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Acta Phys. -Chim. Sin.  2009, Vol. 25 Issue (03): 441-445    DOI: 10.3866/PKU.WHXB20090308
Article     
Preparation and Electrochemical Performance of Tin-Dioxide Filled Multi-Walled Carbon Nanotubes
 MA Ruo-Biao, FU Yan-Bao, MA Xiao-Hua
Department of Materials Science, Fudan University, Shanghai 200433, P. R. China
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Abstract  

Multi-walled carbon nanotubes (MWCNTs) were purified and chopped by nitric acid. Tin dioxide filled MWCNTs were prepared via a diffusion method. A tin dichloride solution was mixed with AgNO3, filtered and then MWCNTs were sonicated in the filtrate. After calcination in N2 atmosphere the salt filled in the MWCNTs decomposed to SnO2. Structural and morphological characterization of the composite material by X-ray diffraction (XRD) and transmission electron microscopy (TEM) showed that the MWCNTs were filled with discrete nano-SnO2 particles. Compared to pristine MWCNTs and purified-MWCNTs, the SnO2-filled MWCNTs exhibited high capacity and good cyclability during charge-discharge cycling. The SnO2/MWCNTs nanocomposites showed better cyclability than pure SnO2 nano-materials.



Key wordsCarbon nanotubes      Tin-dioxide      Nanocomposite      Lithium-ion battery     
Received: 24 September 2008      Published: 13 January 2009
MSC2000:  O646  
Corresponding Authors: MA Xiao-Hua     E-mail: xhma@fudan.edu.cn
Cite this article:

MA Ruo-Biao, FU Yan-Bao, MA Xiao-Hua. Preparation and Electrochemical Performance of Tin-Dioxide Filled Multi-Walled Carbon Nanotubes. Acta Phys. -Chim. Sin., 2009, 25(03): 441-445.

URL:

http://www.whxb.pku.edu.cn/10.3866/PKU.WHXB20090308     OR     http://www.whxb.pku.edu.cn/Y2009/V25/I03/441

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