Preparation and Electrochemical Investigation of LiCoPO4 Cathode Material for Lithium Ion Batteries

被引:1
|
作者
Wang, Shaoliang [1 ]
Tang, Zhiyuan [1 ]
Sha, Ou [1 ]
Yan, Ji [1 ]
Ma, Li [2 ]
机构
[1] Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China
[2] McNair Technol Co Ltd, Guangdong 523700, Peoples R China
基金
中国国家自然科学基金;
关键词
LiCoPO4; Sol-gel method; Lithium ion batteries; FE; CO;
D O I
10.4028/www.scientific.net/AMR.455-456.726
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
LiCoPO4 was prepared by a citric acid assisted sol-gel method and exploited as cathode material for lithium ion batteries. TG curve showed the appropriate temperature of the reaction and X-ray diffraction patterns indicated that LiCoPO4 synthesized at different temperatures was crystallized in an orthorhombic structure. During charge-discharge cycles, LiCoPO4 presented a plateaus of 4.8V corresponding to Co3+/Co2+ redox couples, and a discharge capacity of 126.3 mAh/g in the first cycle. The CV curve of LiCoPO4 showed that Li-ion diffusion in LiCoPO4 obeyed a different mechanism between charge and discharge processes.
引用
收藏
页码:726 / +
页数:2
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