Preparation and electrochemical properties of V2O5 submicron-belts synthesized by a sol-gel H2O2 route

被引：29

作者：

Ren, Xiangzhong ^{[1
]}

Jiang, Yingkai ^{[1
]}

Zhang, Peixin ^{[1
]}

Liu, Jianhong ^{[1
]}

Zhang, Qianling ^{[1
]}

机构：

[1] Shenzhen Univ, Sch Chem & Chem Engn, Shenzhen 518060, Peoples R China

来源：

JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY | 2009年 / 51卷 / 02期

基金：

中国国家自然科学基金;

关键词：

V2O5; Submicron-belts; Electrochemical properties; Lithium-ion batteries; Sol-gel; VANADIUM PENTOXIDE; LI-INSERTION; PERFORMANCE; MORPHOLOGY; BATTERY; ARRAYS;

D O I：

10.1007/s10971-009-2002-6

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

One-dimensional (1D) submicron-belts of V2O5 have been prepared by a sol-gel route using V2O5, H2O2 and aniline as starting materials. Thermogravimetric and differential thermal analysis, X-ray diffraction, Fourier transform infrared spectroscopy and scanning electron microscopy were employed to characterize the samples. Electrochemical behaviors as cathode material in rechargeable lithium-ion batteries were investigated by galvanostatic charge-discharge measurement and cyclic voltammeter. The results showed that the synthesized V2O5 appeared to be submicron-belts and orthorhombic structure. The V2O5 submicron-belts exhibited a high initial discharge capacity of 346 mAh/g and stayed 240 mAh/g after 20 cycles at 0.1 C discharge rate in the potential region 1.8-4.0 V.

引用

页码：133 / 138

页数：6

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