Analysis of the cathode side of a PEMFC varying design parameters to optimize current distribution and power density

The amount and distribution over the active area of current density produced by stack is a key aspect fuel cell performance. performance proton exchange membrane (PEMFC) affected many factors, including operating conditions, flow field manifold design, In present study, 3D multiphysics model PEMFC half-cell focused in cathode side developed. Statistical analysis tools are proposed to quantitatively evaluate on electrode order guarantee proper while maintaining power density. was done choosing four design parameters at three different levels which fractional factorial experimental provided Taguchi method applied. Finally 0.65 V working potential, that guarantees good generation its adequate cell, selected. best conditions were obtained with geometries parallel channels, maximum gas diffusion layer porosity, inlet air velocity minimum vapor fraction, this combination improves 2.31 times generated worst case analyzed.