materialscloud:2022.176
Published December 19, 2022 | Version v2
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Numerical simulation of an electrochemical system and semi-analytical method

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  • 1. Energiespeicher- und Energiewandlersysteme, Universität Bremen, Bibliothekstraße1, Bremen 28359, Germany

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Description

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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References

Journal reference (Paper in which the method is described)
Farid Taherkhani, Doriano Brogioli, and Fabio La Mantia."Numerical simulation of electrochemical systems by coupling analytical calculation of the diffuse double layer and finite element description of solution bulk", Electroanalysis 34 (2022)., doi: 10.1002/elan.202200257

Journal reference (Paper in which the method is described)
Farid Taherkhani, Doriano Brogioli, and Fabio La Mantia."Numerical simulation of electrochemical systems by coupling analytical calculation of the diffuse double layer and finite element description of solution bulk", Electroanalysis 34 (2022).