Table 2.
Electrochemical parameters obtained from the best fit of impedance data for POM and POM–CD reduction reaction at the second cathodic peak (−0.43 V vs. Ag/AgCl). Data obtained from EIS fitting using ZView software is shown in Table S2.
| Eq. γ-CD | Rs (Ω·cm2) | Cdl (µF·cm−2) | Rct (Ω·cm2) | σw (Ω·cm2) | |
|---|---|---|---|---|---|
| Second cathodic peak | 0 | 14.7 | 503.4 | 30.5 | 4.4 |
| 0.5 | 13.6 | 442.9 | 26.3 | 3.4 | |
| 1 | 12.0 | 391.8 | 20.8 | 2.7 | |
| 1.5 | 12.6 | 381.0 | 21.2 | 2.6 | |
| 2 | 13.1 | 370.9 | 20.0 | 2.5 | |
| 3 | 12.8 | 374.1 | 21.9 | 2.7 | |
| 4 | 12.2 | 357.2 | 20.7 | 2.7 | |
| 5 | 11.5 | 333.8 | 18.5 | 2.3 | |
| 10 | 10.8 | 306.1 | 16.0 | 2.0 | |
| 20 | 10.4 | 286.9 | 15.7 | 2.0 | |
| 30 | 10.2 | 267.5 | 14.8 | 1.9 |