Electrochemistry Application — Electrochemical Capacitance Traces with Interlayer Spacing in Two-dimensional Conductive Metal–Organic Frameworks

12 measurement groups · 20 results

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

cyclic voltammetry

Voltammetry

Bu-MOF 9:1 c-MOF/carbon electrode · Electrode

Three-electrode Swagelok cell; c-MOF/conductive carbon 9:1 on Ni foam; activated carbon counter; Ag-wire pseudo-reference; 1 M LiTFSI in ACN; capacitance from CV scans.

Atmosphere: not specified
Geometry: three-electrode cell
Context: MOF/carbon composite electrode
Measurement source: 4 · Electrochemical characterization

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
log fit intercept	1.93 mA	—	—	SI Table Exact Reported	15 · b-Value analysis · Table S3
b-value slope from log(scan rate) vs log(peak current)	0.601	—	—	SI Table Exact Reported	15 · b-Value analysis · Table S3
gravimetric specific capacitance at 5 mV/sMarked as a best value within this paper	about 191 F/g	—	—	Visual Estimate Approximate	13 · Gravimetric capacitance · Figure S7
molar specific capacitance at 5 mV/sMarked as a best value within this paper	0.13 MF/mol at 5 mV/s	—	—	Figure Axis Rounded Reported	3 · Electrochemical characterization · Figure 2c

electrochemical impedance spectroscopy

Impedance spectroscopy

Bu-MOF 9:1 c-MOF/carbon electrode · Electrode

Three-electrode EIS at applied potentials; multi-sinusoidal 100 mV amplitude, 10 mHz-500 kHz in SI methods; Nyquist and Bode-style projections analysed.

Geometry: three-electrode cell
Context: MOF/carbon composite electrode
Measurement source: 4 · Electrochemical characterization · Figure S10

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source

Bode-style EIS projection

Impedance spectroscopy

exfoliated Bu-MOF 9:1 electrode · Electrode

Exfoliated Bu-MOF electrode with same composition as bulk electrode; frequency and voltage dependence of normalised real capacitance.

Geometry: three-electrode cell
Context: exfoliated MOF/carbon composite electrode
Measurement source: 5 · Exfoliation EIS · Figure 5

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
voltage dependence of real capacitance	higher voltage dependence across a wider frequency range	—	—	Qualitative Qualitative	4 · Exfoliation EIS · Figure 5

cyclic voltammetry

Voltammetry

Et-MOF 9:1 c-MOF/carbon electrode · Electrode

Three-electrode Swagelok cell; c-MOF/conductive carbon 9:1 on Ni foam; activated carbon counter; Ag-wire pseudo-reference; 1 M LiTFSI in ACN; capacitance from CV scans.

Atmosphere: not specified
Geometry: three-electrode cell
Context: MOF/carbon composite electrode
Measurement source: 4 · Electrochemical characterization

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
log fit intercept	2.11 mA	—	—	SI Table Exact Reported	15 · b-Value analysis · Table S3
b-value slope from log(scan rate) vs log(peak current)	0.624	—	—	SI Table Exact Reported	15 · b-Value analysis · Table S3
gravimetric specific capacitance at 5 mV/s	about 156 F/g	—	—	Visual Estimate Approximate	13 · Gravimetric capacitance · Figure S7
molar specific capacitance at 5 mV/s	0.093 MF/mol at 5 mV/s	—	—	Figure Axis Approximate	3 · Electrochemical characterization · Figure 2c

electrochemical impedance spectroscopy

Impedance spectroscopy

Et-MOF 9:1 c-MOF/carbon electrode · Electrode

Three-electrode EIS at applied potentials; multi-sinusoidal 100 mV amplitude, 10 mHz-500 kHz in SI methods; Nyquist and Bode-style projections analysed.

Geometry: three-electrode cell
Context: MOF/carbon composite electrode
Measurement source: 4 · Electrochemical characterization · Figure S10

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source

cyclic voltammetry

Voltammetry

H-MOF 9:1 c-MOF/carbon electrode · Electrode

Three-electrode Swagelok cell; c-MOF/conductive carbon 9:1 on Ni foam; activated carbon counter; Ag-wire pseudo-reference; 1 M LiTFSI in ACN; capacitance from CV scans.

Atmosphere: not specified
Geometry: three-electrode cell
Context: MOF/carbon composite electrode
Measurement source: 4 · Electrochemical characterization

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
log fit intercept	2.07 mA	—	—	SI Table Exact Reported	15 · b-Value analysis · Table S3
b-value slope from log(scan rate) vs log(peak current)	0.692	—	—	SI Table Exact Reported	15 · b-Value analysis · Table S3
gravimetric specific capacitance at 5 mV/s	about 152 F/g	—	—	Visual Estimate Approximate	13 · Gravimetric capacitance · Figure S7
molar specific capacitance at 5 mV/s	0.078 MF/mol at 5 mV/s	—	—	Figure Axis Approximate	3 · Electrochemical characterization · Figure 2c

electrochemical impedance spectroscopy

Impedance spectroscopy

H-MOF 9:1 c-MOF/carbon electrode · Electrode

Three-electrode EIS at applied potentials; multi-sinusoidal 100 mV amplitude, 10 mHz-500 kHz in SI methods; Nyquist and Bode-style projections analysed.

Geometry: three-electrode cell
Context: MOF/carbon composite electrode
Measurement source: 4 · Electrochemical characterization · Figure S10

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source

cyclic voltammetry

Voltammetry

Pent-MOF 9:1 c-MOF/carbon electrode · Electrode

Three-electrode Swagelok cell; c-MOF/conductive carbon 9:1 on Ni foam; activated carbon counter; Ag-wire pseudo-reference; 1 M LiTFSI in ACN; capacitance from CV scans.

Atmosphere: not specified
Geometry: three-electrode cell
Context: MOF/carbon composite electrode
Measurement source: 4 · Electrochemical characterization

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
log fit intercept	1.7 mA	—	—	SI Table Exact Reported	15 · b-Value analysis · Table S3
b-value slope from log(scan rate) vs log(peak current)	0.506	—	—	SI Table Exact Reported	15 · b-Value analysis · Table S3
gravimetric specific capacitance at 5 mV/s	about 126 F/g	—	—	Visual Estimate Approximate	13 · Gravimetric capacitance · Figure S7
molar specific capacitance at 5 mV/s	0.091 MF/mol at 5 mV/s	—	—	Figure Axis Approximate	3 · Electrochemical characterization · Figure 2c

electrochemical impedance spectroscopy

Impedance spectroscopy

Pent-MOF 9:1 c-MOF/carbon electrode · Electrode

Three-electrode EIS at applied potentials; multi-sinusoidal 100 mV amplitude, 10 mHz-500 kHz in SI methods; Nyquist and Bode-style projections analysed.

Geometry: three-electrode cell
Context: MOF/carbon composite electrode
Measurement source: 4 · Electrochemical characterization · Figure S10

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source

Bode-style EIS projection

Impedance spectroscopy

exfoliated Pent-MOF 9:1 electrode · Electrode

Exfoliated Pent-MOF; frequency and voltage dependence of normalised real capacitance.

Geometry: three-electrode cell
Context: exfoliated MOF/carbon composite electrode
Measurement source: 20 · Bode plot of exfoliated Pent-MOF · Figure S14

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
exfoliated Pent-MOF EIS behaviour	mimics exfoliated Bu-MOF	—	—	Qualitative Qualitative	4 · Exfoliation EIS · Figure S14

EIS / Nyquist comparison

Impedance spectroscopy

H-/Et-/Bu-/Pent-MOF electrochemical electrode series · Electrode

Nyquist plots for the four materials; equivalent series resistance and semicircle/tail trends compared.

Geometry: three-electrode cell
Context: MOF/carbon composite electrodes
Measurement source: 3 · Electrochemical impedance spectroscopy · Figure 3c,d; Figure S10

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
equivalent series resistance range	1-2 Ohm	—	reported range: 1-2 Ohm	Text Range	3 · Electrochemical impedance spectroscopy · Figure S10

extended-window cyclic voltammetry

Voltammetry

H-/Et-/Bu-/Pent-MOF electrochemical electrode series · Electrode

CV sweeps from 0.2 to -0.4 V at 5 mV/s compared for H-, Et-, Bu-, and Pent-MOF electrodes.

Geometry: three-electrode cell
Context: MOF/carbon composite electrodes
Measurement source: 4 · Electrochemical characterization · Figure 3b; Figure S8

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
broad faradaic feature position	around -0.1 V for alkylated frameworks	—	—	Text Approximate	4 · Electrochemical characterization · Figure 3b