| Name of capacitor | Electric double layer capacitor | Pseudocapacitor | Hybrid capacitor | Battery type supercapacitor |
| A | B |
| Energy storage mechanism of the first electrode | Electric double layer | Pseudocapacitance | Electric double layer | Electric double layer | Electric double layer + Redox reaction |
| Energy storage mechanism of the second electrode | Electric double layer | Pseudocapacitance | Pseudocapacitance | Electric double layer + Redox reaction | Electric double layer + Redox reaction |