Modeling and simulation of a proton exchange membrane fuel cell using computational fluid dynamics |
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Authors: | Marjan Haghayegh Mohammad H. Eikani Soosan Rowshanzamir |
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Affiliation: | 1. Young Researchers and Elites Club, Science and Research Branch, Islamic Azad University, Tehran, Iran;2. Department of Chemical Technologies, Iranian Research Organization for Science and Technology (IROST), Tehran, Iran;3. Fuel Cell Laboratory, Green Research Center, Iran University of Science and Technology, 16846-13114 Tehran, Iran |
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Abstract: | An isothermal, three dimensional, single phase model was presented to evaluate a proton exchange membrane fuel cell (PEMFC) with serpentine flow. The mass, momentum and electrochemical equations were solved simultaneously for the steady state condition using computational fluid dynamics (CFD) software based on the finite element method. The model considered reactions as mass source/sink terms, and electron transport in the catalyst layers and GDLs. To validate the model, the numerical results were compared to the experimental data collected from the fabricated membrane electrode assemblies. The exchange current density parameter of the catalysts was fitted by the model to calibrate the results. The model showed good agreement with experimental data and predicted a higher current density for the catalyst with a higher surface area and Pt content. The oxygen, hydrogen and water mass fraction distribution, velocity magnitude and pressure distribution were estimated by the model. Moreover, the effect of pressure and temperature, as two important operating conditions, on the current density was predicted by the validated model. |
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Keywords: | Proton exchange membrane Fuel cell Mathematical model CFD model |
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