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Corrosion properties of Cu/TiO2 with different TiO2 content in 0.5 M NaOH solution.
| Nano TiO2 content (wt.%) | Electrochemical parameters | Impedance measurements | ||
|---|---|---|---|---|
| Corrosion current density. (mA/cm2) | Corrosion potential Ecorr.(− mV) | Ru (ohm) | Rp(ohm) | |
| 0 | 0.67 | 364 | 10.67 | 7.01 |
| 4 | 1.26 | 455 | 10.58 | 5.7 |
| 8 | 1.43 | 253 | 7.7 | 3.64 |
| 12 | 1.93 | 479 | 5.2 | 2.9 |
