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Artículo

Current and potential distribution in electrochemical reactors with activated or resistive electrodes. A multiregion and open source approach

Colli, Alejandro NicolásIcon ; Bisang, Jose MariaIcon
Fecha de publicación: 11/2018
Editorial: Elsevier Science
Revista: Electrochimica Acta
ISSN: 0013-4686
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Otras Ingeniería Química

Resumen

An open source compact and general tool, implemented in OpenFOAM including a novel solver with a new boundary condition and post-processing utilities, is derived to enable calculations of local current and potential distributions in electrochemical systems with activated or resistive electrodes and also leakage currents in the case of a bipolar connection. The algorithm allows the calculations for a given local potential in any electrode, for a fixed cell potential difference and also for a current flowing through the cell under galvanostatic control. In order to validate the algorithm, a detailed comparison between the suggested strategy with experimental results and some simplified theoretical models is made. It was concluded that the proposed mathematical treatment is reliable for the modelling of these electrochemical systems due to the good agreement between theoretical and experimental values with a mean relative percent error of 8.8 ± 2.1% for the current distribution for the whole set of experiments.
Palabras clave: BIPOLAR ELECTRODES , CURRENT DISTRIBUTION , LEAKAGE CURRENTS , POTENTIAL DISTRIBUTION , RESISTIVE ELECTRODES
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Atribución-NoComercial-SinDerivadas 2.5 Argentina (CC BY-NC-ND 2.5 AR)
Identificadores
URI: http://hdl.handle.net/11336/85034
DOI: https://doi.org/10.1016/j.electacta.2018.09.121
URL: https://www.sciencedirect.com/science/article/pii/S0013468618321170
Colecciones
Articulos(CCT - SANTA FE)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - SANTA FE
Citación
Colli, Alejandro Nicolás; Bisang, Jose Maria; Current and potential distribution in electrochemical reactors with activated or resistive electrodes. A multiregion and open source approach; Elsevier Science; Electrochimica Acta; 290; 11-2018; 676-685
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