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