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  A permeation model for the electrochemical interface

Preiss, U. P. R. M., Borukhovich, E., Alemayehu Zerihun, N., Steinbach, I., & La Mantia, F. (2013). A permeation model for the electrochemical interface. Modelling and Simulation in Materials Science and Engineering, 21(7): 074006. doi:10.1088/0965-0393/21/7/074006.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0001-D52F-B Version Permalink: http://hdl.handle.net/21.11116/0000-0001-D530-8
Genre: Journal Article

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 Creators:
Preiss, Ulrich P. R. M.1, Author              
Borukhovich, Efim1, Author              
Alemayehu Zerihun, Nega1, 2, Author              
Steinbach, Ingo3, Author              
La Mantia, Fabio4, Author              
Affiliations:
1Interdisciplinary Centre for Advanced Materials Simulation (ICAMS), Ruhr-Universität Bochum, Universitätsstraße 150, 44801 Bochum, Germany, persistent22              
2Interface Spectroscopy, Interface Chemistry and Surface Engineering, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_1863358              
3Interdisciplinary Centre for Advanced Materials Simulation (ICAMS), Ruhr-Universität Bochum, 44780 Bochum, Germany, ou_persistent22              
4Zentrum für Elektrochemie (CES), Ruhr-Universität Bochum, Universitätsstraße 150, 44801 Bochum, Germany, persistent22              

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Free keywords: Diffusion and transport; Electrochemical interface; Electrode surfaces; Exchange currents; Impedance spectroscopy; Metallic interfaces; Phase field models; Potential gradients, Cyclic voltammetry; Phase interfaces, Electrodes
 Abstract: We show the transferability of the recently introduced concept of permeation from the context of finite dissipation in simple metallic interfaces to much more complicated electrochemical interfaces. The phenomenological bridge is formed by the exchange current, which can be measured by either impedance spectroscopy or by cyclic voltammetry. In a proof-of-concept phase field model, Nernst-Planck diffusion and transport of charged species in a potential gradient as the solution of the Poisson equation are considered. It is shown that charges build up on the outer electrode surface in a fashion resembling the electrochemical double layer. © 2013 IOP Publishing Ltd.

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Language(s): eng - English
 Dates: 2013-10
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1088/0965-0393/21/7/074006
BibTex Citekey: Preiss2013
 Degree: -

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Title: Modelling and Simulation in Materials Science and Engineering
  Abbreviation : Modelling Simul. Mater. Sci. Eng
Source Genre: Journal
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Publ. Info: London : IOP Pub.
Pages: - Volume / Issue: 21 (7) Sequence Number: 074006 Start / End Page: - Identifier: ISSN: 0965-0393
CoNE: /journals/resource/954925581155