锂离子电池三元正极材料镍钴铝酸锂的研究进展  

Research progress on LiNi_(0.8)Co_(0.15)Al_(0.05)O_2(NCA) as anode material for lithium ion battery

作　　者：李军[1] 刘建军[1] 李少芳[1] 李雪峰[1] 

机构地区：[1]广东工业大学轻工化工学院,广州510006

出　　处：《化工新型材料》2016年第6期49-51,共3页New Chemical Materials

基　　金：国家自然科学基金资助(20672023);广东省科技计划项目(2015A050502046)

摘　　要：镍钴铝酸锂具有优异的电化学性能、较高的比容量、较低的生产成本,成为研究者和锂离子电池制造商关注和研究的对象。但是也存在一些问题:如阳离子混排、振实密度低、倍率性能和循环性能欠佳等,掺杂和表面包覆是改善正极材料电化学性能和热稳定性的重要途径。综述了近年来镍钴铝酸锂的研究进展,介绍了其结构和性能特点、材料的制备方法和电化学性能,重点阐述掺杂、包覆改性方面的研究状况,并展望该材料的应用研究前景。LiNi0.8Co0.15Al0.05O2（NCA） have been investigated for the strengths of its excellent electrochemical properties,high capacity and low production cost.But high cation mixing,low tap density,rate discharge performance,cycle performance and so on need to be improved.Doping and surface coating were important approaches to improve electrochemical performance and thermal stability of materials.The research progress of layered NCA as anode materials for lithium ion batteries in recent years was reviewed and the emphasis was placed on its structure,properties synthesis methods,electrochemical performances as well as doping and surface-modification investigation.

关 键 词：镍钴铝酸锂 锂离子电池 正极材料 三元材料 

分 类 号：TM912[电气工程—电力电子与电力传动]