Inverse Opal Structure Platinum Electrode for Improving a Membrane-Electrode Assembly Performance of Polymer Electrolyte Membrane Fuel Cell

The ordered macroporous inverse opal structures electrode would be attractive structure for various applications in electrochemical device. The inverse opal structured platinum electrode was directly fabricated for application of membrane-electrode assemblies (MEA) in polymer electrolyte membrane fuel cells (PEMFC). The electrode was prepared by pulse electro–deposition following polystyrene colloidal crystal template on gas diffusion layers, without any additional transfer process at the electrodes. The performance of the inverse opal electrode-based MEA in the PEMFC was higher than that of a traditional MEA with Pt/C catalyst because of the morphological advantages of inverse opal structure.