Preparation and characterization of SnO2/carbon nanotube composite for lithium ion battery applications

被引：107

作者：

Fu, Yanbao ^{[1
]}

Ma, Ruobiao ^{[1
]}

Shu, Ye ^{[1
]}

Cao, Zhuo ^{[1
]}

Ma, Xiaohua ^{[1
]}

机构：

[1] Fudan Univ, Dept Mat Sci, Shanghai 200433, Peoples R China

来源：

MATERIALS LETTERS | 2009年 / 63卷 / 22期

关键词：

Carbon nanotubes; Nanocomposites; Tin-dioxide; Composite materials; Lithium ion batteries;

D O I：

10.1016/j.matlet.2009.06.017

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

SnO2/multi-walled carbon nanotube (MWCNT) composite was prepared via a diffusion method. Firstly the MWCNT was sonicated in a filtrate which was derived from a tin dichloride solution mixed with AgNO3 solution. Then the SnO2/MWCNT composite was prepared whereby, after calcination in N-2 atmosphere, the salts inside the MWCNT decomposed to SnO2. The resulting composite was characterized by transmission electron microscopy, Raman spectroscopy and X-ray diffraction, which indicated that SnO2 had infiltrated into the MWCNT and filled the interior. The subsequent evaluation of the electrochemical performance in lithium ion batteries showed that the SnO2/MWCNT composite had a reversible discharge capacity of 505.9 mAh(.)g(-1) after 40 cycles, as compared to 126.4 mAh(.)g(-1) for pure nano-SnO2. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：1946 / 1948

页数：3

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