Implementation of separator continuous high-speed winding structure of Li-ion battery
WU Xueke
CHEN Fei
YANG Rukun
YANG Ji
HE Yan
CHEN Rongjun
YANG Feifei
Abstract：As one of the key equipment in li-ion battery production,the performance of li-ion battery winding machine directly affects the production efficiency and product quality of lithium wound battery.This work proposes a separator continuous high-speed winding machine,introduces its workflow,main modules and control strategies.Three innovative technologies have been applied in this machine,including the implementation methods and structures of separator cutting technology,separator absorption technology and automatic mandrel diameter adjusting technology.Benefiting from the application of these creative technologies,the overall efficiency of the winding machine increased by more than 30%,making a significant contribution to achieve large-scale production of wound battery cells.
Keywords：lithium batterywinding machinecontinuity of separatorneedle adsorptionautomatic diameter change
Publication Date：2025-06-25
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：6( 173-178 )