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  Extension of the rotating disk electrode method to thin samples of non-disk shape

Pohl, M. D., Haschke, S., Göhl, D., Kasian, O., Bachmann, J., Mayrhofer, K. J. J., et al. (2019). Extension of the rotating disk electrode method to thin samples of non-disk shape. Journal of the Electrochemical Society, 166(15), H791-H794. doi:10.1149/2.0951914jes.

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 Creators:
Pohl, Marcus D.1, Author
Haschke, Sandra2, Author
Göhl, Daniel3, Author              
Kasian, Olga3, Author              
Bachmann, Julien4, 5, Author              
Mayrhofer, Karl Johann Jakob6, Author              
Katsounaros, Ioannis7, Author              
Affiliations:
1Helmholtz-Institute Erlangen-Nürnberg for Renewable Energy (IEK-11), Forschungszentrum Jülich GmbH, 91058 Erlangen, Germany, ou_persistent22              
2Department of Chemistry and Pharmacy, Chemistry of Thin Film Materials, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91058 Erlangen, Germany, ou_persistent22              
3Electrocatalysis, Interface Chemistry and Surface Engineering, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_1863354              
4Department of Chemistry and Pharmacy, Friedrich-Alexander University Erlangen-Nürnberg, 91058 Erlangen, Germany, ou_persistent22              
5Institute of Chemistry, Saint Petersburg State University, Saint Petersburg, 198504 Russian Federation, ou_persistent22              
6Helmholtz-Institute Erlangen-Nuremberg for Renewable Energy (IEK-11), Forschungszentrum Jülich, Egerlandstrasse 3, 91058 Erlangen, Germany, ou_persistent22              
7Forschungszentrum Jülich, Helmholtz-Institute Erlangen-Nürnberg for Renewable Energy (IEK-11), Egerlandstr. 3, 91058 Erlangen, Germany, ou_persistent22              

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Free keywords: Adhesives; Carbon monoxide; Electrodes; Electrolytes; Electrolytic reduction; Platinum, Adhesive materials; Carbon monoxide oxidation; Electrochemical reactions; Electrode morphology; Evaporated films; Hydrogen oxidation; Oxygen Reduction; Rotating disk electrodes, Rotating disks
 Abstract: A straightforward approach is presented to make thin electrode samples of non-disk shape compatible with the rotating disk electrode method, by merely attaching the sample on the rotating shroud and confining the area exposed to the electrolyte using chemically resistant, adhesive material. The performance of an as prepared rotating E-beam evaporated platinum film is compared with that of a conventional rotating platinum disk for three classical electrochemical reactions: the carbon monoxide oxidation, the hydrogen oxidation, and the oxygen reduction. Despite the unusual electrode morphology that deviates from the ideal rotating disk electrode configuration, the results and conclusions for the rotating E-beam evaporated film are equivalent to those for the classical rotating disk. Thus, this approach enables investigations under well controlled mass transport conditions using non-conventional thin electrode samples. © 2019 The Electrochemical Society.

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Language(s): eng - English
 Dates: 2019-10-25
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1149/2.0951914jes
 Degree: -

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Title: Journal of the Electrochemical Society
  Abbreviation : J. Electrochem. Soc.
Source Genre: Journal
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Publ. Info: New York, NY, USA : Electrochemical Society
Pages: - Volume / Issue: 166 (15) Sequence Number: - Start / End Page: H791 - H794 Identifier: ISSN: 0013-4651
CoNE: https://pure.mpg.de/cone/journals/resource/991042748197686