锂电铜箔防氧化抗腐蚀处理技术研究现状  

Research Status of Anti⁃oxidation and Anti⁃corrosion Treatment Technology for LIBs Copper Foil

作　　者：衷水平 朱焕林[1,2] 杨蕾 翁威 迟晓鹏 朱茂兰[4] ZHONG Shuiping;ZHU Huanlin;YANG Lei;WENG Wei;CHI Xiaopeng;ZHU Maolan(Zijin School of Geology and Mining,Fuzhou University,Fuzhou 350108,Fujian,China;Fujian Provincial Key Laboratory of Green Extraction and High Value Utilization of New Energy Metals,Fuzhou 350108,Fujian,China;Zijin Mining Group Co Ltd,Longyan 364200,Fujian,China;School of Materials Science and Engineering,Xiamen University of Technology,Xiamen 361024,Fujian,China)

机构地区：[1]福州大学紫金地质与矿业学院,福建福州350108 [2]福建省新能源金属绿色提取与高值利用重点实验室,福建福州350108 [3]紫金矿业集团股份有限公司,福建龙岩364200 [4]厦门理工学院材料科学与工程学院,福建厦门361024

出　　处：《矿冶工程》2023年第3期145-150,共6页Mining and Metallurgical Engineering

基　　金：国家自然科学基金(52274349);国家自然科学基金面上项目(51874101)。

摘　　要：针对锂电铜箔在生产和应用环节存在氧化、腐蚀,影响其服役寿命和电池安全性的问题,归纳了锂电铜箔防氧化处理技术,总结了不同钝化方法的机理;概述了铜箔集流体在锂电池电解液中的腐蚀机理,综述了铜箔表面改性增强耐腐性能的研究进展;对铜箔无铬钝化处理技术及表面改性技术进行了展望;提出了清洁环保、高效的锂电铜箔防氧化、防腐蚀设想。The problems of oxidation and corrosion of LIBs copper foil in its production and application have restricted its service life and battery safety.Based on the research status of anti⁃oxidation technologies for LIBs copper foil in recent years,the mechanism of different passivation methods is summarized.After an introduction of the corrosion mechanism of copper foil fluid in Li⁃ion battery electrolyte,the research progress in improving corrosion resistance by modification of copper foil surface is reviewed.On this basis,the prospects of chromium⁃free passivation technology and surface modification technologies for copper foil are presented.At last,a clean,eco⁃friendly and efficient anti⁃oxidation and anti⁃corrosion concept is proposed.

关 键 词：锂离子电池 铜箔 负极集流体 表面处理 防氧化 防腐蚀 

分 类 号：TG178[金属学及工艺—金属表面处理]