Table 1. Specific Capacitances of OFG at Different Scan Rates of CV and Current Densities of Galvanostatic Charge/Discharge Experiments Wherein the Electrodes Were Prepared with the PVDF Binder and NMP Was Used for OFG Dispersiona.
scan rate (mV s–1) | specific capacitance (F g–1) | current density (A g–1) | specific capacitance (F g–1) |
---|---|---|---|
100 | 197 | ||
50 | 207 | ||
20 | 219 | 10 | 213 |
10 | 228 | 5 | 221 |
5 | 237 | 2 | 240 |
2 | 260 | 1 | 272 |
1 | 318 | 0.5 | 331 |
retention | 62% | retention | 64% |
Electrodes were dried at 170 °C.