From: Supercapacitors with alternating current line-filtering performance
Electrode materials | Electrolyte | Phase angle at 120 Hz | f (kHz) at − 45° | \(\tau_{0}\) (ms) | \(\tau_{RC}\) at 120 Hz | Specific capacitance | References |
---|---|---|---|---|---|---|---|
VOG | KOH | 85 | 20 | 0.05 | – | 265 μFcm−2 | [60] |
VOG | KOH | ~ 90 |  | 32.8 | – | 30 F g−1 | [81] |
ErGO | KOH | 84 | 4.2 | 0.17 | 1.35 | 283 μFcm−2 | [9] |
GO film | H2SO4 |  |  | 13.3 |  | 125 F g−1 | [85] |
EOG | KOH | 82 | 4.03 |  | 0.205 | 0.72 mFcm−2 | [86] |
EOG | KOH | 83 | 12 |  | 0.110 | 0.6 mFcm−2 | [88] |
NHG | KOH | 81.2 | 1.2 |  | 0.203 | 0.956 mFcm−2 | [89] |
GO@CNT | NaSO4 | 81.5 |  | 0.82 | 0.19 | 662 μFcm−2 | [14] |
CNT | H2SO4 | 81 | 1.425 | 0.701 | 0.199 | 1.202 mFcm−2 | [30] |
SWCNT | TEABF4 | 82.2 | 1.995 |  | 0.501 | 0.564 mFcm−2 | [71] |
GOMC/CNT | TEABF4 | 80.0 | 1.0 | 1.0 |  | 0.56 mFcm−2 | [70] |
Carbon sponges | KOH | 78 |  | 0.37 | 0.32 | 172 mFcm−2 | [73] |
PENOT:PSS | H2SO4 | 84 |  | 0.59 | 0.15 | 994 mFcm−2 | [75] |
PiCBA | H2SO4/PVA | 73 | 3.62 | 0.27 | 0.83 | 34.1 Fcm−3 | [19] |
Ti3C2/PEDOT:PSS | H2SO4/PHEMA/PVA | 79.1 | 1.41 | 0.709 | 0.29 | 0.56 mFcm−2 | [76] |