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Journal of Materials Science

, Volume 29, Issue 17, pp 4604–4610 | Cite as

Electrochemical behaviour and electrical percolation in graphite-epoxy electrodes

  • J. Navarro
  • A. Roig
  • P. Noguera
  • F. Vicente
  • J. Vilaplana
  • J. López
Papers

Abstract

The electrochemical properties of mouldable graphite-epoxy composite electrodes have been studied as a function of graphite content. The shape of ferri-ferrocyanide voltammograms relates to the ratio of graphite and an adsorption process. The dielectric constant from spectroelectrochemical impedance measurement of this composite electrode is maximum when the proportion of graphite is ca. 60 wt%. An electrochemical equivalent circuit is proposed. The graphite-epoxy composite acts as a multi-microelectrode near this proportion.

Keywords

Polymer Graphite Dielectric Constant Adsorption Process Material Processing 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Chapman & Hall 1994

Authors and Affiliations

  • J. Navarro
    • 1
  • A. Roig
    • 1
  • P. Noguera
    • 1
  • F. Vicente
    • 1
  • J. Vilaplana
    • 2
  • J. López
    • 2
  1. 1.Department of Physical ChemistryUniversity of ValenciaBurjassot-ValenciaSpain
  2. 2.Research Department of Toys Institute (AIJU)Ibi-AlacantSpain

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