Synthesis and electrochemical performance of novel core/shell structured nanocomposites

Fu, L. J., Liu, H., Zhang, H. P., Li, C., Zhang, T., Wu, Y.P., Holze, R. and Wu, H. Q. (2006) Synthesis and electrochemical performance of novel core/shell structured nanocomposites. Electrochemistry Communications, 8 1: 1-4. doi:10.1016/j.elecom.2005.10.006


Author Fu, L. J.
Liu, H.
Zhang, H. P.
Li, C.
Zhang, T.
Wu, Y.P.
Holze, R.
Wu, H. Q.
Title Synthesis and electrochemical performance of novel core/shell structured nanocomposites
Journal name Electrochemistry Communications   Check publisher's open access policy
ISSN 1388-2481
1873-1902
Publication date 2006-01
Sub-type Article (original research)
DOI 10.1016/j.elecom.2005.10.006
Volume 8
Issue 1
Start page 1
End page 4
Total pages 4
Place of publication Philadelphia, PA, United States
Publisher Elsevier
Language eng
Abstract A new and effective method to prepare TiO2/C core–shell nanocomposites as active anode materials for lithium ion batteries with markedly ameliorated electrochemical performance is described. Initially a precursor, polyacrylonitrile coated nano-TiO2 particles, is formed by emulsion polymerization. This precursor is heat-treated under argon atmosphere to achieve the nanocomposite. The conductive carbon shell enveloped TiO2 nanoparticles and suppressed the aggregation of the core nanoparticles during cycling. In addition it is attached closely to the nano-cores, and the kinetics of lithium intercalation and de-intercalation, the apparent diffusion coefficient of lithium ions and the consequent cycling behavior are significantly enhanced. This provides a good way to improve cycling and kinetics of nano-anode materials.
Keyword Lithium ion battery
Anode
Core/shell
Nanocomposite
Electrochemical performance
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Australian Institute for Bioengineering and Nanotechnology Publications
 
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Created: Sat, 28 May 2011, 16:57:12 EST by Hao Liu on behalf of Aust Institute for Bioengineering & Nanotechnology