Abstract
It is important to reduce the diffusion polarization at high load conditions for achieving higher performance in direct methanol fuel cell. Previous research by the authors has shown that a porous stainless flow field improved cell performance at higher load conditions. This research applied the porous stainless steel to the gas diffusion layer (GDL) of a direct methanol fuel cell, and experimentally analyzed its effect on the cell performance. The result shows that porous stainless steel GDL enables direct methanol fuel cell to operate with higher output than carbon-paper type GDL especially at higher current densities.
