Measurement evidence
Unraveling the Electrical, Dielectric, and Electrocatalytic Properties of Bimetallic Cobalt-Based Metal–Organic Frameworks · Godara M., Chowdhury S., Cheng P. et al. · Advanced Energy and Sustainability Research · 2025 · 2300301
Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.
1:2 Mn:Co powder drop-cast on glassy carbon electrode · Electrode
EIS frequency range 100 mHz to 100 kHz; Nyquist plots for MOF electrodes.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Relative charge-transfer resistanceMarked as a best value within this paper | 1:2 Mn:Co exhibits the least charge transfer resistance | — | — | Qualitative Qualitative | main p.6 · OER Performance · Figure 5d |
1:2 Mn:Co powder drop-cast on glassy carbon electrode · Electrode
Three-electrode cell, 1 M KOH, MOF-coated GCE working electrode, Pt wire counter, Ag/AgCl reference, 1500 rpm, 0-0.8 V vs reference, 1 mV s^-1.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| OER overpotential at 10 mA cm^-2 for 1:2 Mn:CoMarked as a best value within this paper | 359 mV | — | — | Text Exact Reported | main p.5 · OER Performance · Figure 5a and Table 1 |
Co-BTC powder drop-cast on glassy carbon electrode · Electrode
Same three-electrode 1 M KOH protocol for Mn-BTC, Co-BTC, 1:1 Mn:Co, and 2:1 Mn:Co.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| OER overpotential at 10 mA cm^-2 for 1:1 Mn:Co | 398 mV | — | — | Text Exact Reported | main p.5 · OER Performance · Figure 5a |
| OER overpotential at 10 mA cm^-2 for 2:1 Mn:Co | 549 mV | — | — | Text Exact Reported | main p.5 · OER Performance · Figure 5a |
| OER overpotential at 10 mA cm^-2 for Co-BTC | 383 mV | — | — | Text Exact Reported | main p.5 · OER Performance · Figure 5a |
| OER overpotential at 10 mA cm^-2 for Mn-BTC | not reached; Mn-BTC struggled to reach 10 mA cm^-2 | — | — | Text Qualitative | main p.5 · OER Performance · Figure 5a |
1:2 Mn:Co MOF ink on carbon paper for OER stability · Electrode
Carbon paper working electrode, 1:2 Mn:Co ink, fixed current density 10 mA cm^-2 for 16 h.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Current decrease over OER stability test | about 19% decrease | — | about | Text Approximate | main p.6 · OER Performance · Figure S5 referenced |
| OER stability test duration | 16 h | — | — | Text Exact Reported | SI p.S7 · Supporting Information · Figure S5 |
1:2 Mn:Co powder drop-cast on glassy carbon electrode · Electrode
Linear fitting of Tafel plot straight segments; overpotential versus log current density.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Tafel slope for 1:1 Mn:Co | 120 mV dec^-1 | — | — | Text Exact Reported | main p.5 · OER Performance · Figure 5b |
| Tafel slope for 1:2 Mn:CoMarked as a best value within this paper | 71 mV dec^-1 | — | — | Text Exact Reported | main p.5 · OER Performance · Figure 5b and Table 1 |
| Tafel slope for 2:1 Mn:Co | 160 mV dec^-1 | — | — | Text Exact Reported | main p.5 · OER Performance · Figure 5b |
| Tafel slope for Co-BTC | 107 mV dec^-1 | — | — | Text Exact Reported | main p.5 · OER Performance · Figure 5b |
| Tafel slope for Mn-BTC | 216 mV dec^-1 | — | — | Text Exact Reported | main p.5 · OER Performance · Figure 5b |