Electrochemical comparison between IrO2 prepared by thermal treatment of iridium metal and IrO2 prepared by thermal decomposition of H2IrCl6 solution

Fierro, S.; Kapalka, A.; Comninellis, Ch.

doi:10.1016/j.elecom.2009.11.018

Fierro, S.; Kapalka, A.; Comninellis, Ch.

2010

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Abstract

The surface redox activities, the oxygen evolution reaction (OER), the oxidation of formic acid (FA) and the anodic stability have been investigated and compared on IrO2 electrodes prepared by two techniques: the thermal decomposition of H2IrCl6 precursor (TDIROF) and the thermal treatment of metallic iridium (TOIROF). It was found, that the surface redox activities involved on both IrO2-based electrodes are similar. Concerning the oxygen evolution reaction and the oxidation of formic acid, both films show similar mechanism.

Details

Title Electrochemical comparison between IrO2 prepared by thermal treatment of iridium metal and IrO2 prepared by thermal decomposition of H2IrCl6 solution

Author(s) Fierro, S. ; Kapalka, A. ; Comninellis, Ch.

Published in Electrochemistry Communications

Volume 12

Pages 172-174

Date 2010

Publisher Elsevier

ISSN 1388-2481

Keywords

IrO2; Thermal decomposition of H2IrCl6; Thermal treatment of metallic Ir; Oxygen evolution; Formic acid oxidation; Surface redox activity; Oxygen Evolution Reaction; Formic-Acid Oxidation; Ti/Iro2 Electrodes

DOI https://doi.org/10.1016/j.elecom.2009.11.018

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Laboratories GGEC