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Energies 2014, 7(1), 351-364; doi:10.3390/en7010351

Polarization Curve of a Non-Uniformly Aged PEM Fuel Cell

Institute of Energy and Climate Research—Electrochemical Process Engineering (IEK-3), Research Center "Juelich", Juelich D-52425, Germany
Received: 11 November 2013 / Revised: 3 January 2014 / Accepted: 8 January 2014 / Published: 16 January 2014
(This article belongs to the Special Issue Polymer Electrolyte Membrane Fuel Cells)
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We develop a semi-analytical model for polarization curve of a polymer electrolyte membrane (PEM) fuel cell with distributed (aged) along the oxygen channel MEA transport and kinetic parameters of the membrane–electrode assembly (MEA). We show that the curve corresponding to varying along the channel parameter, in general, does not reduce to the curve for a certain constant value of this parameter. A possibility to determine the shape of the deteriorated MEA parameter along the oxygen channel by fitting the model equation to the cell polarization data is demonstrated.
Keywords: PEMFC; aging; modeling PEMFC; aging; modeling
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Kulikovsky, A. Polarization Curve of a Non-Uniformly Aged PEM Fuel Cell. Energies 2014, 7, 351-364.

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