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Air‐cooled polymer electrolyte membrane fuel cells (PEMFCs) have emerged as a potential power generation source, due to its simple construction and operation. Flow‐field designing for the efficient distribution of reactants is of paramount importance in air‐cooled PEM fuel cells. The requirement of flow fields with uniform distribution amounting to minimal pressure drop across the flow area is necessary...
A proper water management is important for an efficient operation of a polymer electrolyte membrane (PEM) fuel cell system. The humidity distribution in the anode gas channels is highly dependent on the cathode humidity and the resulting transmembrane water transport. Therefore, it can be assumed that the cell humidification is optimal when the relative anode humidity is nearly 100% and homogeneously...
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