Electrochemistry Application — One-Step Solvothermal Synthesis of Raspberry-like NiCo-MOF for High-Performance Flexible Supercapacitors for a Wide Operation Temperature Range

5 measurement groups · 43 results

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

Two-electrode flexible asymmetric supercapacitor CV, GCD, EIS, Ragone, and 5000-cycle test

Impedance spectroscopy Voltammetry Galvanostatic cycling

NiCo-MOF-3//MnO2 flexible asymmetric supercapacitor · Electrode

NiCo-MOF-3//MnO2 quasi-solid-state FASC with PVA/KOH/K3[Fe(CN)6]/glycerin gel electrolyte; operating potential up to 1.6 V; CV 10-100 mV/s; GCD 1-20 A/g; EIS 10^-2 to 10^4 Hz.

Geometry: asymmetric two-electrode flexible supercapacitor
Context: composite application device with pristine NiCo-MOF-3 control established first
Measurement source: 15298 / p012 · 3.3 Electrochemical Performance of the Asymmetric Supercapacitor · Figure 10 and Tables 2-4

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
FASC specific capacitance at 1 A/gMarked as a best value within this paper	78.46 F/g	—	—	Table Exact Reported	15296 / p010 · Table 3 · Table 3
FASC specific capacitance at 20 A/g	53.88 F/g	—	—	Table Exact Reported	15296 / p010 · Table 3 · Table 3
Device Coulombic efficiency during cyclingMarked as a best value within this paper	98 to 100%	—	range 98-100%	Text Range	15298 / p012 · 3.3 Electrochemical Performance of the Asymmetric Supercapacitor · Figure 10h
Device capacitance retention after 5000 cycles	81%	—	—	Text Rounded Reported	15298 / p012 · 3.3 Electrochemical Performance of the Asymmetric Supercapacitor · Figure 10h
FASC energy density at 1 A/gMarked as a best value within this paper	66.30 Wh/kg	—	—	Table Exact Reported	15296 / p010 · Table 3 · Table 3
FASC energy density at 20 A/g	45.53 Wh/kg	—	—	Table Exact Reported	15296 / p010 · Table 3 · Table 3
FASC operating potentialMarked as a best value within this paper	1.6 V	—	—	Text Exact Reported	15298 / p012 · 3.3 Electrochemical Performance of the Asymmetric Supercapacitor · Figure 10a,b
FASC power density at 1 A/g	2339.9 W/kg	—	—	Table Exact Reported	15296 / p010 · Table 3 · Table 3
FASC maximum power densityMarked as a best value within this paper	12,047 W/kg	—	—	Table Exact Reported	15296 / p010 · Table 3 · Table 3
FASC R1 after cycling	1.242 ohm	—	—	Table Exact Reported	15296 / p010 · Table 2 · Table 2
FASC R1 before cycling	1.218 ohm	—	—	Table Exact Reported	15296 / p010 · Table 2 · Table 2
Negative electrode mass loading	1.11 mg/cm2	—	—	Text Exact Reported	15298 / p012 · 3.3 Electrochemical Performance of the Asymmetric Supercapacitor

Flexibility and operating-temperature CV/GCD tests

Voltammetry Galvanostatic cycling

NiCo-MOF-3//MnO2 flexible asymmetric supercapacitor · Electrode

Device tested at bending angles 0, 45, 90, and 135 deg and operating temperatures -20, 20, and 40 deg C.

Geometry: flexible asymmetric two-electrode device
Context: composite application device
Measurement source: 15299 / p013 · 3.3 Electrochemical Performance of the Asymmetric Supercapacitor · Figure 11

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Stable bending angles tested	0, 45, 90, and 135 deg	—	—	Text Qualitative	15299 / p013 · 3.3 Electrochemical Performance of the Asymmetric Supercapacitor · Figure 11a-c
Stable operating temperature range testedMarked as a best value within this paper	-20 to 40 deg C	—	range	Text Range	15299 / p013 · 3.3 Electrochemical Performance of the Asymmetric Supercapacitor · Figure 11d-f
Highly concentrated KOH ionic conductivity cited for gel electrolyte	66.8 mS/cm	—	—	Text Exact Reported	15299 / p013 · 3.3 Electrochemical Performance of the Asymmetric Supercapacitor

CV, GCD, and EIS of MnO2 negative electrode

Impedance spectroscopy Voltammetry Galvanostatic cycling

MnO2 negative electrode · Electrode

Independent MnO2 electrode in 3.0 M KOH; negative potential interval from -1.0 V to 0 V.

Geometry: three-electrode cell
Context: non-MOF negative electrode for device context
Measurement source: 15298 / p012 · 3.3 Electrochemical Performance of the Asymmetric Supercapacitor · Figure 8i-k

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
MnO2 negative electrode potential interval	-1.0 V to 0 V	—	range	Text Range	15298 / p012 · 3.3 Electrochemical Performance of the Asymmetric Supercapacitor · Figure 8i-k
MnO2 R2 fitted impedance	3.12 ohm	—	—	Table Exact Reported	15296 / p010 · Table 2 · Table 2

CV scan-rate series, GCD current series, EIS before/after cycling, 7000-cycle stability test

Impedance spectroscopy Voltammetry Galvanostatic cycling

NiCo-MOF-3 powder · Powder

CV at 5, 10, 20, 50, 100 mV/s; GCD at 1, 2, 5, 10 A/g; 7000 continuous charge-discharge cycles at 1 A/g.

Geometry: three-electrode cell
Context: pristine NiCo-MOF-3 active material
Measurement source: 15297 / p011 · 3.2 Electrochemical Performance of Electrodes · Figure 8

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
b-value for anode peak	0.609	—	—	Text Exact Reported	15298 / p012 · 3.2 Electrochemical Performance of Electrodes · Figure 8c
b-value for cathode peak	0.558	—	—	Text Exact Reported	15298 / p012 · 3.2 Electrochemical Performance of Electrodes · Figure 8c
Diffusion-controlled capacitance contribution at 100 mV/s	73%	—	—	Text Rounded Reported	15298 / p012 · 3.2 Electrochemical Performance of Electrodes · Figure 8d
Diffusion-controlled capacitance contribution at 5 mV/s	51%	—	—	Text Rounded Reported	15298 / p012 · 3.2 Electrochemical Performance of Electrodes · Figure 8d,e
R2 after cycling	6.24 ohm	—	—	Table Exact Reported	15296 / p010 · Table 2 · Table 2
Coulombic efficiency during 7000-cycle test	87-92%	—	range 87-92%	Text Range	15298 / p012 · 3.2 Electrochemical Performance of Electrodes · Figure 8h
Capacitance retention after 7000 cycles at 1 A/gMarked as a best value within this paper	89.7%	—	—	Text Exact Reported	15298 / p012 · 3.2 Electrochemical Performance of Electrodes · Figure 8g
Capacitance retention from 1 to 10 A/g	39% of the initial	—	—	Text Rounded Reported	15297 / p011 · 3.2 Electrochemical Performance of Electrodes · Figure 8b

Three-electrode CV, GCD, and EIS

Impedance spectroscopy Voltammetry Galvanostatic cycling

NiCo-MOF-3 powder · Powder

Working electrode prepared active material; Pt counter; Hg/HgO reference; 3.0 M KOH electrolyte; CV 0-0.42 V at 5 mV/s for comparison; GCD current density 1 A/g for specific capacitance.

Geometry: three-electrode cell
Context: pristine MOF powders evaluated as electrode active materials
Measurement source: 15295 / p009 · 3.2 Electrochemical Performance of Electrodes · Figure 7

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Specific capacitance at 1 A/g	134 F/g	—	—	Text Rounded Reported	15296 / p010 · 3.2 Electrochemical Performance of Electrodes · Figure 7d
Specific capacitance at 1 A/g	327 F/g	—	—	Text Rounded Reported	15296 / p010 · 3.2 Electrochemical Performance of Electrodes · Figure 7d
Specific capacitance at 1 A/g	379.5 F/g	—	—	Figure Axis Approximate	15293 / p007 · Figure 7 · Figure 7i
Specific capacitance at 1 A/g	294.3 F/g	—	—	Figure Axis Approximate	15293 / p007 · Figure 7 · Figure 7i
Specific capacitance at 1 A/gMarked as a best value within this paper	639.8 F/g	—	—	Text Exact Reported	15296 / p010 · 3.2 Electrochemical Performance of Electrodes · Figure 7d
Specific capacitance at 1 A/g	229 F/g	—	—	Figure Axis Approximate	15293 / p007 · Figure 7 · Figure 7i
Coulombic efficiency	91.11%	—	—	Text Exact Reported	15296 / p010 · 3.2 Electrochemical Performance of Electrodes · Figure 7d
Coulombic efficiency	92.23%	—	—	Text Exact Reported	15296 / p010 · 3.2 Electrochemical Performance of Electrodes · Figure 7d
Coulombic efficiencyMarked as a best value within this paper	93.23%	—	—	Text Exact Reported	15296 / p010 · 3.2 Electrochemical Performance of Electrodes · Figure 7d
R1 fitted impedance	0.744 ohm	—	—	Table Exact Reported	15293 / p007 · Table 1 · Table 1
R1 fitted impedance	0.74 ohm	—	—	Table Exact Reported	15293 / p007 · Table 1 · Table 1
R2 fitted impedance	0.073 ohm	—	—	Table Exact Reported	15293 / p007 · Table 1 · Table 1
R1 fitted impedanceMarked as a best value within this paper	0.776 ohm	—	—	Table Exact Reported	15293 / p007 · Table 1 · Table 1
R2 fitted impedanceMarked as a best value within this paper	0.086 ohm	—	—	Table Exact Reported	15293 / p007 · Table 1 · Table 1
Warburg element WOMarked as a best value within this paper	26.043	—	—	Table Exact Reported	15293 / p007 · Table 1 · Table 1
Electrode mass loading	1.72 mg/cm2	—	—	Text Exact Reported	15295 / p009 · 3.2 Electrochemical Performance of Electrodes
Electrode mass loading	1.58 mg/cm2	—	—	Text Exact Reported	15295 / p009 · 3.2 Electrochemical Performance of Electrodes
Electrode mass loading	2.23 mg/cm2	—	—	Text Exact Reported	15295 / p009 · 3.2 Electrochemical Performance of Electrodes