Effects of synthesis conditions on the structural and electrochemical properties of layered LiNi1/3Co1/3Mn1/3O2 cathode material via oxalate co-precipitation method
来源期刊：Rare Metals2008年第6期
论文作者：TIAN Huaa, b, YE Naiqinga, b, LIU Dana, b, and LI Wenqunb a Key Laboratory of New Processing Technology for Nonferrous Metals and Materials, Ministry of Education of China, Guilin , China. b Department of Materials and Chemistry Engineering, Guilin University of Technology, Guilin , China.
文章页码：575 - 579
摘 要：The uniform layered LiNi1/3Co1/3Mn1/3O2 cathode material for lithium ion batteries was prepared by using （Ni1/3Co1/3Mn1/3）C2O4 as precursor synthesized via oxalate co-precipitation method in air. The effects of calcination temperature and time on the structure and electrochemical properties of the LiNi1/3Co1/3Mn1/3O2 were systemically studied. XRD results revealed that the optimal calcination conditions to prepare the layered LiNi1/3Co1/3Mn1/3O2 were 950°C for 15 h. Electrochemical measurement showed that the sample prepared under the such conditions has the highest initial discharge capacity of 160.8 mAh/g and the smallest irreversible capacity loss of 13.5% as well as stable cycling performance at a constant current density of 30 mA/g between 2.5 and 4.3 V versus Li at room temperature.
TIAN Huaa, b, YE Naiqinga, b, LIU Dana, b, and LI Wenqunb a Key Laboratory of New Processing Technology for Nonferrous Metals and Materials, Ministry of Education of China, Guilin 541004, China. b Department of Materials and Chemistry Engineering, Guilin University of Technology, Guilin 541004, China.
摘 要：The uniform layered LiNi1/3Co1/3Mn1/3O2 cathode material for lithium ion batteries was prepared by using （Ni1/3Co1/3Mn1/3）C2O4 as precursor synthesized via oxalate co-precipitation method in air. The effects of calcination temperature and time on the structure and electrochemical properties of the LiNi1/3Co1/3Mn1/3O2 were systemically studied. XRD results revealed that the optimal calcination conditions to prepare the layered LiNi1/3Co1/3Mn1/3O2 were 950°C for 15 h. Electrochemical measurement showed that the sample prepared under the such conditions has the highest initial discharge capacity of 160.8 mAh/g and the smallest irreversible capacity loss of 13.5% as well as stable cycling performance at a constant current density of 30 mA/g between 2.5 and 4.3 V versus Li at room temperature.
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