Table 1.
The fitting results of PDP and EIS data.
| Electrolyte | Sample | Polarization fitting |
EIS fitting |
|||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Ecorr (VSCE) | icorr (μA cm−2) | Rs (Ω cm2) | Qp*10−7 (sn Ω cm−2) | n1 | Rp (Ω cm2) | Qct*10−6 (sn Ω−1 cm−2) | n2 | Rct (kΩ cm2) | ||
| α-MEM | Zn | −0.89 | 14.67 | 11.21 | 2.49 | 0.87 | 13.36 | 10.42 | 0.89 | 1.59 |
| ZnCu | −1.20 | 10.68 | 20.44 | 2.11 | 0.92 | 34.74 | 7.99 | 0.92 | 1.98 | |
| ZnCuFe (0.1) | −1.12 | 17.82 | 7.28 | 71.43 | 0.91 | 15.49 | 0.06 | 0.99 | 1.26 | |
| ZnCuFe (0.2) | −0.92 | 16.78 | 13.16 | 7.57 | 0.89 | 8.96 | 8.49 | 0.91 | 1.08 | |
| ZnCuFe (0.4) | −0.93 | 16.43 | 16.63 | 1.41 | 0.91 | 8.93 | 6.41 | 0.90 | 1.12 | |
| Artificial saliva | Zn | −0.93 | 2.68 | 80.42 | 14.52 | 0.98 | 248.54 | 19.57 | 0.56 | 2.71 |
| ZnCu | −0.94 | 1.99 | 46.77 | 0.39 | 0.99 | 471.63 | 4.63 | 0.82 | 3.44 | |
| ZnCuFe (0.1) | −0.87 | 2.38 | 68.26 | 12.69 | 0.97 | 383.98 | 6.64 | 0.75 | 2.52 | |
| ZnCuFe (0.2) | −0.89 | 3.02 | 45.96 | 0.92 | 0.98 | 330.75 | 2.86 | 0.86 | 1.92 | |
| ZnCuFe (0.4) | −0.91 | 5.29 | 50.59 | 131.26 | 0.63 | 373.02 | 0.63 | 0.93 | 1.32 | |