Summary of electrochemical properties of FHCs.
| Sample | Maximum capacity (mA h g−1) | Maximum energy density (W h kg−1) | Maximum power density (W kg−1) | Capacity retention at 2 A g−1 (%) |
|---|---|---|---|---|
| FHC-1-350 | 432 | 1021.1 | 4120 | 82.9 |
| FHC-1-400 | 606 | 1364.5 | 3840 | 81.3 |
| FHC-1-450 | 712 | 1558.2 | 3720 | 62.6 |
| FHC-1-500 | 876 | 1872.7 | 3740 | 61.4 |
| FHC-2-350 | 499 | 1181.8 | 4148 | 89.3 |
| FHC-2-400 | 716 | 1629.5 | 3706 | 72.9 |
| FHC-2-450 | 724 | 1588.3 | 3680 | 67.9 |
| FHC-2-500 | 892 | 1984.4 | 3560 | 34.9 |
| FHC-3-350 | 789 | 1878 | 4000 | 78.8 |
| FHC-3-400 | 898 | 2025.7 | 3580 | 14.5 |
| FHC-3-450 | 900 | 2059 | 3520 | 10.7 |