Synthesis and electrochemical property of cathode material LiCoO2

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作者：
School of Metallurgical Science and Engineering, Central South University, Changsha 410083, China [1 ]
机构：
来源：
Zhongnan Daxue Xuebao (Ziran Kexue Ban) | 2006年 / 4卷 / 709-713期
关键词：
Calcination - Cobalt compounds - Crystal microstructure - Lithium compounds - Morphology - Scanning electron microscopy - Synthesis (chemical) - X ray diffraction analysis;
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摘要：
LiCoO2 was synthesized from the recycled LiCoO2 power with little Co3O4 at high temperature. The structure and morphology of the synthesized samples were observed with X-ray diffractometry and scanning electron microscope technique, respectively. The results show that calcination time has significant effect on the structure and the electro chemical performance of LiCoO2. The layered structure and the electrochemical propertiy of LiCoO2 are improved as the calcined time prolongs. The initial charge and discharge capacities of LiCoO2 calcined for 12 h are 161.16 and 150.67 mA&middoth/g, respectively. The discharge capacity of LiCoO2 cathode material after cycle for 30 times is still 141.19 mA&middoth/g.
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