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