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Corrosion properties of Cu/ TiO2 with different TiO2 content in 0.5 M H2SO4 solution.
| Nano TiO2 content (wt.%) | Electrochemical parameters | Impedance measurements | ||
|---|---|---|---|---|
| Corrosion current density (mA/cm2) | Corrosion potential Ecorr.(− mV) | Ru (ohm) | Rp (ohm) | |
| 0 | 1.2 | 35.1 | 5.2 | 4.9 |
| 4 | 2.7 | 53.3 | 4.5 | 4.6 |
| 8 | 3.6 | 14.5 | 2.1 | 2.9 |
| 12 | 5.3 | 34.5 | 1.03 | 1.87 |
