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The Ministry of Science and Environment Protection, Republic of Serbia, Contract No. 1230.

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On the deactivation mechanism of RuO2–TiO2/Ti anodes prepared by the sol–gel procedure

Panić, Vladimir; Dekanski, Aleksandar; Mišković-Stanković, Vesna; Milonjić, Slobodan; Nikolić, Branislav

(Elsevier, 2005)

TY  - JOUR
AU  - Panić, Vladimir
AU  - Dekanski, Aleksandar
AU  - Mišković-Stanković, Vesna
AU  - Milonjić, Slobodan
AU  - Nikolić, Branislav
PY  - 2005
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/4134
AB  - The deactivation process that leads to the end of titanium supported RuO2-TiO2 coating service life, for anodes prepared from RuO2 and TiO2 sols, as well as by the conventional thermal decomposition of RuCl3 and TiCl3, was investigated. The loss of electrocatalytic activity was registered by an accelerated stability test in 0.50 mol dm-3 NaCl electrolyte, while the changes in the electrochemical properties were monitored during the stability test by cyclic voltammetry, polarization measurements and electrochemical impedance spectroscopy in 1.0 mol dm-3 HClO 4 and in 0.50 mol dm-3 NaCl. The changes in anode behavior suggest that the essential cause for the deactivation of the anode prepared by the sol-gel procedure is the formation of an insulating TiO 2-rich layer at the coating surface due to the continuous dissolution of the Ru active species. However, the growth of the insulating TiO2 layer in the coating/Ti substrate interphase mainly causes deactivation of the thermally prepared anode. The deactivation mechanism appeared to be the consequence of the different morphology of the coatings prepared by two different procedures.
PB  - Elsevier
T2  - Journal of Electroanalytical Chemistry
T1  - On the deactivation mechanism of RuO2–TiO2/Ti anodes prepared by the sol–gel procedure
VL  - 579
IS  - 1
SP  - 67
EP  - 76
DO  - 10.1016/j.jelechem.2005.01.026
ER  - 
@article{
author = "Panić, Vladimir and Dekanski, Aleksandar and Mišković-Stanković, Vesna and Milonjić, Slobodan and Nikolić, Branislav",
year = "2005",
abstract = "The deactivation process that leads to the end of titanium supported RuO2-TiO2 coating service life, for anodes prepared from RuO2 and TiO2 sols, as well as by the conventional thermal decomposition of RuCl3 and TiCl3, was investigated. The loss of electrocatalytic activity was registered by an accelerated stability test in 0.50 mol dm-3 NaCl electrolyte, while the changes in the electrochemical properties were monitored during the stability test by cyclic voltammetry, polarization measurements and electrochemical impedance spectroscopy in 1.0 mol dm-3 HClO 4 and in 0.50 mol dm-3 NaCl. The changes in anode behavior suggest that the essential cause for the deactivation of the anode prepared by the sol-gel procedure is the formation of an insulating TiO 2-rich layer at the coating surface due to the continuous dissolution of the Ru active species. However, the growth of the insulating TiO2 layer in the coating/Ti substrate interphase mainly causes deactivation of the thermally prepared anode. The deactivation mechanism appeared to be the consequence of the different morphology of the coatings prepared by two different procedures.",
publisher = "Elsevier",
journal = "Journal of Electroanalytical Chemistry",
title = "On the deactivation mechanism of RuO2–TiO2/Ti anodes prepared by the sol–gel procedure",
volume = "579",
number = "1",
pages = "67-76",
doi = "10.1016/j.jelechem.2005.01.026"
}
Panić, V., Dekanski, A., Mišković-Stanković, V., Milonjić, S.,& Nikolić, B.. (2005). On the deactivation mechanism of RuO2–TiO2/Ti anodes prepared by the sol–gel procedure. in Journal of Electroanalytical Chemistry
Elsevier., 579(1), 67-76.
https://doi.org/10.1016/j.jelechem.2005.01.026
Panić V, Dekanski A, Mišković-Stanković V, Milonjić S, Nikolić B. On the deactivation mechanism of RuO2–TiO2/Ti anodes prepared by the sol–gel procedure. in Journal of Electroanalytical Chemistry. 2005;579(1):67-76.
doi:10.1016/j.jelechem.2005.01.026 .
Panić, Vladimir, Dekanski, Aleksandar, Mišković-Stanković, Vesna, Milonjić, Slobodan, Nikolić, Branislav, "On the deactivation mechanism of RuO2–TiO2/Ti anodes prepared by the sol–gel procedure" in Journal of Electroanalytical Chemistry, 579, no. 1 (2005):67-76,
https://doi.org/10.1016/j.jelechem.2005.01.026 . .
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