锂离子电池高镍正极材料中镍锂混排研究进展  

Research progress of mixed nickel and lithium in high nickel cathode materials for lithium ion batteries

作　　者：查国君 胡耐根 王发辉 吴闰生 曾祥明 侯豪情[2] ZHA Guo-jun;HU Nai-gen;WANG Fa-hui;WU Run-sheng;ZENG Xiang-ming;HOU Hao-qing(Xinyu University,Xinyu 338004 China;Jiangxi Normal University,Nanchang 330200 China)

机构地区：[1]新余学院新能源科学与工程学院,江西新余338004 [2]江西师范大学化学与化工学院,江西南昌330200

出　　处：《新余学院学报》2023年第1期15-20,共6页Journal of Xinyu University

基　　金：江西省教育厅教学改革项目“基于SPOC模式下材料分析测试技术‘金课’建设与实践”(JXJG-20-20-4);江西省教育厅青年基金项目“可控球形结构锂离子电池高镍三元正极材料的制备及电化学性能研究”(GJJ191051)。

摘　　要：锂离子电池高镍正极材料因具有高能量密度已经被广泛研究,并且广泛应用于新能源汽车及储能器件。镍锂混排是高镍正极材料中常见的物理现象,能对高镍锂离子电池的放电比容量、倍率性能、循环性能、结构稳定性能及安全性能产生重要影响。从镍锂混排的定义、形成机理、检测方法及对高镍锂电池正极材料的影响进行了分析与讨论。High nickel cathode materials for lithium ion batteries have been widely studied due to their high energy density,and are widely used in new energy vehicles and energy storage devices.Mixed nickel and lithium is a common physical phenomenon in high nickel cathode materials,which can have an important impact on discharge capacity,rate performance,cycle performance,structural stability and safety performance of high nickel lithium ion batteries.In this paper,the definition,formation mechanism,detection method of mixed nickel and lithium and its influence on the cathode material of high nickel lithium battery are analyzed and discussed.

关 键 词：锂离子电池 镍锂混排 高镍正极材料 

分 类 号：TM912[电气工程—电力电子与电力传动]