Table 6. Comparison of the Physicochemical Properties of Materials Used in Supercapacitors (Open Access).

Physiochemical properties	Carbon-based materials	Metal oxides	Conducting polymers
Non-Faradaic capacitance	Very high	medium	Medium
Faradaic capacitance	Low	Very high	Very high
Conductivity	Very high	Low	Very high
Energy density	Low	High	Medium
Power density	High	Low	Medium
Cost	Low	High	Low
Chemical stability	Very high	Low	High
Cycle life	Very high	Medium	Medium
Easy fabrication process	Medium	Very low	High