DECiM: Determination of equivalent circuit models

Electrochemical Impedance Spectroscopy (EIS) is a widely used, nondestructive electrochemical technique for analyzing many different systems. Currently, the most popular analysis method for EIS data is via Equivalent Circuit Models (ECMs). Many programs exist for constructing ECMs and fitting them t...

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Bibliographic Details
Published in:SoftwareX 2024-09, Vol.27, p.101807, Article 101807
Main Authors: Rodenburg, Hendrik P., Ngene, Peter
Format: Article
Language:English
Subjects:
EIS
Electrochemistry
Equivalent circuits
Impedance spectroscopy
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Summary:Electrochemical Impedance Spectroscopy (EIS) is a widely used, nondestructive electrochemical technique for analyzing many different systems. Currently, the most popular analysis method for EIS data is via Equivalent Circuit Models (ECMs). Many programs exist for constructing ECMs and fitting them to data, but these programs are often closed-source. In this work, we present an open-source program for equivalent circuit modeling called DECiM, which relies heavily on human input but is easy to operate. With two examples, we show how DECiM can easily and effectively validate spectra and construct and fit ECMs to data. The simple structure and open-source nature of DECiM make implementing new features easy, rendering the program versatile for impedance data analysis.
ISSN:2352-7110
2352-7110
DOI:10.1016/j.softx.2024.101807