Synthesizing Electrically Equivalent Circuits for Use in Electrochemical Impedance Spectroscopy through Grammatical Evolution

Electrochemical impedance spectroscopy (EIS) is an important electrochemical technique that is used to detect changes and ongoing processes in a given material. The main challenge of EIS is interpreting the collected measurements, which can be performed in several ways. This article focuses on the e...

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Autores principales:	Matevž Kunaver, Mark Žic, Iztok Fajfar, Tadej Tuma, Árpád Bűrmen, Vanja Subotić, Žiga Rojec
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	electrochemical impedance spectroscopy fuel cells optimization evolutionary computation Chemical technology TP1-1185 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/7a98aa74f8f2498e827386364bf025cb
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spelling	oai:doaj.org-article:7a98aa74f8f2498e827386364bf025cb2021-11-25T18:49:51ZSynthesizing Electrically Equivalent Circuits for Use in Electrochemical Impedance Spectroscopy through Grammatical Evolution10.3390/pr91118592227-9717https://doaj.org/article/7a98aa74f8f2498e827386364bf025cb2021-10-01T00:00:00Zhttps://www.mdpi.com/2227-9717/9/11/1859https://doaj.org/toc/2227-9717Electrochemical impedance spectroscopy (EIS) is an important electrochemical technique that is used to detect changes and ongoing processes in a given material. The main challenge of EIS is interpreting the collected measurements, which can be performed in several ways. This article focuses on the electrical equivalent circuit (EEC) approach and uses grammatical evolution to automatically construct an EEC that produces an AC response that corresponds to one obtained by the measured electrochemical process(es). For fitting purposes, synthetic measurements and data from measurements in a realistic environment were used. In order to be able to faithfully fit realistic data from measurements, a new circuit element (ZARC) had to be implemented and integrated into the SPICE simulator, which was used for evaluating EECs. Not only is the presented approach able to automatically (i.e., with almost no user input) produce a more than satisfactory EEC for each of the datasets, but it also can also generate completely new EEC configurations. These new configurations may help researchers to find some new, previously overlooked ongoing electrochemical processes.Matevž KunaverMark ŽicIztok FajfarTadej TumaÁrpád BűrmenVanja SubotićŽiga RojecMDPI AGarticleelectrochemical impedance spectroscopyfuel cellsoptimizationevolutionary computationChemical technologyTP1-1185ChemistryQD1-999ENProcesses, Vol 9, Iss 1859, p 1859 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	electrochemical impedance spectroscopy fuel cells optimization evolutionary computation Chemical technology TP1-1185 Chemistry QD1-999
spellingShingle	electrochemical impedance spectroscopy fuel cells optimization evolutionary computation Chemical technology TP1-1185 Chemistry QD1-999 Matevž Kunaver Mark Žic Iztok Fajfar Tadej Tuma Árpád Bűrmen Vanja Subotić Žiga Rojec Synthesizing Electrically Equivalent Circuits for Use in Electrochemical Impedance Spectroscopy through Grammatical Evolution
description	Electrochemical impedance spectroscopy (EIS) is an important electrochemical technique that is used to detect changes and ongoing processes in a given material. The main challenge of EIS is interpreting the collected measurements, which can be performed in several ways. This article focuses on the electrical equivalent circuit (EEC) approach and uses grammatical evolution to automatically construct an EEC that produces an AC response that corresponds to one obtained by the measured electrochemical process(es). For fitting purposes, synthetic measurements and data from measurements in a realistic environment were used. In order to be able to faithfully fit realistic data from measurements, a new circuit element (ZARC) had to be implemented and integrated into the SPICE simulator, which was used for evaluating EECs. Not only is the presented approach able to automatically (i.e., with almost no user input) produce a more than satisfactory EEC for each of the datasets, but it also can also generate completely new EEC configurations. These new configurations may help researchers to find some new, previously overlooked ongoing electrochemical processes.
format	article
author	Matevž Kunaver Mark Žic Iztok Fajfar Tadej Tuma Árpád Bűrmen Vanja Subotić Žiga Rojec
author_facet	Matevž Kunaver Mark Žic Iztok Fajfar Tadej Tuma Árpád Bűrmen Vanja Subotić Žiga Rojec
author_sort	Matevž Kunaver
title	Synthesizing Electrically Equivalent Circuits for Use in Electrochemical Impedance Spectroscopy through Grammatical Evolution
title_short	Synthesizing Electrically Equivalent Circuits for Use in Electrochemical Impedance Spectroscopy through Grammatical Evolution
title_full	Synthesizing Electrically Equivalent Circuits for Use in Electrochemical Impedance Spectroscopy through Grammatical Evolution
title_fullStr	Synthesizing Electrically Equivalent Circuits for Use in Electrochemical Impedance Spectroscopy through Grammatical Evolution
title_full_unstemmed	Synthesizing Electrically Equivalent Circuits for Use in Electrochemical Impedance Spectroscopy through Grammatical Evolution
title_sort	synthesizing electrically equivalent circuits for use in electrochemical impedance spectroscopy through grammatical evolution
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/7a98aa74f8f2498e827386364bf025cb
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Synthesizing Electrically Equivalent Circuits for Use in Electrochemical Impedance Spectroscopy through Grammatical Evolution

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