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  The external-pulse introduced pattern in a system with a closer reference electrode and a quasi-one-dimensional ribbon working electrode

Xu, Y., Christoph, J., & Eiswirth, M. (2007). The external-pulse introduced pattern in a system with a closer reference electrode and a quasi-one-dimensional ribbon working electrode. Electrochimica Acta, 52(28), 8081-8087. doi:10.1016/j.electacta.2007.07.011.

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 Urheber:
Xu, Yanhui1, Autor           
Christoph, Johannes1, Autor           
Eiswirth, Markus1, Autor           
Affiliations:
1Physical Chemistry, Fritz Haber Institute, Max Planck Society, ou_634546              

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Schlagwörter: stationary domains; nonlinear electrochemistry; cyclopean pattern; electro-oxidation; formic acid; oscillatory phenomenon KeyWords Plus: oxidation; electrodissolution; surfaces; behavior; fronts; acid; cell
 Zusammenfassung: In the present work the electrochemical pattern formation was investigated during electro-oxidation of formic acid on platinum electrode. The working electrode is quasi-one-dimensional ribbon polycrystalline platinum. The stationary domains (sDs) have been successfully captured after an external pulse was triggered. At a relatively high conductivity a new kind of electrochemical pattern was found and it is named as cyclopean pattern. In a nonlinear electrochemical system with an N-type negative differential resistance, the theoretical simulation of the spatial temporal structure is able to predict the existence of stationary domains. Increasing the electrolyte conductivity promotes the formation of stationary domains and cyclopean pattern. The difference of the potential amplitudes in two phases (domains) becomes smaller in an electrolyte with a higher conductivity.

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Sprache(n): eng - English
 Datum: 2007-11-01
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: eDoc: 324183
DOI: 10.1016/j.electacta.2007.07.011
 Art des Abschluß: -

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Titel: Electrochimica Acta
  Alternativer Titel : Electrochim. Acta
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 52 (28) Artikelnummer: - Start- / Endseite: 8081 - 8087 Identifikator: -