Table 1 The electrochemical performance parameters obtained from the EIS and CV based on various counter electrodes
CEs | Rs (Ω cm2) | Rct (Ω cm2) | Zw (Ω cm2) | |Ipc| (mA cm-2) | |Epp| (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 |