Fe3O4 fuzzy spheroids as anode materials for lithium-ion batteries

被引：18
|
作者：
Duan, Lihong [1 ]
Huang, Yudai [1 ]
Jia, Dianzeng [1 ]
Wang, Xingchao [1 ]
Guo, Zaiping [2 ]
机构：
[1] Xinjiang Univ, Inst Appl Chem, Urumqi 830046, Xinjiang, Peoples R China
[2] Univ Wollongong, Inst Superconducting & Elect Mat, Wollongong, NSW 2522, Australia
来源：
MATERIALS LETTERS | 2012年 / 71卷
基金：
中国国家自然科学基金;
关键词：
Fe3O4 fuzzy spheroids; Solvothermal method; Microstructure; Electrical properties; Nanoparticles; PERFORMANCE;
D O I：
10.1016/j.matlet.2011.12.051
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Fe3O4 fuzzy spheroids were synthesized by a facile solvothermal method. The as-prepared Fe3O4 fuzzy spheroids were investigated by X-ray diffraction, scanning electron microscopy, and transmission electron microscopy, and the results showed that they had a spinel structure and a uniform particle size in the range of 120-200 nm. Results of electrochemical testing showed that the Fe3O4 fuzzy spheroids exhibited a high initial charge capacity of 980.6 mAh g(-1) and 949.5 mAh g(-1) after 165 cycles at a current density of 0.5 C at ambient temperature, as well as good rate capability. The improvement of reversible capacity and cyclic performance for the Fe3O4 nanoparticles could be attributed to the special fuzzy spheroid structure. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：151 / 153
页数：3
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