Modeling approach to identify physically distinct processes convoluted in electrochemical impedance spectra for proton-conducting solid oxide fuel cells

Electrochemical impedance spectroscopy (EIS) is an important characterization technique for solid oxide fuel cells (SOFCs); however, the overlap or dispersion in the frequency domain among physically distinct processes imposes great difficulties on unambiguous interpretation of EIS data. Built upon...

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Veröffentlicht in:	Journal of applied electrochemistry 2014-06, Vol.44 (6), p.683-694
Hauptverfasser:	Shi, Junxiang, Xue, Xingjian
Format:	Artikel
Sprache:	eng
Schlagworte:	Calibration Chemistry Chemistry and Materials Science Dispersions Electric potential Electrochemical impedance spectroscopy Electrochemistry Fuel cells Industrial Chemistry/Chemical Engineering Physical Chemistry Research Article Solid oxide fuel cells Spectra Strategy Voltage
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container_title	Journal of applied electrochemistry
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creator	Shi, Junxiang Xue, Xingjian
description	Electrochemical impedance spectroscopy (EIS) is an important characterization technique for solid oxide fuel cells (SOFCs); however, the overlap or dispersion in the frequency domain among physically distinct processes imposes great difficulties on unambiguous interpretation of EIS data. Built upon mechanistic SOFC model development and calibrations using polarization curve and multiple EIS curves under different operating voltages, a process reduction strategy was studied to identify both magnitude and frequencies of physically distinct processes convoluted in EIS.
doi_str_mv	10.1007/s10800-014-0682-2
format	Article
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Built upon mechanistic SOFC model development and calibrations using polarization curve and multiple EIS curves under different operating voltages, a process reduction strategy was studied to identify both magnitude and frequencies of physically distinct processes convoluted in EIS.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><doi>10.1007/s10800-014-0682-2</doi><tpages>12</tpages></addata></record>
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subjects	Calibration Chemistry Chemistry and Materials Science Dispersions Electric potential Electrochemical impedance spectroscopy Electrochemistry Fuel cells Industrial Chemistry/Chemical Engineering Physical Chemistry Research Article Solid oxide fuel cells Spectra Strategy Voltage
title	Modeling approach to identify physically distinct processes convoluted in electrochemical impedance spectra for proton-conducting solid oxide fuel cells
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