The electro catalyst layer is crucial since it affects the fuel cell's total cost.Regardless, PEMFC is a viable contender for replacing gasoline engines in automobiles and aircraft [24].Electrons go from the anode to the cathode through an externally linked circuit in the FC. At the same time, 
protons travel through the electrolyte to reach the cathode [22].A tiny quantity of Nafion (Sulfonated Polytetrafluoroethylene) holds these catalysts 
together [21].