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Characterization of a Commercial Polymer Electrolyte Membrane Fuel Cell Stack by Means of Physics-Based Modeling and Distribution of Relaxation Times

Name: Characterization of a Commercial Polymer Electrolyte Membrane Fuel Cell Stack by Means of Physics-Based Modeling and Distribution of Relaxation Times
Creator: Andrei Kulikovsky
Keywords: 020209 energy, 0211 other engineering and technologies, 0202 electrical engineering, electronic engineering, information engineering, 021108 energy, 02 engineering and technology, info:eu-repo/classification/ddc/530, 7. Clean energy

descriptionPublicationkeyboard_double_arrow_right Article 28 Jan 2022 Germany Publisher:American Chemical Society (ACS)Journal:The Journal of Physical Chemistry C, volume 126, pages 2,424-2,429 (issn: 1932-7447, eissn: 1932-7455,

Authors: Andrei Kulikovsky;

doi: 10.1021/acs.jpcc.1c10334

Characterization of a Commercial Polymer Electrolyte Membrane Fuel Cell Stack by Means of Physics-Based Modeling and Distribution of Relaxation Times

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Abstract

Impedance spectra of a commercial polymer electrolyte membrane fuel cell (PEMFC) stack are analyzed by means of fitting a physics-based model and distribution of relaxation times (DRT) techniques. Oxygen transport coefficients of the gas-diffusion layer, the cathode catalyst layer (CCL), and the CCL proton conductivity are determined for the stack current densities of 150, 250, and 400 mA cm–2. DRT function returns reaction resistivity and transport resistivites of the channel and porous layers. A good agreement between the transport parameters resulting from the fitted model and DRT is demonstrated.

Country

Germany

Related Organizations

Lomonosov Moscow State University
Russian Federation
Helmholtz Association of German Research Centres
Germany
Forschungszentrum Jülich
Germany
Institute of Mathematical Problems of Biology
Russian Federation
Forschungszentrum Jülich GmbH
Germany

Keywords

info:eu-repo/classification/ddc/530

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