Enhanced performance of SiO/Fe2O3 composite as an anode for rechargeable Li-ion batteries

被引：69

作者：

Zhou, Mingjiong ^{[1
]}

Gordin, Mikhail L. ^{[1
]}

Chen, Shuru ^{[1
]}

Xu, Terrence ^{[1
]}

Song, Jiangxuan ^{[1
]}

Lv, Dongping ^{[1
]}

Wang, Donghai ^{[1
]}

机构：

[1] Penn State Univ, Dept Mech & Nucl Engn, University Pk, PA 16802 USA

来源：

ELECTROCHEMISTRY COMMUNICATIONS | 2013年 / 28卷

关键词：

SiO; Iron oxide; Anode; Lithium-ion batteries; ELECTROCHEMICAL PERFORMANCE; THERMAL-STABILITY; FEF3; CATHODE; LITHIUM; CAPACITY; ELECTRODES; SIO; NANOPARTICLES; BEHAVIOR; NANOTUBES;

D O I：

10.1016/j.elecom.2012.12.013

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Iron oxide (Fe2O3) was utilized to enhance the electrochemical properties of SiO as a promising anode for Li-ion batteries. An SiO/Fe2O3 composite, composed of SiO coated with Fe2O3 nanoparticles, was synthesized by mechanical milling and characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, and energy-dispersive X-ray spectroscopy. The electrochemical properties of the SiO/Fe2O3 composite, SiO, and mechanically milled SiO as anodes for Li-ion batteries were then investigated. The SiO/Fe2O3 composite showed superior performance compared with the two Fe2O3-free SiO samples, including an increased initial coulombic efficiency, enhanced rate capability, and better capacity retention. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：79 / 82

页数：4

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