Synthesis of Lithium vanadium tetroxide anode material via a fast sol-gel method based on spontaneous chemical reactions

被引：24
作者：
Du, ChenQiang [1 ]
Wu, JunWei [2 ]
Liu, Jie [1 ]
Yang, Man [1 ]
Xu, Qiang [1 ]
Tang, ZhiYuan [1 ]
Zhang, Xinhe [3 ]
机构：
[1] Tianjin Univ, Sch Chem Engn & Technol, Dept Appl Chem, Tianjin 300072, Peoples R China
[2] Harbin Inst Technol, Sch Mat Sci & Engn, Shenzhen Grad Sch, Shenzhen 518055, Peoples R China
[3] McNair Technol Co Ltd, Dongguan 523700, Guangdong, Peoples R China
来源：
ELECTROCHIMICA ACTA | 2015年 / 152卷
关键词：
Lithium vanadium tetroxide; Anode material; Lithium ion battery; Fast sol-gel; Spontaneous chemical reactions; ELECTROCHEMICAL PERFORMANCE; CATHODE MATERIAL; LI3VO4; VANADATE; CR;
D O I：
10.1016/j.electacta.2014.11.121
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Lithium vanadium tetroxide (Li3VO4) anode material has been synthesized by a fast sol-gel method based on spontaneous chemical reactions. The crystal structures, surface morphologies and electrochemical performances of the Li3VO4 samples calcined at different temperatures are investigated. In the potential range of 0.02-3.0 V, the sample sintered at 600 degrees C shows the highest initial charge capacities of 276.2 mAh g(-1), 258.4 mAh g(-1), 201.4 mAh g(-1), at 0.1 C, 0.2 C and 0.5 C, respectively. After 50 cycles, the charge capacities still retains 310.5 mAh g(-1), 278.1 mAh g(-1) and 222.4 mAh g(-1) at 0.1 C, 0.2 C and 0.5 C, respectively. It shows fast sol-gel method is promising in synthesize stable Li3VO4 for EV or HEV applications. (C) 2014 Elsevier Ltd. All rights reserved.
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收藏
页码：473 / 479
页数：7
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