Citation: WANG Chen, ZHANG Meng-Qin, XIAO Wen-Hao, AI Yan-Ling. Microstructure and Electrochemical Properties of Co-precipitation Prepared LiMn_xCo_yO₂[J]. Chinese Journal of Inorganic Chemistry, ;2017, 33(5): 860-866. doi: 10.11862/CJIC.2017.112 shu

Microstructure and Electrochemical Properties of Co-precipitation Prepared LiMn_xCo_yO₂

1.
School of Materials Science and Engineering, Central South University, Changsha 410083, China
2.
Key Laboratory of Nonferrous Materials Science and Engineering, Ministry of Education, Central South University, Changsha 410083, China

Corresponding author: AI Yan-Ling, ylai@csu.edu.cn
Received Date: 9 January 2017
Revised Date: 28 March 2017

Figures(10)

Layered LiMn_xCo_yO₂ was prepared by co-precipitation preparation of precursor, and then sintered under 900℃ with different time. The results of X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM) show that the crystalline structure of the layered LiMn_xCo_yO₂ is rhombohedron lattice whose space group is R3m, and has a similar lattice constant with LiCoO₂. Under different sintering time, samples are spherical under scanning electron microscopy (SEM); as the sintering time extended, spherical morphology is better. With different samples of electrochemical performance test show that the samples with longer sintering time and higher relative content of Mn has better initial charge-discharge capacity and cycle performance.
- LiMn_xCo_yO₂,
- crystal structure,
- cycle performance,
- co-precipitation,
- sintering
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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Microstructure and Electrochemical Properties of Co-precipitation Prepared LiMnxCoyO2

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通讯作者: 陈斌, bchen63@163.com

Microstructure and Electrochemical Properties of Co-precipitation Prepared LiMn_xCo_yO₂