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

Author:

Danilov Valery A.1ORCID,Kolb Gunther1ORCID,Cremers Carsten2

Affiliation:

1. Fraunhofer Institute for Microengineering and Microsystems IMM, Carl-Zeiss-Straße 18-20, 55129 Mainz, Germany

2. Fraunhofer Institute for Chemical Technology ICT, 76327 Pfinztal, Germany

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.

Funder

European Defence Agency (EDA) through the Ad-Hoc project

Republic of Austria

Publisher

MDPI AG

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