XPS data of the oxygen (O) functionalities on the electrodes.
| Electrode | Binding energy/eV | Oads content/% | Olat content/% | |
|---|---|---|---|---|
| Oads | Olat | |||
| PbO2 | 530.6 | 529.25 | 47.97 | 52.03 |
| CNT-PbO2 | 531.15 | 529.3 | 56.14 | 43.86 |
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