Cobalt 4 Coordination Polymers 4 Coordination reactions Crystalline materials 4 Doping (additives) 4 Electrolytes 4 Metal organic framework 4 Metalorganic frameworks (MOFs) 4 Nitrogen-doped mesoporous carbons 4 Organic polymers 4 Organometallics 4 Capacitance 2 Catalysts 2 Charge-discharge cycle 2 Cobalt compounds 2 Coordination polymer 2 Electrokinetic parameters 2 Electrolytic reduction 2 Exchange current densities 2 Fuel cells 2 Mesoporous materials 2 Metal-organic framework 2 Methanol 2 N-doped mesoporous carbons 2 Nitrogen 2 Oxygen reduction reaction 2 Platinum 2 Platinum-free 2 Polyelectrolytes 2 Polymer electrolyte membranes 2