Electrochemical characterizations Cathodes 2 Scanning electron microscopy 2 Additives 1 Aromatic compounds 1 Ascorbic acid 1 Band gap energy 1 Barium compounds 1 CNT 1 Capacitance 1 Carbon nanotubes 1 Carbonate electrolytes 1 Cathode 1 Cathode surface 1 Cerium oxide 1 Cutoff voltage 1 Density functional theory 1 Density-functional-theory 1 Design for testability 1 Dimethylamine Borane 1 Double-layer capacitance 1 EIS 1 Electrocatalytic properties 1 Electrochemical electrodes 1 Electrochemical impedance spectroscopy 1 Electrochemical measurements 1 Electrodeposition 1 Electrodes 1 Electrolyte additives 1 Electrolyte solvent 1