Dynamic failure mechanisms of cylindrical lithium-ion batteries
The development of lithium-ion batteries (LIBs) has been constrained by impact safety concerns. This study aims to provide novel failure mechanisms of
To describe the mechanical response of cylindrical batteries more comprehensively, Zhu et al. established a detailed model of cylindrical lithium-ion batteries, which can only reveal the failure sequence of components under axial compression. Additionally, some detailed models have taken into account the effects of strain rate [17, 18].
Component-level failure behaviors are presented employing the inertial effects. Mechanical and electrical failure characteristics are analyzed under different impacts. Dynamic evolutions of batteries are illustrated at different states of charge. The development of lithium-ion batteries (LIBs) has been constrained by impact safety concerns.
Through the indentation experiment and simulation of the battery cell, it can be found that K-type localized shearing failure occurs inside the battery cell due to the presence of the winding, which is the unique fracture mode of the cylindrical lithium-ion batteries.
Mechanical failure prediction of lithium-ion batteries (LIBs) can provide important maintenance information and decision-making reference in battery safety management. However, the complexity of the internal structure of batteries poses challenges to the generalizability and prediction accuracy of traditional mechanical models.
The development of lithium-ion batteries (LIBs) has been constrained by impact safety concerns. This study aims to provide novel failure mechanisms of
To describe the mechanical response of cylindrical batteries more comprehensively, Zhu et al. [16] established a detailed model of cylindrical lithium-ion batteries, which can only reveal the
Abstract. Mechanical failure prediction of lithium-ion batteries (LIBs) can provide important maintenance information and decision-making reference in battery safety management.
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This study systematically investigated the structural damage and electrochemical performance changes in 18650 cylindrical lithium-ion batteries under multiple impacts through a 10
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