Synthesis of Li3V2 (PO4)3 by low temperature carbothermal reduction method and its electrochemical properties

被引：0
|
作者：
Zhong, Shengkui [1 ,2 ]
Yin, Zhoulan [1 ]
Liu, Jiequn [1 ,2 ]
Chen, Qiyuan [1 ]
机构：
[1] Central South University, Changsha 410083, China
[2] Guilin University of Technology, Guilin 541004, China
来源：
Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering | 2008年 / 37卷 / 09期
关键词：
Electrochemical properties - Electric discharges - Carbothermal reduction - Lithium-ion batteries - Vanadium pentoxide - Cathodes - Lithium compounds;
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摘要：
Li3V2 (PO4)3 cathode material was prepared by a low temperature carbothermal reduction reaction of V2O5·nH2O hydro-gel, LiOHH2O, NH4H2PO4 and C. The effect of reaction temperature and time on the structure, morphology and electrochemical properties was investigated. The results show that the sample synthesized at 550C for 12 h has a single monoclinic structure with homogenous distribution of particle, which derives a initial discharge capacity of 130 mAhg-1 at 0.2 C rate, and the capacity retains 124 mAhg-1 after 30 cycles.
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页码：1652 / 1655
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