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Publication Detail
Processing of strong and highly conductive carbon foams as electrode
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Article
  • Authors:
    Amini N, Aguey-Zinsou KF, Guo ZX
  • Publisher:
    PERGAMON-ELSEVIER SCIENCE LTD
  • Publication date:
    10/2011
  • Pagination:
    3857, 3864
  • Journal:
    CARBON
  • Volume:
    49
  • Issue:
    12
  • Print ISSN:
    0008-6223
  • Language:
    EN
  • Keywords:
    CATALYTIC GRAPHITIZATION, MESOPOROUS CARBONS, NICKEL PARTICLES, ELECTROCHEMISTRY, METALS, RESIN
  • Addresses:
    Guo, ZX
    UCL
    Dept Chem
    London
    WC1H 0AJ
    England
Abstract
Porous carbons were processed by the foaming of two-part polymer precursors with pre-loaded carbon powder (graphitic or amorphous), and then resin impregnation and carbonization to control both porosity and mechanical strength of the resulting foam. Electrical conductivity of the foams was improved by nickel-catalyzed graphitization. Different levels of graphitization were obtained for varied concentrations of nickel to the amorphous carbon foams. The presence of graphitic carbon improves the electrical conductivity by a factor of 50, compared to the amorphous counterparts. Electrochemical studies showed that graphitization of the amorphous structures increased the specific electrochemical surface area and electron transfer rate of the carbon electrodes. (C) 2011 Elsevier Ltd. All rights reserved.
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