储能科学与技术2025，Vol.14Issue(4)：1574-1584,11.DOI:10.19799/j.cnki.2095-4239.2024.1059
浪涌电流冲击对圆柱型三元锂离子电芯的温升响应分析
Temperature rise response of cylindrical lithium-ion cells to surge current
摘要
Abstract
Lithium-ion batteries used for energy storage face significant risks.These include overcurrent induced by conduction and induction,and surge currents caused by device failures when integrated into the grid or hybrid systems.However,the temperature rise response of lithium-ion cells under surge current impulses remains poorly understood.This study investigates the temperature behavior of cylindrical ternary lithium-ion cells subjected to surge current impulses of varying amplitudes.Both typical multipoint temperature measurements and three-dimensional infrared observations were employed to analyze the dynamic temperature rise response of the cells.In addition,an electrochemical coupled finite element simulation model was developed to clarify the temperature rise characteristics of the cells.The results indicate that surge currents with waveforms of 8/20 μs and peak values of 7.4,10.6,and 13.0 kA lead to temperature rises of 0.7℃,1.8℃,and 4.2℃at the cell surface,respectively.Notably,surge currents with higher peak values(≥10.6 kA)cause the cathode region to exhibit a higher temperature compared to the anode region,while the separator experiences the lowest temperature rise.关键词
浪涌电流/温升响应/锂离子电芯/有限元模型Key words
surge current/temperature rise response/lithium-ion cell/finite element model分类
信息技术与安全科学引用本文复制引用
刘亚坤,沈思远,雷文彦,高嘉欣,金登辉,李雨珺,罗栋煌,郝伟,梁正..浪涌电流冲击对圆柱型三元锂离子电芯的温升响应分析[J].储能科学与技术,2025,14(4):1574-1584,11.基金项目
国家自然科学基金(52377152),工信部民机专项(MJZ5-2N22). （52377152）
