Bridging mesoporous carbon particles with carbon nanotubes

Su, F., Zhao, X. S., Wang, Y. and Lee, J. Y. (2007) Bridging mesoporous carbon particles with carbon nanotubes. Microporous and Mesoporous Materials, 98 1-3: 323-329. doi:10.1016/j.micromeso.2006.09.030

Author Su, F.
Zhao, X. S.
Wang, Y.
Lee, J. Y.
Title Bridging mesoporous carbon particles with carbon nanotubes
Journal name Microporous and Mesoporous Materials   Check publisher's open access policy
ISSN 1387-1811
Publication date 2007-01-01
Sub-type Article (original research)
DOI 10.1016/j.micromeso.2006.09.030
Volume 98
Issue 1-3
Start page 323
End page 329
Total pages 7
Place of publication Amsterdam, The Netherlands
Publisher Elsevier BV
Language eng
Formatted abstract
The enhancement of the electrical conductivity (EC) of a porous carbon is highly desirable in many applications, especially in those associated with storage and conversion of electrochemical energy. In this work, we demonstrated an approach to largely increasing the EC of ordered mesoporous carbon (OMC) by bridging the OMC particles with carbon nanotubes (CNTs). Infiltration of the pores of ordered mesoporous SBA-15 silica with a carbon precursor yielded a carbon/mesoporous silica composite, which was further used as a support for Ni catalyst. Subsequently, catalytic growth of CNTs on the Ni-supported composite surface was carried out using the chemical vapor deposition (CVD) method with benzene as the carbon precursor. Removal of the silica framework and the metal catalyst left behind OMC particles bridged with CNTs. The EC of the OMC was increased from 138 S/m (before bridging) to 645 S/m (after bridging). Because of the significant enhancement of EC and the availability of mesopores, the cyclability of the hybrid carbon materials as a negative electrode used in rechargeable lithium-ion batteries was significantly improved. © 2006 Elsevier Inc. All rights reserved.
Keyword Mesoporous Carbon
Carbon Nanotubes
Chemical Vapor Deposition
Rechargeable lithium ion batteries
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Chemical Engineering Publications
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