Table 27.
Performance of supercapacitors with various configurations, based on data extracted from articles published between 2020 and 2023.
| Device Configuration | Electrolyte | Electrode Type | Energy Density (Wh/kg) |
Power Density (W/kg) |
Publication Year | Reference |
|---|---|---|---|---|---|---|
| WO3-WS2-MWCNT/Ni foam// AC/Ni foam |
3 M KOH | (+) PC//EDLC (−) | 86 24 |
848 11,828 |
2023 | [87] |
| Ni-Co-Mg MOF/MoS2/Ni foam// AC/Ni foam |
1 M KOH | (+) PC//EDLC (−) | 107.32 | 1350 | 2023 | [88] |
| NH4MnPO4@Graphene QD/Graphite//rGO/Graphite |
3 M H2SO4
3 M H2SO4 + 0.025 M (KI/VOSO4) |
(+) PC//EDLC (−) | 199 311 |
450 450 |
2022 | [89] |
| Ni3(PO4)2-MWCNTs/Ni foam// AC/Ni foam |
(+) PC//EDLC (−) | 94.4 24.82 |
340 10,200 |
2022 | [90] | |
| Mn-V-Sn oxyhydroxide/Ni foam// N-carbon/Ni foam |
1 M KOH | (+) PC//EDLC (−) | 70.6 17.1 |
1372.4 18,861.3 |
2022 | [91] |
| NH4OH-ZIF/Ni foam//GO/Ni foam | 6 M KOH | (+) PC//EDLC (−) | 4.16 | 20,000 | 2022 | [92] |
| CoS-Co3(PO4)2/Ni foam//AC/Ni foam | 1 M KOH | (+) PC//EDLC (−) | 34.68 63.93 |
13,600 850 |
2021 | [93] |
| Fe3O4@N-carbon-rGO/Ni foam// rGO/Ni foam |
6 M KOH | (+) PC//EDLC (−) | 46 10 |
750 7500 |
2021 | [94] |
| MWCNT-NiMnPO4/Ni foam// AC/Ni foam |
2 M KOH | (+) PC//EDLC (−) | 698 43 |
78 5780 |
2020 | [95] |
| graphitic carbon nitride (g-C3N4)-BiVO4/Graphite paper (symmetric) |
3.5 M KOH | (+) PC//PC (−) | 61 7.2 |
1996 16,200 |
2020 | [96] |
| Zn-Carbon cloths//S/P doped carbon (S/p-C)/graphite rod |
0.5 M K2SO4
1 M KBr |
(+) PC//PC (−) | 270 181 |
185 9300 |
2020 | [97,98] |
EDLC → electrical double-layer capacitive type; PC → pseudo capacitive type.