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A comparison of the Nernst-Planck and Maxwell-Stefan approaches to modelling multicomponent charge transport in electrolyte solutions

Farrell, Troy W. & Psaltis, Steven (2009) A comparison of the Nernst-Planck and Maxwell-Stefan approaches to modelling multicomponent charge transport in electrolyte solutions. In Badescu, Viorel & Paulescu, Marius (Eds.) Physics of Nanostructured Solar Cells. Nova Science Publishers Inc, New York, pp. 327-353.

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Abstract

An understanding of charge transport in electrolytic solutions is of vital importance in the modelling and simulation of electrochemically and photoelectrochemically active porous media. To this end, we present two multicomponent charge transport models for an electrolyte system based on the generalized Maxwell-Stefan equations and the dilute solution Nernst-Planck equations. These transport models are used to develop two further models of a simple electrochemical cell consisting of ideally polarizable metal electrodes and a binary electrolyte. The results from the numerical solution of these Maxwell-Stefan and Nernst-Planck models are compared for a range of electrolyte concentrations and the applicability of each model approach is discussed.

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ID Code: 21257
Item Type: Book Chapter
Additional URLs:
Keywords: Charge transport, Maxwell-Stefan, Nernst-Planck, Electolyte solutions, Multicomponent transport
ISBN: 9781608761104
Subjects: Australian and New Zealand Standard Research Classification > MATHEMATICAL SCIENCES (010000) > APPLIED MATHEMATICS (010200) > Applied Mathematics not elsewhere classified (010299)
Divisions: Past > QUT Faculties & Divisions > Faculty of Science and Technology
Past > Schools > Mathematical Sciences
Copyright Owner: Copyright 2009 Nova Science Publishers Inc
Deposited On: 18 Jun 2009 11:30
Last Modified: 01 Mar 2012 00:25

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