Polynomial description of dynamic impedance spectrogram—Introduction to a new impedance analysis method

Polynomial description of dynamic impedance spectrogram—Introduction to a new impedance analysis method

This paper presents a polynomial description of spectrograms obtained using Dynamic Electrochemical Impedance Spectroscopy. A method to fit the polynomial degree correctly is discussed. A simple electrical system of a diode connected in parallel with a capacitor was used for testing. Dynamic impedan...

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Bibliographic Details
Main Authors: K. Darowicki, A. Zielinski, M. Mielniczek, E. Janicka, L. Gawel
Format: Article
Language:English
Published: Elsevier 2021-08-01
Series:Electrochemistry Communications
Subjects:
Dynamic Electrochemical Impedance Spectroscopy
Impedance spectra analysis
Polynomial impedance analysis
Impedance spectra description
Online Access:http://www.sciencedirect.com/science/article/pii/S1388248121001624
id doaj-2cfc3eeb474f49b196103d5950cfe358
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spelling doaj-2cfc3eeb474f49b196103d5950cfe3582021-08-02T04:39:14ZengElsevierElectrochemistry Communications1388-24812021-08-01129107078Polynomial description of dynamic impedance spectrogram—Introduction to a new impedance analysis methodK. Darowicki0A. Zielinski1M. Mielniczek2E. Janicka3L. Gawel4Department of Electrochemistry, Corrosion and Materials Engineering, Chemical Faculty, Gdansk University of Technology, 11/12 Narutowicza, 80-233 Gdansk, PolandDepartment of Electrochemistry, Corrosion and Materials Engineering, Chemical Faculty, Gdansk University of Technology, 11/12 Narutowicza, 80-233 Gdansk, PolandCorresponding author.; Department of Electrochemistry, Corrosion and Materials Engineering, Chemical Faculty, Gdansk University of Technology, 11/12 Narutowicza, 80-233 Gdansk, PolandDepartment of Electrochemistry, Corrosion and Materials Engineering, Chemical Faculty, Gdansk University of Technology, 11/12 Narutowicza, 80-233 Gdansk, PolandDepartment of Electrochemistry, Corrosion and Materials Engineering, Chemical Faculty, Gdansk University of Technology, 11/12 Narutowicza, 80-233 Gdansk, PolandThis paper presents a polynomial description of spectrograms obtained using Dynamic Electrochemical Impedance Spectroscopy. A method to fit the polynomial degree correctly is discussed. A simple electrical system of a diode connected in parallel with a capacitor was used for testing. Dynamic impedance measurements during potentiodynamic polarization were conducted. This paper presents an alternative analysis method that allows the determination of system electrochemical characteristics. This method was compared to classical analysis based on equivalent circuit fitting. An alternative method of analysis yielded many advantages in describing impedance results—the potential to obtain an infinite number of impedance spectra over a various range and the possibility to show the resistance and capacitance characteristics as a function of frequency and control of electrochemical energy sources. The polynomial description marks a step forward in analysis automation, facilitating easy and reliable automation and control of electrochemical energy sources.http://www.sciencedirect.com/science/article/pii/S1388248121001624Dynamic Electrochemical Impedance SpectroscopyImpedance spectra analysisPolynomial impedance analysisImpedance spectra description
collection DOAJ
language English
format Article
sources DOAJ
author K. Darowicki
A. Zielinski
M. Mielniczek
E. Janicka
L. Gawel
spellingShingle K. Darowicki
A. Zielinski
M. Mielniczek
E. Janicka
L. Gawel
Polynomial description of dynamic impedance spectrogram—Introduction to a new impedance analysis method
Electrochemistry Communications
Dynamic Electrochemical Impedance Spectroscopy
Impedance spectra analysis
Polynomial impedance analysis
Impedance spectra description
author_facet K. Darowicki
A. Zielinski
M. Mielniczek
E. Janicka
L. Gawel
author_sort K. Darowicki
title Polynomial description of dynamic impedance spectrogram—Introduction to a new impedance analysis method
title_short Polynomial description of dynamic impedance spectrogram—Introduction to a new impedance analysis method
title_full Polynomial description of dynamic impedance spectrogram—Introduction to a new impedance analysis method
title_fullStr Polynomial description of dynamic impedance spectrogram—Introduction to a new impedance analysis method
title_full_unstemmed Polynomial description of dynamic impedance spectrogram—Introduction to a new impedance analysis method
title_sort polynomial description of dynamic impedance spectrogram—introduction to a new impedance analysis method
publisher Elsevier
series Electrochemistry Communications
issn 1388-2481
publishDate 2021-08-01
description This paper presents a polynomial description of spectrograms obtained using Dynamic Electrochemical Impedance Spectroscopy. A method to fit the polynomial degree correctly is discussed. A simple electrical system of a diode connected in parallel with a capacitor was used for testing. Dynamic impedance measurements during potentiodynamic polarization were conducted. This paper presents an alternative analysis method that allows the determination of system electrochemical characteristics. This method was compared to classical analysis based on equivalent circuit fitting. An alternative method of analysis yielded many advantages in describing impedance results—the potential to obtain an infinite number of impedance spectra over a various range and the possibility to show the resistance and capacitance characteristics as a function of frequency and control of electrochemical energy sources. The polynomial description marks a step forward in analysis automation, facilitating easy and reliable automation and control of electrochemical energy sources.
topic Dynamic Electrochemical Impedance Spectroscopy
Impedance spectra analysis
Polynomial impedance analysis
Impedance spectra description
url http://www.sciencedirect.com/science/article/pii/S1388248121001624
work_keys_str_mv AT kdarowicki polynomialdescriptionofdynamicimpedancespectrogramintroductiontoanewimpedanceanalysismethod
AT azielinski polynomialdescriptionofdynamicimpedancespectrogramintroductiontoanewimpedanceanalysismethod
AT mmielniczek polynomialdescriptionofdynamicimpedancespectrogramintroductiontoanewimpedanceanalysismethod
AT ejanicka polynomialdescriptionofdynamicimpedancespectrogramintroductiontoanewimpedanceanalysismethod
AT lgawel polynomialdescriptionofdynamicimpedancespectrogramintroductiontoanewimpedanceanalysismethod
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