Steady-State Voltage Modelling of a HT-PEMFC under Various Operating Conditions

Sylvain Rigal, Amine Jaafar (), Christophe Turpin, Théophile Hordé, Jean-Baptiste Jollys and Paul Kreczanik
Additional contact information
Sylvain Rigal: Institute of Technology Saint Exupéry (IRT Saint Exupéry), 3 Rue Tarfaya, 31400 Toulouse, France
Amine Jaafar: LAPLACE—Laboratoire Plasma et Conversion d’énergie Université de Toulouse, CNRS—Centre National de la Recherche Scientifique, INPT—Institut National Polytechnique de Toulouse, UPS—Université Paul Sabatier, 31077 Toulouse, France
Christophe Turpin: LAPLACE—Laboratoire Plasma et Conversion d’énergie Université de Toulouse, CNRS—Centre National de la Recherche Scientifique, INPT—Institut National Polytechnique de Toulouse, UPS—Université Paul Sabatier, 31077 Toulouse, France
Théophile Hordé: Airbus, 31703 Blagnac, France
Jean-Baptiste Jollys: Alstom, 50 Rue du Dr Guinier, 65600 Séméa, France
Paul Kreczanik: Institute of Technology Saint Exupéry (IRT Saint Exupéry), 3 Rue Tarfaya, 31400 Toulouse, France

Energies, 2024, vol. 17, issue 3, 1-18

Abstract: In this work, a commercially available membrane electrode assembly from Advent Technology Inc., developed for use in high-temperature proton exchange membrane fuel cells, was tested under various operating conditions (OCs) according to a sensibility study with three OCs varying on three levels: hydrogen gas over-stoichiometry (1.05, 1.2, 1.35), air gas over-stoichiometry (1.5, 2, 2.5), and temperature (140 °C, 160 °C, 180 °C). A polarization curve (V-I curve) was performed for each set of operating conditions (27 V-I curves in total). A semi-empirical and macroscopic (0D) model of the cell voltage was developed in steady-state conditions to model these experimental data. With the proposed parameterization approach, only one set of parameters is used in order to model all the experimental curves (simultaneous optimization with 27 curves). Thus, an air over-stoichiometry-dependent model was developed. The obtained results are promising between 0.2 and 0.8 A·cm −2 : an average error less than 1.5% and a maximum error around 7% between modeled and measured voltages with only 9 parameters to identify. The obtained parameters appear consistent, regardless of the OCs. The proposed approach with only one set of parameters seems to be an interesting way to converge towards the uniqueness of consistent parameters.

Keywords: fuel cells; high temperature proton exchange membrane (HT-PEMFC); hydrogen; mathematical model; steady-state model (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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