Hydrothermal synthesis of transition metal oxides, transition metal oxide/carbonaceous material nanocomposites for supercapacitor applications

The recent advancements in energy storage devices move towards ample storage and harnessing of energy in different forms. This includes batteries, solar cells, fuel cells, and supercapacitors. Transition metal oxides (TMOs) nanocomposite design has dramatically improved electrochemical energy storage and conversion technologies due to its vast performance and good conductivity. Herein, we have compiled a complete list of transition metal oxide composites used as electrode materials in supercapacitor applications. This includes cobalt oxides, manganese, iron, titanium, vanadium, copper, zinc, and various composites for advanced supercapacitor studies. Lastly, inference on the overall performances of different transition metal oxide composites and their advancements has been compiled.