J Mater Sci Technol ›› 2012, Vol. 28 ›› Issue (3): 275-279.

• Regular Papers • Previous Articles     Next Articles

One-pot In-situ Synthesis of Sn/Carbon-fibers Nanocomposite by Chemical Vapor Deposition and Its Li-storage Properties

J. Xie, Yunxiao Zheng, Shuangyu Liu, Gaoshao Cao, Xinbing Zhao   

  1. Department of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
  • Received:2011-06-07 Revised:2011-07-14 Online:2012-03-31 Published:2012-03-31
  • Contact: Jian Xie
  • Supported by:

    Zijin Program of Zhejiang University, China, the Fundamental Research Funds for the Central Universities (No. 2010QNA4003), the Ph.D.
    Programs Foundation of Ministry of Education of China (No. 20100101120024), and the Foundation of Education Offce of Zhejiang Province (No. Y201016484)

Abstract: Sn/carbon-fibers (CFs) nanocomposite has been prepared by chemical vapor deposition with in-situ catalytic growth of CFs. The nanocomposite has been characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM) and Raman spectrum. The electrochemical performance of the nanocomposite has been investigated by galvanostatic cycling and cyclic voltammetry (CV). It has been found that a three-dimensional conductive network forms by the intercon- nected CFs, which offers conductive channels for the Sn nanoparticles. The nanocomposite gives a first charge capacity of 385 mAh?g-1 and exhibits an improved cycling stability than bare Sn.

Key words: Sn/carbon-fibers, In-situ catalytic growth, Three-dimensional conductive network, Li-storage properties