Spectroscopy — Conductive metal-organic frameworks with wheel-shaped metallomacrocycle subunits as high-performance supercapacitor electrodes

Measurement evidence

Spectroscopy

Conductive metal-organic frameworks with wheel-shaped metallomacrocycle subunits as high-performance supercapacitor electrodes · Yan Y., Lin X., Ge J. et al. · Chemical Engineering Journal · 2023 · 143739

2 measurement groups · 9 results

Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.

post-CV XPS, CV and in situ Raman during charge-discharge

Raman spectroscopy X-ray photoelectron spectroscopy Voltammetry Galvanostatic cycling

MWM-1 (Co/2Ni) composite working electrode · Electrode

XPS before/after 100 cycles of cyclic voltammetry; in situ Raman during charge/discharge

Atmosphere: 6 M KOH electrolyte
Geometry: electrochemical electrode
Context: target mixed-metal MOF electrode
Measurement source: 8 · Section 3.2 · Fig. 6

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
in situ Raman redox peak	455 cm-1	—	—	Text Exact Reported	8 · Section 3.2 · Fig. 6d
Co(III)/Co(II) area ratio after 100 CV cycles	0.526	—	—	Text Exact Reported	8 · Section 3.2 · Fig. 6b
Co(III)/Co(II) area ratio before CV cycling	0.519	—	—	Text Exact Reported	8 · Section 3.2 · Fig. 6b
Ni(II)/Ni(III) area ratio after 100 CV cycles	0.022	—	—	Text Exact Reported	8 · Section 3.2 · Fig. 6b
Ni(II)/Ni(III) area ratio before CV cycling	0.525	—	—	Text Exact Reported	8 · Section 3.2 · Fig. 6b

XPS and ICP-OES

X-ray photoelectron spectroscopy Bulk elemental and compositional analysis

MWM-1 (Co/2Ni) powder/crystals · Powder

XPS with mono Al Kalpha; ICP-OES for metal ratio

Geometry: powder
Context: pristine mixed-metal framework
Measurement source: 4 · Section 3.1 · Supplementary Fig. S1-S4

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ICP Co content, dry ash	9.66 wt%	—	—	SI Table Exact Reported	S1-S10 · Figure S4 table · Figure S4
ICP Ni content, dry ash	10.19 wt%	—	—	SI Table Exact Reported	S1-S10 · Figure S4 table · Figure S4
Ni:Co ratio	1:1	—	—	Text Rounded Reported	4 · Section 3.1 · Supplementary Fig. S4
XPS oxidation states	Co(III), Co(II), Ni(III), and Ni(II) present	—	—	Text Qualitative	4 · Section 3.1 · Supplementary Fig. S1-S3