ECSA by CV double-layer capacitance and EIS Nyquist charge-transfer resistance
hollow Zn0.30Co2.70S4 · Powder
CV non-Faradaic overpotentials 0.1-0.2 V vs RHE in 0.5 M H2SO4 at 10-50 mV s-1; EIS 100 kHz-0.1 Hz fitted to simplified Randles circuit.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Co3S4 electrochemical double-layer capacitance proxy | 32.5 mF cm-2 | — | — | Text Exact Reported | 1363 · 3.3 · Figure S13a |
| Zn0.30Co2.70S4 electrochemical double-layer capacitance proxyMarked as a best value within this paper | 46.9 mF cm-2 | — | — | Text Exact Reported | 1363 · 3.3 · Figure S13a |
| Co3S4 charge-transfer resistance | 66.1 Ohm | — | — | Text Exact Reported | 1363 · 3.4 · Figure S13b |
| Zn0.30Co2.70S4 charge-transfer resistanceMarked as a best value within this paper | 3.7 Ohm | — | — | Text Exact Reported | 1363 · 3.4 · Figure S13b |