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Journal of Applied Electrochemistry

, Volume 34, Issue 1, pp 1–7 | Cite as

Electrodeposition of lead dioxide on carbon substrates from a high internal phase emulsion (HIPE)

  • P.J. Blood
  • I.J. Brown
  • S. Sotiropoulos
Article

Abstract

PbO2 coatings on carbon electrode substrates were produced by anodic electrodeposition from a stationary high internal phase emulsion (HIPE) with the bath components added in the water phase. The deposits have a distinct structure consisting of 10–50 μm high pyramidal aggregates, pitted with smaller pores. This is attributed to the growth of the deposits through the aqueous network of the HIPE emulsion that is, through the tortuous paths formed by its interconnected water cavities. The coatings thus produced are characterised by enhanced electrochemical activity towards the PbO2/PbSO4 transformation.

electrodeposition emulsions PbO2 electrodes porous media 

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Copyright information

© Kluwer Academic Publishers 2004

Authors and Affiliations

  • P.J. Blood
    • 1
  • I.J. Brown
    • 1
  • S. Sotiropoulos
    • 2
  1. 1.School of Chemical, Environmental and Mining EngineeringThe University of Nottingham, University ParkNottingham
  2. 2.Department of ChemistryAristotle University of ThessalonikiThessalonikiGreece

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