Anodes 33 Lithium-ion batteries 12 Electrolytes 10 Graphene 8 Electrodes 7 Cathodes 6 Electrochemical electrodes 6 Scanning electron microscopy 6 Anodic oxidation 5 Anodizations 5 Electrochemical performance 5 Nanotubes 5 Performance 5 Photo-anodes 5 Reversible capacity 5 Silicon 5 Solid electrolytes 5 Theoretical capacity 5 Titanium dioxide 5 Anode 4 Anodization 4 Charging (batteries) 4 Chlorine compounds 4 Cyclic voltammetry 4 Efficiency 4 Electrochemicals 4 Electronic conductivity 4 Metal ions 4 Potassium hydroxide 4 Sodium compounds 4