publication . Article . 2001

Lead dioxide electrodes for high potential anodic processes

Rossano Amadelli; Alexander B. Velichenko;
Open Access English
  • Published: 01 Dec 2001 Journal: Journal of the Serbian Chemical Society, volume 66, issue 11, pages 835-845 (issn: 0352-5139, Copyright policy)
  • Publisher: Serbian Chemical Society
<jats:p>Doping of PbO2 by cations (Fe3+, Co2+ and Ni2+), by F- and by cations and F- simultaneously is discussed as a way of improving the stability and electrochemical activity in processes occurring at high potentials. Doping allows the control of the amount of structural water in an oxide. Radiotracer experiments showed that high electrodeposition current densities favour the segregation of incorporated tritium (protons) at the surface. On the other hand, fluorine doping results in a marked decrease in the amount of surface oxygen species. The influence of doping with metal cations strongly depends on the nature of the metal. Iron behaves like fluorine, while...
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Medical Subject Headings: inorganic chemicals
free text keywords: lead dioxide anodes, doping, ozone electrogeneration, General Chemistry, lcsh:Chemistry, lcsh:QD1-999, Electrochemical cell, Electrode, Materials science, Inorganic chemistry, Lead dioxide, chemistry.chemical_compound, chemistry, Anode, Nickel, chemistry.chemical_element, Oxide, Metal, visual_art.visual_art_medium, visual_art, Electrochemistry
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