Fe3O4 submicron spheroids as anode materials for lithium-ion batteries with stable and high electrochemical performance

被引：177

作者：

Wang, Suqing ^{[1
]}

Zhang, Jingying ^{[1
]}

Chen, Chunhua ^{[1
]}

机构：

[1] Univ Sci & Technol China, Dept Mat Sci & Engn, CAS Key Lab Mat Energy Convers, Hefei 230026, Anhui, Peoples R China

来源：

JOURNAL OF POWER SOURCES | 2010年 / 195卷 / 16期

基金：

美国国家科学基金会;

关键词：

Magnetite; Microsphere; Hydrothermal; Lithium battery; Electrode; ELECTRODE; NANOCRYSTALS;

D O I：

10.1016/j.jpowsour.2010.03.035

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：

A magnetite (Fe3O4) powder composed of uniform sub-micrometer spherical particles has been successfully synthesized by a hydrothermal method at low temperature. X-ray diffraction, scanning electron microscopy, transmission electron microscopy and galvanostatic cell cycling are employed to characterize the structure and electrochemical performance of the as-prepared Fe3O4 spheroids. The magnetite shows a stable and reversible capacity of over 900 mAh g(-1) during up to 60 cycles and good rate capability. The experimental results suggest that the Fe3O4 synthesized by this method is a promising anode material for high energy-density lithium-ion batteries. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：5379 / 5381

页数：3

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