锂离子电池正极材料LiNi_(0.5)Co_(0.2)Mn_(0.3)O_2研究进展  

Research progress of LiNi_(0.5)Co_(0.2)Mn_(0.3)O_2 cathode material for lithium ion batteries

作　　者：宋刘斌[1] 李新宇[1] 肖忠良[1] 曹忠[1] 朱华丽[2] SONG Liubin;LI Xinyu;XIAO Zhongliang;CAO Zhong;ZHU Huali(School of Chemistry and Biological Engineering, Changsha University of Science and Technology, Changsha 410004, China;School of Physics and Electronic Engineering, Changsha University of Science and Technology, Changsha 410004,China)

机构地区：[1]长沙理工大学化学与生物工程学院,长沙410004 [2]长沙理工大学物理与电子科学学院,长沙410004

出　　处：《功能材料》2017年第12期12023-12029,12035,共8页Journal of Functional Materials

基　　金：国家自然科学基金资助项目(21501015;51604042;21545010;31527803);中国科学院环境监测STS资助项目(KFJ-SW-STS-173);湖南省自然科学基金资助项目(2016JJ3007);湖南省科技计划资助项目(2015GK1046)

摘　　要：三元正极材料LiNi_(0.5)Co_(0.2)Mn_(0.3)O_2具有能量密度大、比容量高、成本低等优点,已基本实现产业化。但该材料的容量保持率低和热稳定性能差阻碍了其全面快速的发展。综述了制备工艺的优化、掺杂和包覆等改性方法对三元正极材料性能的影响,重点介绍了热电化学和数值模拟的研究现状和应用。LiNi0.5Co0.2Mn0.3O2cathode material with enormous energy density,higher capacity and lower cost has basically realized industrialization.But its comprehensive and rapid development are hampered attributed to its low retention rate and poor thermal stability.In this paper,the effects of preparation process optimization,doping and coating methods on the properties of ternary cathode materials are reviewed.The research status and application of thermoelectrochemistry and numerical simulation are introduced.

关 键 词：LiNi0.5Co0.2Mn0.3O2 包覆 掺杂 热电化学 数据模拟 

分 类 号：TM912.9[电气工程—电力电子与电力传动]