Design and Modelling of 3D Bionic Cathode Flow Field for Proton Exchange Membrane Fuel Cell

Proton exchange membrane fuel cells (PEMFCs) have been utilized as a promising power source for new energy vehicles. Their performances are greatly affected by the structural design of flow field in bipolar plate. In this paper, we present novel three-dimensional (3D) bionic cathode field, inspired small intestinal villi. The and working principle 3D units first described. A numerical model is developed to study mass transfer distribution reactants products, well polarization PEMFC with field. simulation results indicate that proposed can significantly improve reaction gas supply from porous electrodes, thus would be beneficial removal liquid water cathode. enhanced due increasing contact areas between diffusion layer (GDL) currents more uniform. obtained demonstrated feasibility using development highly efficient PEMFCs high density.