Table 1.
Electrochemical performance of various supercapacitors fabricated based on nitrogen doped graphene materials.
| Material | Electrolyte | Test condition A g−1 | Specific capacitance F g−1 | Energy density W h kg−1 | Power density W kg−1 | ref. |
|---|---|---|---|---|---|---|
| Nitrogen-doped graphene with bubble-like textures | 2 M KOH | 1 | 481 | 42.8 | 500 | 12 |
| Porous nitrogen doped graphene film (PNGF) | 6 M KOH | 2 | 250 | 6.43 | 150 | 24 |
| Porous nitrogen-doped graphene (PNG) | [BMIM]PF6 | 1 | 310 | 163.8 | 600 | 30 |
| Mn3O4 nanodots loaded on nitrogen-doped graphene sheets | EMIMBF4 | 0.5 | 28.5 | 63.3 | — | 33 |
| 3D hierarchical porous nitrogen-doped carbon frameworks in situ armored NiO nanograins (NCF/NiO) | 2 M KOH | 1 | 113 | 40.18 | 800 | 34 |
| highly porous nitrogen-sulfur co-doped graphene nanoribbons (NS-GNRs) | 1 M Na2SO4 | 0.5 | 442 | 23.85 | 448 | 35 |
| 3D-Porous nitrogen doped graphene | 6 M KOH | 1 | 405 | 68.1 | 558.5 | This work36 |