Synthesis and characterization of mono-dispersion LiNi0.8Co0.1Mn0.1O2 micrometer particles for lithium-ion batteries

被引：17
|
作者：
Zhang, Xiang [1 ,2 ]
Hu, Guorong [1 ,2 ]
Peng, Zhongdong [1 ,2 ]
Cao, Yanbing [1 ,2 ]
Li, Luyu [1 ,2 ]
Tan, Chaopu [1 ,2 ]
Wang, Yongzhi [1 ,2 ]
Wang, Weigang [3 ]
Du, Ke [1 ,2 ]
机构：
[1] Cent South Univ, Sch Met & Environm, Changsha 410083, Peoples R China
[2] Cent South Univ, Minist Educ Adv Battery Mat, Engn Res Ctr, Changsha 410083, Peoples R China
[3] Hunan Inst Engn, Sch Chem & Chem Engn, Changsha, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2021年 / 47卷 / 18期
基金：
中国国家自然科学基金;
关键词：
Lithium ion battery; Ni-rich cathode materials; Long cycle life; Mono-dispersion; Oxalate precursor; CATHODE MATERIALS; CYCLING PERFORMANCE; SINGLE-CRYSTAL; LINI0.6CO0.2MN0.2O2; TEMPERATURE; ELECTRODE; DENSITY;
D O I：
10.1016/j.ceramint.2021.05.294
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
LiNi0.8Co0.1Mn0.1O2 cathode material for lithium-ion battery exhibits high capacity, but it suffers from interfacial side reactions and structural/Ni0.8Co0.1Mn0.1)C2O4 center dot 2H(2)O particles with micron size are synthesized by co-precipitation method. The oxalic precursor is sintered with lithium hydroxide to obtain cubic mono-dispersion LiNi0.8Co0.1Mn0.1O2 micrometer particles. Structural stability, cycling performance, rate capability and compacting density of the cubic mono-dispersion material are investigated. Conventional spherical and irregular mono-dispersion LiNi0.8Co0.1Mn0.1O2 are also prepared for comparison. The results reveal that the cubic mono-dispersion LiNi0.8Co0.1Mn0.1O2 dramatically enhances the structural stability and cycling performance at a little cost of capacity and rate capability.
引用
收藏
页码：25680 / 25688
页数：9
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