Table 2 Comparison of electrochemical performance of biomass-derived carbon materials in a three-electrode system.
Precursor | SBET (m2 g−1) | Activation method | Capacitance (F g−1) | Measurement condition | Ref |
|---|---|---|---|---|---|
Auricularia | 80 | hydrothermal treatment + carbonization | 196 | 6 M KOH 5 mV s−1 | |
Celtuce leaves | 3404 | KOH | 421 | 2 M KOH 0.5 A g−1 | |
Banana peel | 1650 | Zinc complexes | 206 | 6 M KOH 1 A g−1 | |
Pomelo peel | 2725 | KOH | 342 | 6 M KOH 0.2 A g−1 | |
corn husk | 928 | KOH | 356 | 6 M KOH 1 A g−1 | |
shiitake mushrooms | 2988 | H3PO4 + KOH | 306 | 6 M KOH 1 A g−1 | |
fungus | 1103 | hydrothermal treatment in KOH solution + carbonization | 374 | 6 M KOH 0.5 A g−1 | |
bamboo | 1472 | KOH | 301 | 6 M KOH 0.1 A g−1 | |
pumpkin | 2968 | KOH | 419 | 6 M KOH 1 A g−1 | |
Willow catkin | 1533 | KOH | 298 | 6 M KOH 0.5 A g−1 | |
Bamboo shoot | 972 | hydrothermal treatment + carbonization | 412 | 6 M KOH 0.9 A g−1 | This work |
