Electrochemistry Application

ZnCo-MOF-HMIM/Ni-foam working electrode · Electrode

Peak-current log(i) vs log(v) analysis for HMIM, BDC and ABDC electrodes.

Measurement source: 12 · 3.1.1 Three-electrode evaluation · Fig. 10f

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ZnCo-MOF-ABDC CV b-value	0.68	—	—	Text Exact Reported	12 · 3.1.1 Three-electrode evaluation · Fig. 10f
ZnCo-MOF-BDC CV b-value	0.64	—	—	Text Exact Reported	12 · 3.1.1 Three-electrode evaluation · Fig. 10f
ZnCo-MOF-HMIM CV b-value	0.67	—	—	Text Exact Reported	12 · 3.1.1 Three-electrode evaluation · Fig. 10f

Cyclic voltammetry (three-electrode)

ZnCo-MOF-ABDC/Ni-foam working electrode · Electrode

6 M KOH; Ag/AgCl reference, glassy carbon counter; 0.0-0.5 V; scan rates 5-100 mV s^-1; comparison at 10 mV s^-1.

Temperature: ambient
Geometry: three-electrode cell; Ni foam working electrode
Context: composite electrode containing MOF + acetylene black + PVDF
Measurement source: 3 · 2.5 Electrochemical characterization / 3.1.1 · Fig. 10a, Fig. 11a

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source

Cyclic voltammetry (three-electrode)

ZnCo-MOF-BDC/Ni-foam working electrode · Electrode

6 M KOH; Ag/AgCl reference, glassy carbon counter; 0.0-0.5 V; scan rates 5-100 mV s^-1; comparison at 10 mV s^-1.

Temperature: ambient
Geometry: three-electrode cell; Ni foam working electrode
Context: composite electrode containing MOF + acetylene black + PVDF
Measurement source: 3 · 2.5 Electrochemical characterization / 3.1.1 · Fig. 10a, Fig. 11a

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source

Cyclic voltammetry (three-electrode)

ZnCo-MOF-HMIM/Ni-foam working electrode · Electrode

6 M KOH; Ag/AgCl reference, glassy carbon counter; 0.0-0.5 V; scan rates 5-100 mV s^-1; comparison at 10 mV s^-1.

Temperature: ambient
Geometry: three-electrode cell; Ni foam working electrode
Context: composite electrode containing MOF + acetylene black + PVDF
Measurement source: 3 · 2.5 Electrochemical characterization / 3.1.1 · Fig. 10a, Fig. 11a

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ZnCo-MOF-HMIM relative CV areaMarked as a best value within this paper	biggest CV curve area among the three ZnCo-MOF electrodes	—	—	Text Qualitative	11 · 3.1.1 Three-electrode evaluation · Fig. 10a

GCD cycling stability (three-electrode)

ZnCo-MOF-ABDC/Ni-foam working electrode · Electrode

5000 cycles at 10 A g^-1 in 6 M KOH.

Geometry: three-electrode cell; Ni foam working electrode
Context: composite electrode containing MOF + acetylene black + PVDF
Measurement source: 11 · 3.1.1 Three-electrode evaluation · Fig. 10e; Table 1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ZnCo-MOF-ABDC capacity retention after 5000 cycles	77.9% at 10 A g^-1 after 5000 cycles	—	—	Text Exact Reported	11 · 3.1.1 Three-electrode evaluation · Fig. 10e; Table 1

GCD cycling stability (three-electrode)

ZnCo-MOF-BDC/Ni-foam working electrode · Electrode

5000 cycles at 10 A g^-1 in 6 M KOH.

Geometry: three-electrode cell; Ni foam working electrode
Context: composite electrode containing MOF + acetylene black + PVDF
Measurement source: 11 · 3.1.1 Three-electrode evaluation · Fig. 10e; Table 1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ZnCo-MOF-BDC capacity retention after 5000 cycles	70.1% at 10 A g^-1 after 5000 cycles	—	—	Text Exact Reported	11 · 3.1.1 Three-electrode evaluation · Fig. 10e; Table 1

GCD cycling stability (three-electrode)

Voltammetry Galvanostatic cycling

ZnCo-MOF-HMIM/Ni-foam working electrode · Electrode

5000 cycles at 10 A g^-1 in 6 M KOH.

Geometry: three-electrode cell; Ni foam working electrode
Context: composite electrode containing MOF + acetylene black + PVDF
Measurement source: 11 · 3.1.1 Three-electrode evaluation · Fig. 10e; Table 1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ZnCo-MOF-HMIM capacity retention after 5000 cyclesMarked as a best value within this paper	87.5% at 10 A g^-1 after 5000 cycles	—	—	Text Exact Reported	11 · 3.1.1 Three-electrode evaluation · Fig. 10e; Table 1

Bode plot and capacitance-frequency analysis

ZnCo-MOF-HMIM//AC asymmetric two-electrode device · Electrode

Phase angle and relaxation time from Bode/real-imaginary capacitance plots.

Measurement source: 15 · 3.1.2 Two-electrode measurement · Fig. 14e,f

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Device low-frequency phase angle	-73 degrees	—	—	Text Rounded Reported	15 · 3.1.2 Two-electrode measurement · Fig. 14e
Device relaxation frequency	0.07 Hz	—	—	Text Exact Reported	15 · 3.1.2 Two-electrode measurement · Fig. 14f
Device relaxation time	2.4 s	—	—	Text Exact Reported	15 · 3.1.2 Two-electrode measurement · Fig. 14f

Two-electrode CV and GCD

ZnCo-MOF-HMIM//AC asymmetric two-electrode device · Electrode

6 M KOH; CV up to 100 mV s^-1 over 0-1.6 V; GCD from 1 to 10 A g^-1.

Measurement source: 13 · 3.1.2 Two-electrode measurement · Fig. 13a-c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ZnCo-MOF-HMIM//AC specific capacity at 1 A g^-1	27.4 mA h g^-1	—	—	Text Exact Reported	13 · 3.1.2 Two-electrode measurement · Fig. 13c
ZnCo-MOF-HMIM//AC rate capability at 10 A g^-1	49% of 1 A g^-1 capacity	—	—	Text Exact Reported	13 · 3.1.2 Two-electrode measurement · Fig. 13c

Two-electrode cycling stability

ZnCo-MOF-HMIM//AC asymmetric two-electrode device · Electrode

10000 GCD cycles at 10 A g^-1; coulombic efficiency and capacity retention.

Measurement source: 15 · 3.1.2 Two-electrode measurement · Fig. 14b-d

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Device capacity retention after 10000 cycles	80.0% at 10 A g^-1 after 10000 GCD cycles	—	—	Text Exact Reported	15 · 3.1.2 Two-electrode measurement · Fig. 14b
Device coulombic efficiency after 10000 cycles	98.4% at 10 A g^-1 after 10000 GCD cycles	—	—	Text Exact Reported	15 · 3.1.2 Two-electrode measurement · Fig. 14b

Two-electrode EIS/Nyquist fitting

ZnCo-MOF-HMIM//AC asymmetric two-electrode device · Electrode

Experimental and equivalent-circuit fitted Nyquist plot of ZnCo-MOF-HMIM//AC device.

Measurement source: 14 · 3.1.2 Two-electrode measurement · Fig. 13d

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Device experimental ESR	0.275 ohm	—	—	Text Exact Reported	14 · 3.1.2 Two-electrode measurement · Fig. 13d
Device fitted ESR	0.278 ohm	—	—	Text Exact Reported	14 · 3.1.2 Two-electrode measurement · Fig. 13d
Device charge-transfer resistance Rct	2.9 ohm	—	—	Text Exact Reported	14 · 3.1.2 Two-electrode measurement · Fig. 13d

Ragone analysis / energy and power calculation

ZnCo-MOF-HMIM//AC asymmetric two-electrode device · Electrode

Specific energy and power calculated from GCD curves; Table 2 comparison.

Measurement source: 15 · 3.1.2 Two-electrode measurement · Fig. 14a; Table 2

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ZnCo-MOF-HMIM//AC cell potential	1.6 V	—	—	Table Exact Reported	15 · 3.1.2 Two-electrode measurement · Table 2
ZnCo-MOF-HMIM//AC specific energyMarked as a best value within this paper	28.2 W h kg^-1	—	—	Table Exact Reported	15 · 3.1.2 Two-electrode measurement · Table 2
ZnCo-MOF-HMIM//AC specific power	1025.4 W kg^-1	—	—	Table Exact Reported	15 · 3.1.2 Two-electrode measurement · Table 2

Electrode mass balancing

ZnCo-MOF-HMIM//AC asymmetric two-electrode device · Electrode

Mass ratio from equation (8), coated mass loading for asymmetric device.

Measurement source: 13 · 3.1.2 Two-electrode measurement

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Device m-/m+ mass ratio	4:1	—	—	Text Exact Reported	13 · 3.1.2 Two-electrode measurement
Device negative electrode coated mass	3.2 mg cm^-2	—	—	Text Exact Reported	13 · 3.1.2 Two-electrode measurement
Device positive electrode coated mass	0.8 mg cm^-2	—	—	Text Exact Reported	13 · 3.1.2 Two-electrode measurement
Device total electrode mass	4.0 mg cm^-2	—	—	Text Exact Reported	13 · 3.1.2 Two-electrode measurement

Dunn method current separation

ZnCo-MOF-HMIM/Ni-foam working electrode · Electrode

Surface-controlled and diffusion-controlled contributions for ZnCo-MOF-HMIM at scan rates 5, 50 and 100 mV s^-1.

Measurement source: 12 · 3.1.1 Three-electrode evaluation · Fig. 12

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ZnCo-MOF-HMIM diffusion-controlled contribution at 100 mV s^-1	49%	—	—	Text Exact Reported	12 · 3.1.1 Three-electrode evaluation · Fig. 12
ZnCo-MOF-HMIM diffusion-controlled contribution at 50 mV s^-1	58%	—	—	Figure Axis Rounded Reported	12 · 3.1.1 Three-electrode evaluation · Fig. 12
ZnCo-MOF-HMIM diffusion-controlled contribution at 5 mV s^-1	81%	—	—	Text Exact Reported	12 · 3.1.1 Three-electrode evaluation · Fig. 12
ZnCo-MOF-HMIM surface-controlled contribution at 100 mV s^-1	51%	—	—	Text Exact Reported	12 · 3.1.1 Three-electrode evaluation · Fig. 12
ZnCo-MOF-HMIM surface-controlled contribution at 50 mV s^-1	42%	—	—	Figure Axis Rounded Reported	12 · 3.1.1 Three-electrode evaluation · Fig. 12
ZnCo-MOF-HMIM surface-controlled contribution at 5 mV s^-1	19%	—	—	Text Exact Reported	12 · 3.1.1 Three-electrode evaluation · Fig. 12

Electrochemical impedance spectroscopy (EIS, Nyquist)

ZnCo-MOF-ABDC/Ni-foam working electrode · Electrode

6 M KOH; 100 kHz to 0.01 Hz at open-circuit potential.

Temperature: ambient
Geometry: three-electrode cell; Ni foam working electrode
Context: composite electrode containing MOF + acetylene black + PVDF
Measurement source: 3 · 2.5 Electrochemical characterization / 3.1.1 · Fig. 10d

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ZnCo-MOF-ABDC ESR	0.32 ohm	—	—	Text Exact Reported	11 · 3.1.1 Three-electrode evaluation · Fig. 10d
ZnCo-MOF-ABDC charge-transfer resistance Rct	1.67 ohm	—	—	Text Exact Reported	11 · 3.1.1 Three-electrode evaluation · Fig. 10d

Electrochemical impedance spectroscopy (EIS, Nyquist)

ZnCo-MOF-BDC/Ni-foam working electrode · Electrode

6 M KOH; 100 kHz to 0.01 Hz at open-circuit potential.

Temperature: ambient
Geometry: three-electrode cell; Ni foam working electrode
Context: composite electrode containing MOF + acetylene black + PVDF
Measurement source: 3 · 2.5 Electrochemical characterization / 3.1.1 · Fig. 10d

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ZnCo-MOF-BDC ESR	0.37 ohm	—	—	Text Exact Reported	11 · 3.1.1 Three-electrode evaluation · Fig. 10d
ZnCo-MOF-BDC charge-transfer resistance Rct	1.51 ohm	—	—	Text Exact Reported	11 · 3.1.1 Three-electrode evaluation · Fig. 10d

Electrochemical impedance spectroscopy (EIS, Nyquist)

ZnCo-MOF-HMIM/Ni-foam working electrode · Electrode

6 M KOH; 100 kHz to 0.01 Hz at open-circuit potential.

Temperature: ambient
Geometry: three-electrode cell; Ni foam working electrode
Context: composite electrode containing MOF + acetylene black + PVDF
Measurement source: 3 · 2.5 Electrochemical characterization / 3.1.1 · Fig. 10d

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ZnCo-MOF-HMIM ESRMarked as a best value within this paper	0.26 ohm	—	—	Text Exact Reported	11 · 3.1.1 Three-electrode evaluation · Fig. 10d
ZnCo-MOF-HMIM charge-transfer resistance RctMarked as a best value within this paper	1.48 ohm	—	—	Text Exact Reported	11 · 3.1.1 Three-electrode evaluation · Fig. 10d

Galvanostatic charge-discharge (three-electrode)

ZnCo-MOF-ABDC/Ni-foam working electrode · Electrode

6 M KOH; 0.0-0.4 V; specific currents 1-10 A g^-1.

Temperature: ambient
Geometry: three-electrode cell; Ni foam working electrode
Context: composite electrode containing MOF + acetylene black + PVDF
Measurement source: 3 · 2.5 Electrochemical characterization / 3.1.1 · Fig. 10b,c; Table 1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ZnCo-MOF-ABDC specific capacity at 1 A g^-1	102.6 mA h g^-1 at 1 A g^-1	—	—	Text Exact Reported	11 · 3.1.1 Three-electrode evaluation · Fig. 10b,c; Table 1

Galvanostatic charge-discharge (three-electrode)

ZnCo-MOF-BDC/Ni-foam working electrode · Electrode

6 M KOH; 0.0-0.4 V; specific currents 1-10 A g^-1.

Temperature: ambient
Geometry: three-electrode cell; Ni foam working electrode
Context: composite electrode containing MOF + acetylene black + PVDF
Measurement source: 3 · 2.5 Electrochemical characterization / 3.1.1 · Fig. 10b,c; Table 1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ZnCo-MOF-BDC specific capacity at 1 A g^-1	66.7 mA h g^-1 at 1 A g^-1	—	—	Text Exact Reported	11 · 3.1.1 Three-electrode evaluation · Fig. 10b,c; Table 1

Galvanostatic charge-discharge (three-electrode)