Computational models of polymer electrolyte fuel cells (PEFCs) of various degrees of complexities have been reported in the recent years and are capable of simulating detail transport phenomena within the PEFCs where experimental methods cannot. A thorough model validation is necessary for the model results to be used in analysis and design. Water transport in PEFCs has a strong effect on the performance regardless of the operating conditions. In low humidity cases, especially, the amount of water exchange from anode to cathode has a strong role in governing the water content in the anode side of the polymer electrolyte membrane (PEM), consequently on the ionic conductivity of the anode side of the membrane and catalyst layer. In this work, we present results on validation of the previously developed CFD based PEFC model for low humidity conditions using current density and species distribution data along the flow direction provided in the open literature. An excellent current density profile was obtained and species profiles were found to capture the data trend well, especially for the first half of the flow distance. Our findings suggest that, an accurate water transport modeling is paramount in capturing the overall PEFC behavior.

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