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- W3100149704 abstract "Abstract The electrochemical and corrosion characterization of Ti 0.97 Ru 0.03 O 2 /Ti electrodes modified with WO 3 was reported. Modification of Ti 0.97 Ru 0.03 O 2 /Ti electrodes with WO 3 was previously described as improving the effectiveness of an azo dye degradation in a photoelectrochemical treatment. Thus, the effect of WO 3 introduction to oxide film on electrode surface on electrochemical behaviour and stability of the modified electrodes was investigated. Moreover, corrosion behaviour of Ti 0.97 Ru 0.03 O 2 /Ti electrodes modified with WO 3 was evaluated with the application of potentiodynamic polarization sweep method and open circuit potential measurement. Electrodes modified with WO 3 revealed higher anodic and cathodic peak currents in K 4 [Fe(CN) 6 ] solution (by 35% for 6%WO 3 content) indicating higher electroactive surface area and faster electron transfer reaction. An increase in WO 3 amount in the oxide layer caused an increase in the number of active sites determined in Na 2 SO 4 and most of them (more than 80%) were located in the outer and more accessible surface. The investigation of the tested electrodes at high potentials at which oxygen evolution is observed, allowed their classification in the following order showing an increase in their activity towards oxygen evolution reaction: Ti 0.97 Ru 0.03 O 2 /Ti < Ti 0.94 Ru 0.03 O 2 -W 0.03 O 3 /Ti < Ti 0.91 Ru 0.03 O 2 -W 0.06 O 3 /Ti. Although the electrode modification with WO 3 resulted in lower resistance to corrosion in Na 2 SO 4 solution regarding corrosion potential, corrosion current densities were clearly lower in comparison with the non-modified electrode, especially after longer immersion in the solution. ASTs showed that even a small addition of WO 3 increased the lifetime of the electrodes. The Ti 0.97 Ru 0.03 O 2 /Ti electrode modification with WO 3 seemed to be advantageous for their application in electrochemical and photoelectrochemical degradation of organic pollutants." @default.
- W3100149704 created "2020-11-23" @default.
- W3100149704 creator A5072939356 @default.
- W3100149704 date "2020-06-27" @default.
- W3100149704 modified "2023-10-05" @default.
- W3100149704 title "Evaluating the Effect of WO3 on Electrochemical and Corrosion Properties of TiO2-RuO2-Coated Titanium Anodes with Low Content of RuO2" @default.
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- W3100149704 doi "https://doi.org/10.1007/s12678-020-00615-w" @default.
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