NDLI: Impedance Measurement and Selection of Electrochemical Equivalent Circuit of a Working PEM Fuel Cell Cathode

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Impedance Measurement and Selection of Electrochemical Equivalent Circuit of a Working PEM Fuel Cell Cathode

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Impedance Measurement and Selection of Electrochemical Equivalent Circuit of a Working PEM Fuel Cell Cathode

Content Provider	Springer Nature Link
Author	Darowicki, Kazimierz Gawel, Lukasz
Copyright Year	2017
Abstract	The dynamic impedance analysis of direct methanol fuel cell (DMFC) cathode supplied with pure oxygen is presented. Presented results were obtained during dynamic changes of the current density in working fuel cell. Investigation of the occurring processes at cathode was carried with dynamic electrochemical impedance spectroscopy (DEIS). A discussion was conducted based on the determined correlation parameter χ $^{2}$. It was shown that the selection of an appropriate equivalent circuit cannot be carried out only with correlation parameter of analysis between experimental impedance spectra and the equivalent circuit. Comprehensive analysis of equivalent circuit parameter changes during fuel cell working is needed to determine appropriate equivalent model. Thanks to DEIS technique, comparing of the different equivalent circuits proposed in other works during dynamic changes of operating condition could be presented. In addition, the new electrical circuit has been proposed to describe the cathode performance with poisoned electrocatalyst in fuel cell with reduced efficiency. Graphical Abstract The equivalent electrical circuit of an operating fuel cell cathode
Starting Page	235
Ending Page	244
Page Count	10
File Format	PDF
ISSN	18682529
Journal	Electrocatalysis
Volume Number	8
Issue Number	3
e-ISSN	18685994
Language	English
Publisher	Springer US
Publisher Date	2017-02-23
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	DMFC Cathode Impedance DEIS Equivalent circuit Electrochemistry Physical Chemistry Catalysis Energy Technology
Content Type	Text
Resource Type	Article
Subject	Electrochemistry

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Impedance Measurement and Selection of Electrochemical Equivalent Circuit of a Working PEM Fuel Cell Cathode

Equivalent Electric Circuit Modeling and Performance Analysis of a PEM Fuel Cell Stack Using Impedance Spectroscopy

Single fuel cell with supported LSM cathode

Universal equivalent circuit of electrochemical cell

Testing of PEM fuel cell performance by electrochemical impedance spectroscopy: Optimum condition for low relative humidification cathode

Impedance monitoring of fuel cell stacks

Catalyst Layer Performance in PEM Fuel Cell: Analytical Solutions

Investigation of Electrochemical Properties of Model Lanthanum Strontium Cobalt Ferrite-Based Cathodes for Proton Ceramic Fuel Cells

Test Method and Equivalent Circuit Modeling of a PEM Fuel Cell in a Passive State

Impedance Measurement and Selection of Electrochemical Equivalent Circuit of a Working PEM Fuel Cell Cathode

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