Electrochemical properties of α-Fe2O3/MWCNTs as anode materials for lithium-ion batteries

被引：27
|
作者：
Huang, Yudai [1 ,2 ,3 ]
Dong, Zhifang [1 ,2 ,3 ]
Jia, Dianzeng [1 ,2 ,3 ]
Guo, Zaiping [4 ]
Cho, Won Il [5 ]
机构：
[1] Xinjiang Univ, Inst Appl Chem, Urumqi 830046, Xinjiang, Peoples R China
[2] Xinjiang Univ, Minist Educ, Key Lab Clean Energy Mat & Technol, Urumqi 830046, Xinjiang, Peoples R China
[3] Xinjiang Univ, Key Lab Adv Funct Mat Autonomous Reg, Urumqi 830046, Xinjiang, Peoples R China
[4] Univ Wollongong, Inst Superconducting & Elect Mat, Wollongong, NSW 2522, Australia
[5] Korea Inst Sci & Technol, Energy Storage Res Ctr, Seoul 136791, South Korea
来源：
SOLID STATE IONICS | 2011年 / 201卷 / 01期
基金：
中国国家自然科学基金;
关键词：
alpha-Fe2O3/MWCNTs; Hydrothermal method; Anode materials; Lithium-ion batteries; ELECTRODE MATERIALS; NANOCOMPOSITE; NANORODS;
D O I：
10.1016/j.ssi.2011.07.018
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
alpha-Fe2O3/MWCNTs composites were prepared by a simple hydrothermal process. The crystalline structure and the electrochemical performance of the as-synthesized samples were investigated. Results show that as anode materials for lithium-ion batteries, the alpha-Fe2O3/MWCNTs exhibit an initial discharge capacity of 1256 +/- 5 mAh g(-1) a stable specific discharge capacity of 430 +/- 5 mAh g(-1) at ambient temperature, for up to 100 cycles with no noticeable capacity fading, while the initial discharge capacity of the bare Fe2O3 is 992.3 mAh g(-1), and the discharge capacity is 146.6 mAh g(-1) after 100 cycles. Moreover, the alpha-Fe2O3/MWCNTs composites also exhibit excellent rate performance. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：54 / 59
页数：6
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