高电压LiNi_(0.5)Mn_(1.5)O_4正极材料改性对动力学性能影响的研究进展  

Research progress on the effect of high voltage cathode material LiNi_(0.5)Mn_(1.5)O_4 on kinetic properties

作　　者：于月[1,2,3] 李刚 刘晓芳[1,2,3] 白红丽[1,2,3] 苏长伟[1,2,3] 郭俊明[1,2,3] 

机构地区：[1]云南民族大学民族地区矿产资源综合利用重点实验室,昆明650500 [2]云南民族大学云南省跨境民族地区生物质资源清洁利用国际联合研究中心,昆明650500 [3]云南民族大学云南省高校民族地区资源清洁转化重点实验室,昆明650500

出　　处：《功能材料》2018年第2期2060-2066,2073,共8页Journal of Functional Materials

基　　金：国家自然科学基金资助项目(51462036;U1602273)

摘　　要：尖晶石型LiNi_(0.5)Mn_(1.5)O_4正极材料以其高电压平台、高能量密度和功率密度和环境友好等优点,近年来成为很有前景的正极材料。简述了高电压正极材料LiNi_(0.5)Mn_(1.5)O_4的结构、温度对结构的影响、结构判断和制备方法,详细综述了LiNi_(0.5)Mn_(1.5)O_4正极材料的体相掺杂和表面包覆改性对其电荷转移电阻和扩散系数的影响及性能的影响,展望了尖晶石型LiNi_(0.5)Mn_(1.5)O_4正极材料的发展趋势。With its high voltage platform,high energy density and power density and environmental friendliness,spinel LiNi_(0.5)Mn_(1.5)O_4 has been considered as very promising cathode materials in recent years.In this paper,the structure of high voltage LiNi_(0.5)Mn_(1.5)O_4 cathode materials,the influence of the temperature on its structure,structural judgment and the preparation methods are briefly introduced.The influence of the bulk doping and surface-modification on the charge transfer resistance,diffusion coefficient and properties of LiNi_(0.5)Mn_(1.5)O_4 cathode materials are summarized in detail.And the development trend of LiNi_(0.5)Mn_(1.5)O_4 cathode material is prospected.

关 键 词：锂离子电池 LINI0.5MN1.5O4 电荷转移电阻 扩散系数 动力学性能 

分 类 号：TM912[电气工程—电力电子与电力传动]