Gold autodeactivation during oxygen electroreduction studied by electrochemical impedance spectroscopy

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Gold autodeactivation during oxygen electroreduction studied by electrochemical impedance spectroscopy

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Publication Article, peer reviewed scientific
Title Gold autodeactivation during oxygen electroreduction studied by electrochemical impedance spectroscopy
Author Tripachev, Oleg ; Bogdanovskaya, Vera ; Tarasevich, Mikhail ; Andoralov, Viktor
Date 2012
English abstract
The deactivation of a polycryst. Au electrode is obsd. during O electroredn. reaction (ORR) in basic medium. At that, the cause of the process is chem. decompn. of the ORR intermediate and blocking of active sites of the electrode surface by hydroxyl radical-like species. The deactivation mechanism is discussed.
DOI http://dx.doi.org/10.1016/j.jelechem.2012.07.030 (link to publisher's fulltext)
Publisher Elsevier
Host/Issue Journal of Electroanalytical Chemistry;
Volume 683
ISSN 1873-2569
Pages 21-24
Language eng (iso)
Subject Autodeactivation
Oxygen reduction reaction
Impedance
Superoxide
Gold
Catalysis
Sciences
Research Subject Categories::NATURAL SCIENCES
Handle http://hdl.handle.net/2043/14990 Permalink to this page
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