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The electrochemical performance parameters obtained from the EIS and CV based on various counter electrodes
| CEs | R s (Ω cm 2) | R ct (Ω cm 2) | Z w (Ω cm 2) | |I pc| (mA cm -2) | |E pp| (V) |
|---|---|---|---|---|---|
| Pt/Ti | 5.02 ± 0.02 | 3.01 ± 0.02 | 0.62 ± 0.02 | 2.96 ± 0.01 | 0.50 ± 0.01 |
| NiS/Ti | 5.17 ± 0.02 | 3.10 ± 0.02 | 1.08 ± 0.02 | 2.88 ± 0.01 | 0.46 ± 0.01 |
| NiS/Pt/Ti | 4.87 ± 0.02 | 2.61 ± 0.02 | 0.33 ± 0.02 | 3.54 ± 0.01 | 0.33 ± 0.01 |
