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Electrodeposition of PbO2 and Bi–PbO2 on Ebonex

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Abstract

Electrodeposition of PbO2 and Bi–PbO2 on Ebonex was carried out under various conditions, and the surfaces and coating/substrate interfaces examined by SEM, XPS and SIMS. Excellent adhesion to Ebonex was obtained with both crystalline and amorphous surfaces. Low plating temperatures resulted in dark grey, bright PbO2 and black, mirror-like Bi–PbO2 surfaces. Extrapolation of electrode lifetime test data indicated corrosion rates of 716 μm yr−1 for PbO2 and 158 μm yr−1 for Bi–PbO2.

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Authors and Affiliations

  1. Fine Chemicals Group, Research and Development Department, AECI, South Africa

    A. H. Ras

  2. Department of Chemistry, University of Pretoria, Pretoria, 0002, South Africa

    J. F. van Staden

Authors
  1. A. H. Ras
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  2. J. F. van Staden
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Ras, A.H., van Staden, J.F. Electrodeposition of PbO2 and Bi–PbO2 on Ebonex. Journal of Applied Electrochemistry 29, 313–319 (1999). https://doi.org/10.1023/A:1003461717690

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  • DOI: https://doi.org/10.1023/A:1003461717690

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