Layered iron orthovanadate microrods as cathode for lithium ion batteries with enhanced cycle performance

被引：14

作者：

Fang, Zhen ^{[1
]}

Fan, Fan ^{[1
]}

Ding, Zekun ^{[1
]}

Wang, Chenyan ^{[1
]}

Long, Liuyang ^{[1
]}

Hao, Shenghua ^{[1
]}

机构：

[1] Anhui Normal Univ, Coll Chem & Mat Sci, Anhui Key Lab Funct Mol Solids, Wuhu 241000, Peoples R China

来源：

MATERIALS RESEARCH BULLETIN | 2013年 / 48卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Oxides; Electron microscopy; Electrochemical properties; ELECTROCHEMICAL PERFORMANCE; ANODE MATERIAL; NANOTUBES; CAPABILITY; FEVO4;

D O I：

10.1016/j.materresbull.2013.01.005

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Iron orthovanadate microrods with layered structure have been synthesized by a simple hydrothermal method. The composition and structure of the microrods were investigated by X-ray powder diffraction, thermogravimetric analysis, X-ray photoelectron spectroscopy, scanning electron microscopy and transmission electron microscopy. Electrochemical measurements indicated that the microrods maintained high capacity when used as lithium ion battery cathode. As-obtained iron orthovanadate microrods electrode exhibits a stable and reversible capacity of over 250 mAh g(-1) at 16 mA g(-1) between 1.6 V and 4.7 V after 15 cycles. Detailed investigations reveal that the layered structure may reduce the lithium ion diffusion path and be helpful for stable capacity. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：1737 / 1740

页数：4

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