Table 1.
Equivalent circuit parameters calculated using the Randles’ cell model for various electrode widths and spacing, and perturbation voltages
| Electrode Width (μm) | Electrode Spacing μm) | Perturbation Voltage | Rs (Ω) | CPE (F·sη−1) | Rp (Ω) | η (unitless) |
|---|---|---|---|---|---|---|
| 50 | 200 | 10mV | 60.88 ± 0.75 | 2.42E-06 ± 5.7E-08 | 5.72E+14 ± 2.9E+11 | 0.93 ± 3.8E-03 |
| 1 V | 59.0 ± 0.57 | 2.53E-06 ± 4.6E-08 | 3.65E+14 ± 2.2E+11 | 0.93 ± 2.9E-03 | ||
| 100 | 200 | 10 mV | 63.5 ± 0.49 | 1.99E-06 ± 2.8E-08 | 1.34E+15 ± 2.1E+11 | 0.94 ± 2.2E-03 |
| 1 V | 61.2 ± 0.51 | 2.06E-06 ± 3.1E-08 | 8.28E+14 ± 2.2E+11 | 0.94 ± 2.4E-03 | ||
| 180 | 200 | 10 mV | 49.6 ± 0.28 | 2.90E-06 ± 3.0E-08 | 5.20E+14 ± 1.1E+11 | 0.95 ± 1.6E-03 |
| 1 V | 48.1 ± 0.60 | 3.25E-06 ± 7.8E-08 | 1.81E+14 ± 2.4E+11 | 0.93 ± 3.9E-03 | ||
| 200 | 400 | 10 mV | 39.8 ± 0.30 | 5.20E-06 ± 8.0E-08 | 2.48E+13 ± 9.5E+10 | 0.97 ± 2.6E-03 |
| 1 V | 39.1 ± 0.29 | 5.40E-06 ± 8.6E-08 | 2.89E+14 ± 9.0E+10 | 0.97 ± 2.7E-03 | ||
| 400 | 400 | 10mV | 48.7 ± 0.40 | 3.12E-06 ± 6.0E-08 | 3.45E+14 ± 1.9E+11 | 0.94 ± 3.1E-03 |
| 1 V | 47.5 ± 0.36 | 3.12E-06 ± 4.5E-08 | 4.05E+14 ± 1.4E+11 | 0.95 ± 2.3E-03 |