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