Abstract
A numerical simulation tool with macroscopic models of mass and heat transport, electrical conductance and electrochemical kinetics in PEM fuel cells was developed to predict the effect of operating, structural and material condition on a large- scale cell performance. As a result, the parameters of these macroscopic models can be adjusted to reproduce the measured I- V curves under 12 operating conditions for the different reactant concentration, relative humidity and reactant utilization. Using a set of the adjusted parameters, the effect of operating, structural and material conditions on the performance of a 300cm2 serpentine cell was investigated.
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