Table 2.
Comparison of specific capacitances for CMS sample with carbon materials in relevant reports
| Sample name | Raw material | Specific capacity | Electrolyte | Power density (device) | Energy density (device) | Reference |
|---|---|---|---|---|---|---|
| HPC-4 | Waste PET bottles | 413 ± 19 F·g−1/1 A·g−1 (−1–0 V) | 6 M KOH | 450 W·kg−1 | 25 W·h·kg−1 | [29] |
| PSC-3-700 | Expanded polystyrene foam | 327 F·g−1/1 A·g−1 (−0.2–0.8 V) | 1 M H2SO4 | 250 W·kg−1 | 10.2 W·h·kg−1 | [30] |
| LPCD-30 | Waste lignin | 325 F·g−1/1 A·g−1 (−1–0 V) | 6 M KOH | 100 W·kg−1 | 8.4 W·h·kg−1 | [31] |
| LS-800 | Loofah sponge | 304 F·g−1/1 A·g−1 (−1–0 V) | 6 M KOH | 500 W·kg−1 | 10 W·h·kg−1 | [18] |
| NPCs-2-700 | Melamine-urea-formaldehyde resins | 341 F·g−1/1 A·g−1 (−0.2–(−0.8) V) | 6 M KOH | 350.15 W·kg−1 | 9.6 W·h·kg−1 | [32] |
| KOH-1 | Cellulose | 162 F·g−1/0.5 A·g−1 (−1–0 V) | 6 M KOH | 5532 W·kg−1 | 4.1 W·h·kg−1 | [33] |
| CMS-3 | Waste face mask | 328.9 F·g−1/1 A·g−1 (−0.8–0 V) | 6 M KOH | 300 W·kg−1 | 11.2 W·h·kg−1 | This work |