Review Article
Graphene: A Rising Star on the Horizon of Materials Science
Table 3
A comparison of various carbon electrode materials for supercapacitors.
| Carbon-based material | Specific surface area (m2 g−1) | Density (g cm−3) | Electrical conductivity (S cm−1) |
Cost | Specific capacitance (F g−1) | Aqueous electrolyte | Organic electrolyte |
| Fullerene | 1100–1400 | 1.72 | 10−8–10−14 | Medium | — | — | CNTs | 120–500 | 0.6 | 104–105 | High | 50–100 | <60 | Graphene | 2630 | >1 | 106 | High | 100–200 | 80–110 | Graphite | 10 | 2.26 | 104 | Low | | | Activated carbon | 1000–3500 | 0.4–0.7 | 0.1–1 | Low | <200 | <100 | Templated porous carbon | 500–3000 | 0.5–1 | 0.3–10 | High | 120–350 | 60–140 | Activated carbon fibers | 1000–3000 | 0.3–0.8 | 5–10 | Medium | 120–370 | 80–200 | Carbon aerogels | 400–1000 | 0.5–0.7 | 1–10 | Low | 100–125 | <80 |
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