Electrochemistry Application — Electrochemical investigation of copper 1D conductive polymer for hybrid supercapacitor applications

9 measurement groups · 36 results

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

Cyclic voltammetry, three-electrode

Voltammetry

Cu-PDA-MOF working electrode on nickel foam · Electrode

Origalys/OrigaFlex workstation; 1 M KOH electrolyte; scan rates 5-40 mV/s; potential window 0-0.7 V vs Ag/AgCl.

Geometry: three-electrode arrangement
Context: Cu-PDA-MOF working electrode with AC/PVDF additives on nickel foam
Measurement source: p004-p005 · 4.1.1 Cyclic voltammetry · Figure 4

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
cathodic b value	b = 0.74	—	—	Figure Axis Rounded Reported	p005 · 4.1.1 Cyclic voltammetry · Figure 4c
b value	approximately 0.62	—	approximately	Text Approximate	p004 · 4.1.1 Cyclic voltammetry · Figure 4c
CV potential window	0-0.7 V	—	—	Text Range	p004-p005 · 4.1.1 Cyclic voltammetry · Figure 4a
CV scan-rate range	5-40 mV/s	—	—	Text Range	p004 · 4.1.1 Cyclic voltammetry · Figure 4a
peak-current regression R2	R2 = 0.99 for anodic and cathodic fits	—	—	Figure Axis Rounded Reported	p005 · 4.1.1 Cyclic voltammetry · Figure 4b

Cyclic voltammetry, two-electrode hybrid device

Voltammetry

Cu-PDA-MOF//AC hybrid device · Electrode

Potential window 0-1.6 V; scan rates 5-100 mV/s.

Geometry: asymmetric two-electrode Cu-PDA-MOF//AC device
Context: hybrid composite device
Measurement source: p005-p007 · 4.2 Hybrid supercapacitor device performance · Figure 6a

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
hybrid CV potential window	0-1.6 V	—	—	Text Range	p005 · 4.2 Hybrid supercapacitor device performance · Figure 6a

Long-term GCD cycling

Galvanostatic cycling

Cu-PDA-MOF//AC hybrid device · Electrode

Capacity retention and coulombic efficiency over 5000 GCD cycles.

Geometry: asymmetric two-electrode Cu-PDA-MOF//AC device
Context: hybrid composite device
Measurement source: p005-p007 · 4.2 Hybrid supercapacitor device performance · Figure 6e

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
coulombic efficiency after cycling	104 %	—	—	Text Exact Reported	p005 · 4.2 Hybrid supercapacitor device performance · Figure 6e
cyclic stability after 5000 cyclesMarked as a best value within this paper	99.8 % after 5000 GCD cycles	—	—	Text Exact Reported	p005 · 4.2 Hybrid supercapacitor device performance · Figure 6e

Dunn's method capacitive/diffusive contribution analysis

Cu-PDA-MOF//AC hybrid device · Electrode

Current capacitive and diffusive contributions estimated at scan rates 5-100 mV/s using Eqs. (9) and (10).

Geometry: asymmetric two-electrode Cu-PDA-MOF//AC device
Context: hybrid composite device
Measurement source: p006-p008 · 4.2 Hybrid supercapacitor device performance · Figure 7

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
capacitive contribution at 100 mV/sMarked as a best value within this paper	66 %	—	—	Figure Axis Rounded Reported	p008 · 4.2 Hybrid supercapacitor device performance · Figure 7d
diffusive contribution at 100 mV/s	34 %	—	—	Figure Axis Rounded Reported	p008 · 4.2 Hybrid supercapacitor device performance · Figure 7d
capacitive contribution at 10 mV/s	38 %	—	—	Figure Axis Rounded Reported	p008 · 4.2 Hybrid supercapacitor device performance · Figure 7d
diffusive contribution at 10 mV/s	62 %	—	—	Figure Axis Rounded Reported	p008 · 4.2 Hybrid supercapacitor device performance · Figure 7d
capacitive contribution at 40 mV/s	55 %	—	—	Figure Axis Rounded Reported	p008 · 4.2 Hybrid supercapacitor device performance · Figure 7d
diffusive contribution at 40 mV/s	45 %	—	—	Figure Axis Rounded Reported	p008 · 4.2 Hybrid supercapacitor device performance · Figure 7d
capacitive contribution at 5 mV/s	30 %	—	—	Figure Axis Rounded Reported	p008 · 4.2 Hybrid supercapacitor device performance · Figure 7d
diffusive contribution at 5 mV/s	70 %	—	—	Figure Axis Rounded Reported	p008 · 4.2 Hybrid supercapacitor device performance · Figure 7d

Electrochemical impedance spectroscopy, Nyquist/circuit fitting

Impedance spectroscopy

Cu-PDA-MOF working electrode on nickel foam · Electrode

AC frequency range 0.1 Hz to 100 kHz.

Geometry: three-electrode electrochemical electrode
Context: Cu-PDA-MOF working electrode with AC/PVDF additives on nickel foam
Measurement source: p004-p006 · 4.1.3 Electro-impedance spectroscopy · Figure 5c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
equivalent series resistance	3.0 ohm	—	—	Text Exact Reported	p004 · 4.1.2 Galvanostatic charge/discharge measurement · Figure 5c
charge transfer resistance	3.45 ohm	—	—	Text Exact Reported	p004 · 4.1.2 Galvanostatic charge/discharge measurement · Figure 5c

Electrochemical impedance spectroscopy, hybrid device

Impedance spectroscopy

Cu-PDA-MOF//AC hybrid device · Electrode

AC frequency range 0.1-100 kHz; circuit fitting in Nyquist plot.

Geometry: asymmetric two-electrode Cu-PDA-MOF//AC device
Context: hybrid composite device
Measurement source: p005-p007 · 4.2 Hybrid supercapacitor device performance · Figure 6f

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
hybrid equivalent series resistance	4.0 ohm	—	—	Text Exact Reported	p005 · 4.2 Hybrid supercapacitor device performance · Figure 6f
hybrid charge transfer resistance	3.3 ohm	—	—	Text Exact Reported	p005 · 4.2 Hybrid supercapacitor device performance · Figure 6f

Galvanostatic charge-discharge, three-electrode

Galvanostatic cycling

Cu-PDA-MOF working electrode on nickel foam · Electrode

GCD at 0.5-5.0 A/g current densities; 0-0.525 V potential window.

Geometry: three-electrode arrangement
Context: Cu-PDA-MOF working electrode with AC/PVDF additives on nickel foam
Measurement source: p004-p006 · 4.1.2 Galvanostatic charge/discharge measurement · Figure 5a-b

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
GCD current-density range	0.5-5.0 A/g	—	—	Text Range	p004 · 4.1.2 Galvanostatic charge/discharge measurement · Figure 5a
GCD potential window	0-0.525 V	—	—	Text Range	p004 · 4.1.2 Galvanostatic charge/discharge measurement · Figure 5a
specific capacity at 1.0 A/g	about 234 C/g	—	visual estimate	Visual Estimate Approximate	p006 · 4.1.2 Galvanostatic charge/discharge measurement · Figure 5b
specific capacity at 1.5 A/g	about 158 C/g	—	visual estimate	Visual Estimate Approximate	p006 · 4.1.2 Galvanostatic charge/discharge measurement · Figure 5b
specific capacity at 2.0 A/g	about 129 C/g	—	visual estimate	Visual Estimate Approximate	p006 · 4.1.2 Galvanostatic charge/discharge measurement · Figure 5b
specific capacity at 0.5 A/gMarked as a best value within this paper	272.01 C/g	—	—	Text Exact Reported	p004 · 4.1.2 Galvanostatic charge/discharge measurement · Figure 5b

Galvanostatic charge-discharge, two-electrode hybrid device

Galvanostatic cycling

Cu-PDA-MOF//AC hybrid device · Electrode

GCD at 0.5-2 A/g in a 0-1.4 V potential window.

Geometry: asymmetric two-electrode Cu-PDA-MOF//AC device
Context: hybrid composite device
Measurement source: p005-p007 · 4.2 Hybrid supercapacitor device performance · Figure 6b-c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
hybrid GCD potential window	0-1.4 V	—	—	Text Range	p005 · 4.2 Hybrid supercapacitor device performance · Figure 6b
hybrid specific capacity at 0.75 A/g	about 111 C/g	—	visual estimate	Visual Estimate Approximate	p007 · 4.2 Hybrid supercapacitor device performance · Figure 6c
hybrid specific capacity at 1.0 A/g	about 90 C/g	—	visual estimate	Visual Estimate Approximate	p007 · 4.2 Hybrid supercapacitor device performance · Figure 6c
hybrid specific capacity at 2.0 A/g	about 60 C/g	—	visual estimate	Visual Estimate Approximate	p007 · 4.2 Hybrid supercapacitor device performance · Figure 6c
hybrid device specific capacityMarked as a best value within this paper	160.59 C/g	—	—	Text Exact Reported	p001 · Abstract · Table 1
Table 1 Cu-PDA-MOF specific capacity	160.59 C/g	—	—	Table Exact Reported	p008 · Table 1 · Table 1

Ragone analysis from GCD

Galvanostatic cycling

Cu-PDA-MOF//AC hybrid device · Electrode

Energy density and power density determined using Eqs. (7) and (8).

Geometry: asymmetric two-electrode Cu-PDA-MOF//AC device
Context: hybrid composite device
Measurement source: p005-p007 · 4.2 Hybrid supercapacitor device performance · Figure 6d

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
energy density at 1.0 A/g	about 17.5 Wh/kg	—	visual estimate	Visual Estimate Approximate	p007 · 4.2 Hybrid supercapacitor device performance · Figure 6d
maximum specific energy densityMarked as a best value within this paper	31.23 Wh/kg	—	—	Text Exact Reported	p005 · 4.2 Hybrid supercapacitor device performance · Figure 6d
power density at 1.0 A/g	about 700 W/kg	—	visual estimate	Visual Estimate Approximate	p007 · 4.2 Hybrid supercapacitor device performance · Figure 6d
specific power densityMarked as a best value within this paper	1400 W/kg	—	—	Text Exact Reported	p005 · 4.2 Hybrid supercapacitor device performance · Figure 6d