Measurement evidence
Tri-Metallic Catalyst for Oxygen Evolution Reaction Enables Continuous Operation of Anion Exchange Membrane Electrolyzer at 1A cm−2 for Hundreds of Hours · Abdelhafiz A., Mohammed M.H., Abed J. et al. · Advanced Energy Materials · 2024 · 2303350
Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.
All synthesised MOF-74 analogues · Powder
Metal percentages in final MOF structures compared with precursor ratios; underlying Table S1 absent.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| ICP-MS metal-ratio agreement | final MOF metal percentages comparable to precursor ratios | — | — | Text Qualitative | 2 · 2.1 Synthesis and Structure |
Ni10Co45Fe45 MOF-74 used for in situ XAS/XPS · Powder
In situ XAS in 1 M KOH under dry/as-synthesised, OCP, 1.1 V vs RHE and 1.5 V vs RHE conditions; SI XANES reference captions specify Ni10Co45Fe45.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Co local compressive strain on OCP | approximately 0.13 A | — | — | Text Approximate | 7 · 2.3 Probing the Dynamic Chemical and Structural Perturbation Under OER Conditions · Figure 4b |
| Co-O EXAFS first peak dry | 1.542 A | — | — | Text Exact Reported | 7 · 2.3 Probing the Dynamic Chemical and Structural Perturbation Under OER Conditions · Figure 4b |
| Co-M-M distance at 1.5 V | 4.425 A | — | — | Text Exact Reported | 8 · 2.3 Probing the Dynamic Chemical and Structural Perturbation Under OER Conditions · Figure 4b |
| Co-O/Co-M EXAFS intensity ratio at 1.5 V | 1.3 | — | — | Text Exact Reported | 8 · 2.3 Probing the Dynamic Chemical and Structural Perturbation Under OER Conditions · Figure 4b |
| Co-O/Co-M EXAFS intensity ratio at OCP | 2.14 | — | — | Text Exact Reported | 8 · 2.3 Probing the Dynamic Chemical and Structural Perturbation Under OER Conditions · Figure 4b |
| Co-O EXAFS first peak OCP | 1.412 A | — | — | Text Exact Reported | 7 · 2.3 Probing the Dynamic Chemical and Structural Perturbation Under OER Conditions · Figure 4b |
| Ni-M distance compression at 1.5 V vs 1.1 V | 0.24 A | — | — | Text Exact Reported | 8 · 2.3 Probing the Dynamic Chemical and Structural Perturbation Under OER Conditions · Figure 4f |
| Ni-O distance compression at 1.5 V vs 1.1 V | 0.17 A | — | — | Text Exact Reported | 8 · 2.3 Probing the Dynamic Chemical and Structural Perturbation Under OER Conditions · Figure 4f |
| O 1s binding-energy reduction after 1.5 V treatment | approximately 0.5 eV | — | — | Text Approximate | 8 · 2.3 Probing the Dynamic Chemical and Structural Perturbation Under OER Conditions · Figure S11 |