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Numerical simulation of an electrochemical system and semi-analytical method

Farid Taherkhani1*, Doriano Brogioli1*, Fabio La Mantia1*

1 Energiespeicher- und Energiewandlersysteme, Universit├Ąt Bremen, Bibliothekstra├če1, Bremen 28359, Germany

* Corresponding authors emails: taherkhani@uni-bremen.de, brogioli@uni-bremen.de, lamantia@uni-bremen.de
DOI10.24435/materialscloud:eh-fj [version v2]

Publication date: Dec 19, 2022

How to cite this record

Farid Taherkhani, Doriano Brogioli, Fabio La Mantia, Numerical simulation of an electrochemical system and semi-analytical method, Materials Cloud Archive 2022.176 (2022), doi: 10.24435/materialscloud:eh-fj.


Electrochemical systems are often simulated by using numerical methods based on finite element solution of differential equations. We developed a method to decrease the needed computational resources, based on the analytical solution of a part of the system: the obtained analytical equations are applied as boundary conditions to the finite element calculation. The part of the system that is analytically solved is the region of the diffuse double layer. We provide two COMSOL models: i) a 1d fully numerical calculation and ii) the same simulation performed with the semi-analytical method. For each model, we provide the .mph file (Comsol) and the .java file (Java+Comsol). We also provide examples of the resulting impedances and frequency responses of various parameters.

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File name Size Description
50.8 KiB COMSOL model as Java file with the fully numerical calculation.
812.0 KiB COMSOL model file with the fully numerical calculation.
209.8 KiB COMSOL model as Java file with the semi-analytical calculation.
7.3 MiB COMSOL model file with the semi-analytical calculation.
25.2 KiB Examples of results obtained with the models. A README.txt file, with detailed descriptions, is included.


Files and data are licensed under the terms of the following license: Creative Commons Attribution 4.0 International.
Metadata, except for email addresses, are licensed under the Creative Commons Attribution Share-Alike 4.0 International license.


Finite element method Semi-analytical solution Electrochemical system Diffuse double layer

Version history:

2022.176 (version v2) [This version] Dec 19, 2022 DOI10.24435/materialscloud:eh-fj
2022.71 (version v1) Jun 03, 2022 DOI10.24435/materialscloud:5e-39