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Using COMSOL Multiphysics and a modified 3D model of a PEM fuel cell, a computational optimization of a hydrogen-air proton exchange membrane fuel cell is carried out. The influence of the bipolar plate profile (widths of gas channels and current-carrying ribs) on the fuel cell’s polarization curve is investigated. The model is validated using the authors’ own experimental data and shows good agreement between the simulation and experimental results. The fuel cell operational conditions and the parameters of its components are recommended, enabling the achievement of the high specific performance of the power system at current densities above 1 A/cm2.
Mikhnevich et al. (Sat,) studied this question.