Effect of Active Layer Composition on the Service Life of  ( SnO2   and RuO2 )  ‐ Coated Ti Electrodes in Sulfuric Acid Solution

Iwakura, Chiaki; Sakamoto, Kenji

doi:10.1149/1.2113590

Cited by 63 publications

(40 citation statements)

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“…Figure 3 shows that no significant Ru peak displacement was found, and thus no solid solution is formed, contrary to [10]. …”

Section: Mixed Coatingsmentioning

confidence: 97%

“…As an example, the indium-tin oxide thin films prepared by thermal decomposition, show a minimum in the electrical resistivity for a certain painting solution composition [13]: because of probable Sn losses, this is most likely to be different from the real In-Sn ratio obtained in the annealed coating. Another typical example is the RuO2-SnO2 coating for which a maximum of service life was obtained with a painting solution composition of 30mo1% Ru-70 mol % Sn which was explained by the formation of an RuSn206 compound [10].…”

Section: Mixed Coatingsmentioning

confidence: 99%

“…Some studies [10,11,12] have demonstrated the ability of SnO2 to increase considerably, the electrochemical stability of RuO2 and IrO2-RuO,, coatings. Recent needs for optically transparent electrodes (mainty in photoelectrochemistry) prepared by thermal decomposition [13] motivated the study of SnO2 coating deposition.…”

Section: Introductionmentioning

confidence: 99%

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Problems in DSA� coating deposition by thermal decomposition

1991

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Several DSA | coatings were prepared by thermal decomposition of metallic chloride salts on titanium base. It was shown that the painting composition does not necessarily correspond to the final coating composition. Thermogravimetric and fluorescent X-ray measurements were used to identify and characterize the material losses. It was found that IrO2, Ta20 5 and RuO~ compounds can be deposited with almost 100% yield, while SnO~ and Pt precursors give high material losses. The influence of parameters affecting the deposition yield are discussed.

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“…Figure 3 shows that no significant Ru peak displacement was found, and thus no solid solution is formed, contrary to [10]. …”

Section: Mixed Coatingsmentioning

confidence: 97%

Section: Mixed Coatingsmentioning

confidence: 99%

See 1 more Smart Citation

Problems in DSA� coating deposition by thermal decomposition

1991

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“…This may occur due to the pores in the layer and the rapid evolution of gas on the surface, inducing the separation of weakly bound parts of the active layer [28] [31] [32].…”

Section: Electrochemical Characterizationsmentioning

confidence: 99%

Morphological and Electrochemical Characterization of Ti/MxTiySnzO2 (M = Ir or Ru) Electrodes Prepared by the Polymeric Precursor Method

Carneiro¹,

Silva²,

Rocha³

et al. 2016

ACES

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This paper describes the effect of the composition of the oxide films on the properties of electrodes Ti/M x Ti y Sn z O 2 (M = Ir or Ru) prepared by the polymeric precursor method. XRD studies showed that the anodes are formed by solid solutions. The electrodes containing IrO 2 exhibit lower activity for the oxygen evolution reaction. The doping of the electrode surface with SnO 2 improves the catalytic properties of the anodes. However, it should be held in appropriate compositions, because the change in the atomic ratio of this element shows a marked effect on the stability of

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“…However, RuO 2 is not stable in acidic environments, and the O 2 evolution overpotential increases with time [6,7]. Several researchers have reported that the electrochemical stability of DSAs can be significantly improved by incorporating other components into RuO 2 [8][9][10]. In spite of significant improvement in electrochemical stability by introducing various components, the durability of RuO 2 -based DSAs is still insufficient for industrial applications.…”

Section: Introductionmentioning

confidence: 99%

Effects of the geometry and operating temperature on the stability of Ti/IrO2–SnO2–Sb2O5 electrodes for O2 evolution

2010

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Ternary IrO 2 -Sb 2 O 5 -SnO 2 anode has shown its superiorities over IrO 2 and many other electrocatalysts for O 2 evolution, in terms of electrochemical stability, activity and cost. The performance of IrO 2 -Sb 2 O 5 -SnO 2 anodes is affected by its electrochemical properties and operating conditions. In this paper, the electrochemical stability and activity of the Ti/IrO 2 -Sb 2 O 5 -SnO 2 anodes prepared with three different geometries were investigated under different operating conditions. It was found that anodes with large mean curvature have high electrochemical stability. Although increasing temperature results in a decrease in the stability of Ti/IrO 2 -Sb 2 O 5 -SnO 2 , the anode with a mean curvature of 200 m -1 still shows acceptable service life even at 70°C. This tolerance of high temperature was attributed to the thermal expansion difference between the substrate and the coating layer, the redox window for Ir(V)/ Ir(IV) conversion, and the redox reversibility of Sb and Sn species in the coating layer.

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Effect of Active Layer Composition on the Service Life of ( SnO2 and RuO2 ) ‐ Coated Ti Electrodes in Sulfuric Acid Solution

Abstract: technique has been published for either electroplating or nonelectrolytic plating palladium on zirconium.

Cited by 63 publications

References 0 publications

Problems in DSA� coating deposition by thermal decomposition

Problems in DSA� coating deposition by thermal decomposition

Morphological and Electrochemical Characterization of Ti/MxTiySnzO2 (M = Ir or Ru) Electrodes Prepared by the Polymeric Precursor Method

Effects of the geometry and operating temperature on the stability of Ti/IrO2–SnO2–Sb2O5 electrodes for O2 evolution

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