A Dynamic Tanks-in-Series Model for a High-Temperature PEM Fuel Cell

Valery A. Danilov, Gunther Kolb () and Carsten Cremers
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Valery A. Danilov: Fraunhofer Institute for Microengineering and Microsystems IMM, Carl-Zeiss-Straße 18-20, 55129 Mainz, Germany
Gunther Kolb: Fraunhofer Institute for Microengineering and Microsystems IMM, Carl-Zeiss-Straße 18-20, 55129 Mainz, Germany
Carsten Cremers: Fraunhofer Institute for Chemical Technology ICT, 76327 Pfinztal, Germany

Energies, 2024, vol. 17, issue 12, 1-16

Abstract: A dynamic tanks-in-series model has been developed for the coupled heat, mass, and charge transfer processes in a high-temperature proton exchange membrane fuel cell. The semi-empirical model includes the heat and mass balance equations in the gas channels and the membrane electrode assembly together with the charge balance at the electrode/membrane interfaces. The outputs of the tanks-in-series model are the concentration, the temperature, and the current density with a step change from tank to tank. The dynamic non-isothermal model is capable of predicting both the transient and steady-state behavior of the fuel cell and reproducing impedance data under harmonic perturbations of the cell potential together with a comprehensive interpretation of experimental data.

Keywords: HT-PEMFC; mass transfer; heat transfer; impedance (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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