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Fabrication and characterization of a PbO-TiN composite electrode by CO-deposition method

Journal of the Electrochemical Society, ISSN: 1945-7111, Vol: 163, Issue: 10, Page: D592-D602
2016
  • 39
    Citations
  • 0
    Usage
  • 21
    Captures
  • 0
    Mentions
  • 76
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    39
    • Citation Indexes
      39
  • Captures
    21
  • Social Media
    76
    • Shares, Likes & Comments
      76
      • Facebook
        76

Article Description

An excellent PbO electrode with high electrocatalytic activity and stability was successfully fabricated by doping TiN particles through co-deposition method (marked as PbO-TiN). The morphology (SEM), crystalline structure (XRD), chemical state (XPS), electrochemical performances (CV and EIS) and stability (accelerated life test) were characterized. The results showed that TiN doping could obviously improve the surface morphology of the electrode, increase the electrode current response and reduce the electrode impedance. During the electrochemical oxidation process, the PbO-0.5TiN electrode showed the best performance on degradation of Acid Red G and Methylene blue (the highest removal efficiency, the lowest energy consumption and minimum Pb dissolution). The proportion of adsorbed hydroxyl oxygen for PbO-0.5TiN electrode was 78.75%, which was higher than that for PbO electrode (68.95%). The accelerated service lifetime of PbO-0.5TiN electrode was 302 h, which was more than 3 times longer than that of PbO electrode (96 h). Furthermore, a likely deactivation mechanism for lifetime enhancement of PbO-0.5TiN electrode was proposed.

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