Open Access
Table 1
Summary of surface chemistry and electrochemical data for NiCo2O4 electrode materials. Bold values represent the best performing material.
| Blank | ESM templated | PMMA templated | |||||
|---|---|---|---|---|---|---|---|
| XPS | Ni 2p | 855 eV | Ni+2 | ||||
| 874 eV | Ni+3 | ||||||
| Co 2p | 780 eV | Co+2 | |||||
| 796 eV | Co+3 | ||||||
| O 1s | 529 eV | O1 | |||||
| 531 eV | O2 | ||||||
| Surface area (m2·g−1) | 0.43 | 7.34 | 20.91 | ||||
| Average | Range | Average | Range | Average | Range | ||
|---|---|---|---|---|---|---|---|
| Pore size (nm) | 14 | 5–50 | 15 | 5–50 | 50 | 5–50 | |
| Capacitance (F·g−1) | 25.39 | 28.19 | 38.03 | ||||
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