Effect of Channel Width on Fuel Cell Performance Using 3D ModellingR. Pushpangadan, S. S. Dimble, and S. P. Duttagupta
A three Dimensional model of the PEM Fuel cell is implemented using COMSOL Multiphysics and the channel width is varied to study the performance.Effect of channel width on the performance of the cell is studied by varying the width of the channel and keeping channel width to rib ratio constant at 1. Rib width is the width of the GDL area which is not covered by the channel. All other parameters of the cell are kept constant.
As the channel width is increased , considerable drop in performance is observed.The maximum performance was obtained for the cell with channel width 0.5 mm and the cell showed maximum reduction in performance when the channel width was increased to 2 mm
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