Journal Article

FZJ-2019-04558

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Numerical Modeling of Polymer Electrolyte Fuel Cells With Analytical and Experimental Validation

Zhang, S.FZJ* ; Reimer, U.FZJ* ; Rahim, Y. ; Beale, S. (Corresponding author)FZJ* ; Lehnert, W.FZJ*RWTH*

2019
ASME71917 New York, NY

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Please use a persistent id in citations: doi:10.1115/1.4042063

Abstract: A computational fluid dynamics model for high-temperature polymer electrolyte fuel cells (PEFC) is developed. This allows for three-dimensional (3D) transport-coupled calculations to be conducted. All major transport phenomena and electrochemical processes are taken into consideration. Verification of the present model is achieved by comparison with current density and oxygen concentration distributions along a one-dimensional (1D) channel. Validation is achieved by comparison with polarization curves from experimental data gathered in-house. Deviations between experimental and numerical results are minor. Internal transport phenomena are also analyzed. Local variations of current density from under channel regions and under rib regions are displayed, as are oxygen mole fractions. The serpentine gas channels contribute positively to gas redistribution in the gas diffusion layers (GDLs) and channels.

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Contributing Institute(s):

1. Technoökonomische Systemanalyse (IEK-3)
2. JARA - HPC (JARA-HPC)

Research Program(s):

1. 135 - Fuel Cells (POF3-135) (POF3-135)
2. Flexible Simulation of Fuel Cells with OpenFOAM (jara0070_20131101) (jara0070_20131101)

Appears in the scientific report 2019

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Database coverage:
Current Contents - Engineering, Computing and Technology ; Science Citation Index Expanded ; Thomson Reuters Master Journal List ; Web of Science Core Collection

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