Table 2 Comparison of electrochemical performance of supercapacitors based on carbon and graphene materials.
Electrode material | Method | Electrolyte | Current density (A/g) | ΔV | Cs (F/g) | Cycle test | References |
---|---|---|---|---|---|---|---|
Activated carbon fiber | Chemical activation | 1 M H2SO4 | 0.2 | 1.8 | 254.0 | 10,000 (96%) | |
GO/Ppy | Polymerization | 1 M H2SO4 | 1.0 | 1.0 | 233.0 | 4000 (91.2%) | |
GTR | Surfactant intercalation | 2 M H2SO4 | 1.0 | 1.0 | 194.0 | 1000 (90%) | |
RGO | Hydrothermal treatment | 1 M H2SO4 | 1.0 | 0.8 | 367.0 | 1000 (107.7%) | |
RGO-HD | Thermal annealing | 6 M KOH | 1.0 | 1.0 | 182.0 | 5000 (96.4%) | |
RGO-HP5A | Redox reaction | 1 M H2SO4 | 1.0 | 1.0 | 294.0 | – | |
rlGO | Hydrothermal treatment | 1 M H2SO4 | 1.0 | 1.0 | 274.0 | – | |
T-GR | Thermal annealing | 6 M KOH | 1.0 | 1.0 | 271.0 | 5000 (93.8%) | |
G250 | Thermal annealing | 6 M KOH | 1.0 | 1.0 | 167.3 | 3000 (94.7%) | |
P-3DHPCs | Pyrolysis | 6 M KOH | 0.3 | 1.0 | 319 | 10,000 (96.5%) | |
ArGO | Thermal annealing | 1 M H2SO4 | 1.0 | 0.9 | 230.3 | – | This work |
TArGO | Thermal annealing | 1 M H2SO4 | 0.5 | 0.9 | 372.1 | – | This work |
1.0 | 0.9 | 280.0 | 10,000 (103.8%) | This work |