Polarization curves Electrolytic reduction 6 Mesoporous carbon 6 Polarization 6 Carbon 4 Cathodes 4 Cyclic voltammetry 4 EIS 4 Electrochemical corrosion 4 Electrochemical impedance spectroscopy 4 Electrodes 4 Mesoporous materials 4 ORR 4 Polymers 4 Proton exchange membrane fuel cells (PEMFC) 4 RDE 4 Rotating disks 4 Supported Pt 4 Absorption spectroscopy 2 Adsorption 2 Au electrodes 2 Behavioral research 2 Biocatalysis 2 Bioelectric Energy Sources 2 Biofuel cell 2 Biofuels 2 Biological fuel cells 2 CO stripping 2 CO2 corrosion 2 CO₂ corrosion 2