电池2017，Vol.47Issue(3)：169-172,4.DOI:10.19535/j.1001-1579.2017.03.011
黏结剂对锂离子电池负极膨胀的影响
Effects of binders on swelling of anode for Li-ion battery
贺雨雨 1陈炜 1冯德圣 1张宏立1
作者信息
- 1. 合肥国轩高科动力能源有限公司,安徽合肥230001
- 折叠
摘要
Abstract
Using LiNi0.5 Co0.2 Mn0.3 O2 soft package Li-ion battery,the influence of different binders styrene butadiene rubber(SBR) and its content on anode swelling and cycle life was investigated.After different treatment of SBR,it had an important impact on mechanical property,anode swelling rate and cycle performance.Elastic modulus and mechanical strength of SBR were enlarged by hydroxylation processing.Anode swelling rate was decreased,after 100 cycles,the full charging swelling rate was decreased from 30.5％ (without treatment SBR)to 24.0％,the roll winding deformation was small,which improved the cycle life of the battery.Research showed that the content of SBR was decreased,the smaller pressure lowered the physical swelling and electrochemical swelling before cycle (the full charging swelling roll lowering from 21.0％ to 17.5％),but the full charging swelling rate was constant after 100 cycles.关键词
黏结剂/负极膨胀/循环寿命/锂离子电池/丁苯橡胶(SBR)Key words
binder/swelling of anode/cycle life/Li-ion battery/styrene butadiene rubber(SBR)分类
信息技术与安全科学引用本文复制引用
贺雨雨,陈炜,冯德圣,张宏立..黏结剂对锂离子电池负极膨胀的影响[J].电池,2017,47(3):169-172,4.
