Calculated electrochemical surface area of VN in various salt electrolytes and 0.1 M and 1 M KOH. Values were determined from 150 mV subsections of operating window CVs wherein low pseudocapacitive behavior (low redox activity) is present.
| Electrolyte | Electrochemical surface area (m2 g−1) |
|---|---|
| 0.5 M K2SO4 | 17.7 |
| KCl | 11.7 |
| Na2SO4 | 12.6 |
| NaCl | 18.4 |
| Li2SO4 | 16.3 |
| LiCl | 22.6 |
| MgSO4 | 11.8 |
| MgCl2 | 25.8 |
| 0.02 M CaSO4 | 10 |
| 0.06 M CaCl2 | 9.7 |
| 1 M KOH | 31.1 |
| 0.1 M KOH | 11.5 |