Combustion synthesized nanocrystalline Li3V2(PO4)3/C cathode for lithium-ion batteries

被引：21
作者：
Nathiya, K. [1 ]
Bhuvaneswari, D. [1 ]
Gangulibabu [1 ]
Kalaiselvi, N. [1 ]
机构：
[1] Cent Electrochem Res Inst, Karaikkudi 630006, Tamil Nadu, India
来源：
MATERIALS RESEARCH BULLETIN | 2012年 / 47卷 / 12期
关键词：
Composites; Chemical synthesis; X-ray diffraction; Electron microscopy; Electrochemical properties; SOLID-STATE SYNTHESIS; ELECTROCHEMICAL PERFORMANCE; ANODE MATERIAL; COMPOSITE;
D O I：
10.1016/j.materresbull.2012.09.014
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Nanocrystalline Li3V2(PO4)(3)/C composite synthesized using a novel corn assisted combustion method at 850 degrees C exhibits superior physical and electrochemical properties than the one synthesized at 800 degrees C. Despite the charge disproportionation of V4+ and a possible solid solution behavior of Li3V2(PO4)(3) cathode upon insertion and extraction of Li+ ions, the structural stability of the same is appreciable, even with the extraction of third lithium at 4.6 V. An appreciable specific capacity of 174 mAh g(-1) and better capacity retention upon high rate applications have been exhibited by Li3V2(PO4)(3)/C cathode, thus demonstrating the suitability of the same for lithium-ion battery applications. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：4300 / 4304
页数：5
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