Preparation and electrochemical properties of submicron LiNi0.6Co0.2Mn0.2O2 as cathode material for lithium ion batteries

被引:41
|
作者
Yue, Peng [1 ]
Wang, Zhixing [1 ]
Peng, Wenjie [1 ]
Li, Lingjun [1 ]
Guo, Huajun [1 ]
Li, Xinhai [1 ]
Hu, Qiyang [1 ]
Zhang, Yunhe [1 ]
机构
[1] Cent S Univ, Sch Met Sci & Engn, Changsha 410083, Peoples R China
关键词
LiNi0.6Co0.2Mn0.2O2; Layered structures; Electrochemical properties; Lithium-ion batteries; SPRAY-PYROLYSIS METHOD; THERMAL-STABILITY; PERFORMANCE;
D O I
10.1016/j.scriptamat.2011.09.020
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Submicron LiNi0.6Co0.2Mn0.2O2 as a cathode material for lithium-ion batteries was prepared by a spray drying assisted solid-state method. The crystal structure, morphology and electrochemical properties of LiNi0.6Co0.2Mn0.2O2 were characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscope, energy-dispersive spectroscopy and charge-discharge testing. Single-phase layered LiNi0.6Co0.2Mn0.2O2 was obtained. The material delivered a reversible charge/discharge capacity of 179.8 mAh g(-1) at C/10, and showed excellent cycling performance and rate capability. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:1077 / 1080
页数:4
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