Electrochemistry Application — Hierarchical 3D micro-nanostructures based on in situ deposited bimetallic metal-organic structures on carbon fabric for supercapacitor applications

5 measurement groups · 21 results

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

Cyclic voltammetry in three-electrode cell

Voltammetry

NZMF powder drop-cast on carbon fabric · Electrode

1 M KOH, Ag/AgCl reference, Pt mesh counter; -0.3 to 0.3 V vs Ag/AgCl; scan rates reported as 2-200 mV s^-1 in main text and 2-150 mV s^-1 in SI.

Geometry: NZMF powder drop-cast on CF control electrode
Context: pristine MOF active material on CF current collector
Measurement source: p008-p009 / article pp6038-6039 · Results and discussion · Figure 11A,C,E

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
NZMF CV-derived specific capacitance	179.26 F g^-1 @ 2 mV s^-1	—	—	Text Exact Reported	p008 / article p6038 · Results and discussion · Figure 11E
NZMF b value peak 1	0.67	—	—	Text Exact Reported	p008 / article p6038 · Results and discussion · Figure 11C
NZMF b value peak 2	0.79	—	—	Text Exact Reported	p008 / article p6038 · Results and discussion · Figure 11C

Cyclic voltammetry in three-electrode cell

Voltammetry

in situ NZMF/CF · Electrode

1 M KOH, -0.3 to 0.3 V vs Ag/AgCl, multiple scan rates; binder-free in situ electrode.

Geometry: NZMF/CF binder-free electrode
Context: composite target
Measurement source: p008-p009 / article pp6038-6039 · Results and discussion · Figure 11B,D,E

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
NZMF/CF CV-derived specific capacitanceMarked as a best value within this paper	412.22 F g^-1 @ 2 mV s^-1	—	—	Text Exact Reported	p008 / article p6038 · Results and discussion · Figure 11E
NZMF/CF b value peak 1	0.51	—	—	Text Exact Reported	p008 / article p6038 · Results and discussion · Figure 11D
NZMF/CF b value peak 2	0.58	—	—	Text Exact Reported	p008 / article p6038 · Results and discussion · Figure 11D

Asymmetric supercapacitor device CV, GCD, EIS, Ragone and cycling tests

Impedance spectroscopy Voltammetry Galvanostatic cycling

SC-ASD NZMF/CF//AC/CF device · Electrode

PVA/KOH gel electrolyte; CV windows 0.4-2.0 V and device working window 1.5 V; GCD at current densities including 1.1-8.8 A g^-1; energy/power calculated by SI Eqs. (2)-(3).

Geometry: NZMF/CF//AC/CF split-cell asymmetric device
Context: application device
Measurement source: p010-p012 / article pp6040-6042 · Results and discussion · Figures 13-14

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
SC-ASD specific capacitanceMarked as a best value within this paper	71.67 F g^-1 at 1 A g^-1 (also conclusion states 1.1 A g^-1)	—	—	Text Exact Reported	p010-p012 / article pp6040-6042 · Results and discussion; Conclusion · Figure 13D
SC-ASD cycling current density	8.8 A g^-1	—	—	Text Exact Reported	p011 / article p6041 · Results and discussion · Figure 14D
SC-ASD capacitance retention after 1000 cyclesMarked as a best value within this paper	93.69% after 1000 cycles at 8.8 A g^-1	—	—	Text Exact Reported	p011-p012 / article pp6041-6042 · Results and discussion; Conclusion · Figure 14D
SC-ASD energy density at power densityMarked as a best value within this paper	22.39 Wh kg^-1 at 1650 W kg^-1	—	—	Text Exact Reported	p010 / article p6040 · Results and discussion · Figure 14B-C
SC-ASD energy density at high power	4.07 Wh kg^-1 at 13200 W kg^-1	—	—	Text Exact Reported	p010 / article p6040 · Results and discussion · Figure 14B-C
SC-ASD high power density	13200 W kg^-1	—	—	Text Rounded Reported	p010 / article p6040 · Results and discussion · Figure 14B-C
SC-ASD power density at best reported energy	1650 W kg^-1	—	—	Text Rounded Reported	p010 / article p6040 · Results and discussion · Figure 14B-C
SC-ASD working voltage	1.5 V	—	—	Text Rounded Reported	p010 / article p6040 · Results and discussion · Figure 13B
device energy density calculation equation	Ed = 1/2 [Cs (Vf - Vi)^2 / 3.6]	—	—	Text Exact Reported	p003 · 1.4 Preparation of gel electrolyte (PVA/KOH) · Eq. (2)
device power density calculation equation	Pd = 3600 x Ed / Delta t	—	—	Text Exact Reported	p003 · 1.4 Preparation of gel electrolyte (PVA/KOH) · Eq. (3)

Galvanostatic charge-discharge

Galvanostatic cycling

NZMF powder drop-cast on carbon fabric · Electrode

1 M KOH, -0.3 to 0.3 V vs Ag/AgCl, current densities 1-6 A g^-1.

Geometry: NZMF powder drop-cast on CF control electrode
Context: pristine MOF active material control
Measurement source: p010 / article p6040 · Results and discussion · Figure 12A,C

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
NZMF GCD specific capacitance	273.33 F g^-1 at 1 A g^-1	—	—	Text Exact Reported	p008 / article p6038 · Results and discussion · Figure 12C

Galvanostatic charge-discharge

Galvanostatic cycling

in situ NZMF/CF · Electrode

1 M KOH, -0.3 to 0.3 V vs Ag/AgCl, current densities 1-6 A g^-1.

Geometry: NZMF/CF binder-free electrode
Context: composite target
Measurement source: p008-p010 / article pp6038-6040 · Results and discussion · Figure 12B-D

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
NZMF/CF Coulombic efficiency after cyclingMarked as a best value within this paper	about 98.01%	—	—	Text Rounded Reported	p009 / article p6039 · Results and discussion · Figure 12D
NZMF/CF capacitance retention after 1000 cycles	about 79.36% after more than 1000 cycles	—	—	Text Rounded Reported	p009 / article p6039 · Results and discussion · Figure 12D
NZMF/CF GCD specific capacitanceMarked as a best value within this paper	311.11 F g^-1 at 1 A g^-1	—	—	Text Exact Reported	p008 / article p6038 · Results and discussion · Figure 12C
specific capacitance calculation equation	C = (Delta t)(I) / (m Delta V)	—	—	Text Exact Reported	p002 · 1.4 Preparation of gel electrolyte (PVA/KOH) · Eq. (1)