Electrochemistry Application — Surface Structure Construction of Fibers in a Conductive Metal-Organic Framework/Metal/Cotton Electrode for Flexible Textile Supercapacitors

Measurement evidence

Electrochemistry Application

Surface Structure Construction of Fibers in a Conductive Metal-Organic Framework/Metal/Cotton Electrode for Flexible Textile Supercapacitors · Liu Y.-N., Feng L.-J., Bian S.-W. · ACS Applied Electronic Materials · 2022 · 4595-4604

7 measurement groups · 24 results

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

CV kinetic analysis using log(i)-log(v) and capacitive/diffusion partitioning

CPAMOF Cu-MOF/Au/cotton electrode · Electrode

CV curves analysed at scan rates from 1 to 100 mV s-1.

Geometry
Single CPAMOF textile electrode.
Context
Conductive-MOF composite target electrode.
Measurement source
4599 · Results and Discussion · Figure 5
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
CV kinetic b value, peak 10.648Text
Exact Reported
4599 · Results and Discussion · Figure 5a
CV kinetic b value, peak 20.625Text
Exact Reported
4599 · Results and Discussion · Figure 5a
Capacitive contribution at 1 mV s-111.2%Text
Exact Reported
4600 · Results and Discussion · Figure 5b
Capacitive contribution at 100 mV s-157.5%Text
Exact Reported
4600 · Results and Discussion · Figure 5c

Electrochemical impedance spectroscopy

CPAMOF Cu-MOF/Au/cotton electrode · Electrode

Impedance spectra compared for CPA and CPAMOF electrodes.

Geometry
Textile electrode in electrochemical cell.
Context
Target CPAMOF compared against CPA current collector.
Measurement source
4599 · Results and Discussion · Figure 4e
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
CPAMOF ESR relative to CPACPAMOF electrode exhibits a lower ESR than CPAQualitative
Qualitative
4599 · Results and Discussion · Figure 4e
CPAMOF charge-transfer resistancesmall depressed semicircle reveals low charge transfer resistanceQualitative
Qualitative
4599 · Results and Discussion · Figure 4e

CV during mechanical bending and twisting

CPAMOF Cu-MOF/Au/cotton electrode · Electrode

Bending: 100 cycles at 180 degrees; twisting: 0 to 45 degrees.

Geometry
Flexible textile electrode.
Context
Conductive-MOF composite target electrode.
Measurement source
4600 · Results and Discussion · Figure 6
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
CPAMOF electrode capacitance retention after bendingmore than 90% after 100 bending cycles at 180 degreeslower boundText
Approximate
4600 · Results and Discussion · Figure 6a,b
CPAMOF electrode capacitance retention under twistingmore than 95% under twisting from 0 to 45 degreeslower boundText
Approximate
4600 · Results and Discussion · Figure 6c,d

CV during device bending and twisting

Symmetrical all-solid-state TSC assembled from CPAMOF electrodes · Electrode

TSC bending: 200 cycles at 90 degrees; twisting: angles from 0 to 45 degrees.

Geometry
Flexible all-solid-state textile supercapacitor.
Context
Application device based on two CPAMOF electrodes.
Measurement source
4601 · Results and Discussion · Figure 8
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
TSC capacitance retention after bendinghigher than 84% after 200 bending cycles at 90 degreeslower boundText
Approximate
4601 · Results and Discussion · Figure 8b
TSC capacitance retention under twistingabove 92%lower boundText
Approximate
4602 · Results and Discussion · Figure 8d

Cyclic voltammetry and galvanostatic charge-discharge in a three-electrode system

CPAMOF Cu-MOF/Au/cotton electrode · Electrode

3 mol L-1 KCl aqueous electrolyte; CPAMOF working electrode, Ag/AgCl reference and Pt wire counter; CHI 660E workstation.

Geometry
Single CPAMOF textile electrode.
Context
Conductive-MOF composite target electrode.
Measurement source
4596 · 2.5 Electrochemical Measurements · Figure 4a-d
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Maximum CPAMOF areal capacitanceMarked as a best value within this paper129.2 mF cm-2 at 0.5 A g-1Text
Exact Reported
4598 · Results and Discussion · Figure 4c,d
Coulombic efficiency during cycling94%Text
Exact Reported
4599 · Results and Discussion · Figure 4f
CPAMOF CV scan-rate range2 to 100 mV s-1Text
Range
4598 · Results and Discussion · Figure 4a
CPAMOF capacitance retention after cycling83% within 3000 continuous charge/discharge cycles at 1.6 A g-1Text
Exact Reported
4599 · Results and Discussion · Figure 4f
Maximum CPAMOF gravimetric capacitanceMarked as a best value within this paper258 F g-1 at 0.5 A g-1Text
Exact Reported
4598 · Results and Discussion · Figure 4c
CPAMOF gravimetric capacitance at 10 A g-1about 74 F g-1visual estimate from Figure 4cFigure Axis
Approximate
4599 · Results and Discussion · Figure 4c
CPAMOF gravimetric capacitance at 1 A g-1about 172 F g-1visual estimate from Figure 4cFigure Axis
Approximate
4599 · Results and Discussion · Figure 4c

Series-connected device powering demonstration

Symmetrical all-solid-state TSC assembled from CPAMOF electrodes · Electrode

Three TSCs connected in series, charged for around 20 s, then used to power a calculator and red LED.

Geometry
Three TSC devices in series.
Context
Application demonstration.
Measurement source
4602 · Results and Discussion · Figure 9
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Calculator operation time powered by three TSCsnearly 2 min after around 20 s chargingnearlyText
Approximate
4602 · Results and Discussion · Figure 9b
Charging time before powering demonstrationaround 20 saroundText
Approximate
4602 · Results and Discussion · Figure 9b,c

Two-electrode CV, GCD and Ragone analysis

Symmetrical all-solid-state TSC assembled from CPAMOF electrodes · Electrode

Assembled symmetrical all-solid-state TSC tested in two-electrode configuration.

Geometry
Flexible all-solid-state textile supercapacitor.
Context
Application device based on two CPAMOF electrodes.
Measurement source
4600 · Results and Discussion · Figure 7
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Maximum TSC areal energy densityMarked as a best value within this paper434 uWh cm-2 at 12.5 mW cm-2Text
Exact Reported
4601 · Results and Discussion · Figure 7d
TSC areal energy density at high powerabout 235 uWh cm-2 at about 125 mW cm-2visual estimate from Ragone plotFigure Axis
Approximate
4601 · Results and Discussion · Figure 7d
TSC power density at maximum energy density12.5 mW cm-2Text
Exact Reported
4601 · Results and Discussion · Figure 7d
TSC specific capacitance at 0.1 A g-1Marked as a best value within this paper100.2 F g-1 at 0.1 A g-1Text
Exact Reported
4600 · Results and Discussion · Figure 7c
TSC specific capacitance at 1.0 A g-1about 54 F g-1visual estimate from Figure 7cFigure Axis
Approximate
4601 · Results and Discussion · Figure 7c