机电工程技术2026，Vol.55Issue(16)：70-75,6.DOI:10.3969/j.issn.1009-9492.2026.16.010
锂离子电池卷绕机电芯收卷内应力动力学建模及控制研究
Research on Dynamic Modeling and Control of Internal Stress in Cell Winding of Lithium-ion Battery Winding Machines
摘要
Abstract
Winding process is the core step in the manufacturing of cylindrical lithium-ion battery cells.During high-speed winding,the internal stress generated in the positive/negative electrodes and the separator is a critical factor affecting winding quality.Taking the cylindrical lithium-ion battery as the research object,and targeting high-speed winding conditions,a dynamic analysis of the winding process is conducted based on elasticity mechanics,and a mathematical model for the tangential stress inside the cell during high-speed winding is established.On this basis,the influences of different tension control methods,such as constant-tension winding and tapered-tension winding,on the tangential stress are compared and analyzed.A constant-tension winding scheme for the positive/negative electrodes and the separator is proposed and verified through experiments.The results show that the tangential stress first increases and then decreases with the increase of winding radius.The tension fluctuation range in the experiments meets the±5%requirement for high-speed winding equipment.The cell winding is stable without defects such as bulging,breakage,or non-uniformity,and both the cell height and diameter meet the tolerance requirements,thereby verifying the proposed winding methodology.关键词
锂离子电池/电芯/卷绕/内应力/恒张力收卷Key words
lithium-ion battery/battery cell/winding/internal stress/constant tension winding分类
信息技术与安全科学引用本文复制引用
张俊豪,林志鹏,程思竹,夏琴香,于春阳..锂离子电池卷绕机电芯收卷内应力动力学建模及控制研究[J].机电工程技术,2026,55(16):70-75,6.基金项目
珠海市产学研合作项目(ZH22017001200112PWC) （ZH22017001200112PWC）
广东省普通高校青年创新人才类项目(2025KQNCX173) （2025KQNCX173）
广州民航职业技术学院校级项目(25X2106) （25X2106）
