Pseudocapacitance Energy storage Mercury Interface Crystal structure Current collector DFT calculations Positive electrode Diazonium Thin films Ionic liquids Microdevice CVD Electronic structure MAS NMR Cycle performance Electrical conductivity Electrochemical capacitors LiFePO4 Titanium nitride Electrochemical impedance spectroscopy Electrolytes Fuel cell FIB/SEM Ionic liquid Failure mechanism Sputtering Manganese dioxide Microbatteries Electrodes Electrode Electrolyte DFT Coating Micro-supercapacitors XPS Diazonium salts Fe Batteries - Lithium Electrochemical capacitor Ionic conductivity CO2 electrolysis EIS Ionic liquid electrolytes Supercapacitor Nickel oxide Anodes Diazonium chemistry Fermi contact Supercapacitors Activated carbon MXene Intercalation NMR Lithium-ion batteries Negative electrode Organic batteries Operando Graphene Lithium battery FeWO 4 Magnetron sputtering MXenes MnO2 Impedance spectroscopy Degradation Silicon Cyclic voltammetry Electrochemistry Grafting Cycling stability Ionogels Lithium-ion battery Electrochemical Capacitor GGA+U Binder Microstructure Transition metals Graphite Li-ion batteries Aqueous electrolyte Chemical vapor deposition SOFC Li-ion battery Exsolution Batteries - Li-ion Micro-supercapacitor Anode Lithium batteries Vanadium nitride Lithium ion batteries Organic battery Ionogel Electrochemical electrodes Batteries Capacitance Electrode material Lithium ion battery Electrochemical performance Perovskite