Electrochemistry Application — A tribenzocoronene-based 2D conductive metal-organic framework for efficient energy storage

8 measurement groups · 59 results

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

6OH-TBC ligand CV/GCD/EIS/cycling control

Impedance spectroscopy Voltammetry Galvanostatic cycling

6OH-TBC ligand control electrode · Electrode

Control electrochemical performance of ligand; CV at 2 mV s-1; GCD at 1.0 A g-1; cycling at 5 A g-1

Atmosphere: aqueous electrolyte, likely same 0.1 M H2SO4
Geometry: control electrode
Context: ligand control composite electrode
Measurement source: S20 · Section 13. Proposed Redox Mechanism · Fig. S14

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
6OH-TBC cycling retention	72% after 2000 cycles at 5 A g-1	—	—	Text Exact Reported	S20 · Section 13 · Fig. S14d
Cu-TBC lower ohmic resistance than ligand	equivalent ohmic resistance at electrode/electrolyte interface of Cu-TBC significantly lower than 6OH-TBC ligand	—	—	Text Qualitative	S20 · Section 13 · Fig. S14c
6OH-TBC control redox peak pairs	0.09/0.02 V, 0.27/0.19 V and 0.43/0.33 V vs Ag/AgCl at 2 mV s-1	—	—	Text Exact Reported	S20 · Section 13 · Fig. S14a

Two-electrode Cu-TBC//AC CV and GCD

Voltammetry Galvanostatic cycling

two-electrode asymmetrical Cu-TBC//AC device · Electrode

0-0.6 V; 0.1 M H2SO4; CV scan rates 2-100 mV s-1; GCD at 0.5-20 A g-1

Atmosphere: 0.1 M H2SO4
Geometry: two-electrode asymmetric device
Context: Cu-TBC composite anode with AC cathode
Measurement source: S18-S19 · Section 12. Electrochemical Performance of Two Electrodes Devices · Fig. S12; Table S6

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Device gravimetric capacitance at 0.5 A g-1Marked as a best value within this paper	377.75 F g-1 at 0.5 A g-1	—	—	SI Table Exact Reported	S19 · Section 12 · Table S6
Device gravimetric capacitance at 0.6 A g-1	369.60 F g-1 at 0.6 A g-1	—	—	SI Table Exact Reported	S19 · Section 12 · Table S6
Device gravimetric capacitance at 0.8 A g-1	337.71 F g-1 at 0.8 A g-1	—	—	SI Table Exact Reported	S19 · Section 12 · Table S6
Device gravimetric capacitance at 1 A g-1	329.32 F g-1 at 1 A g-1	—	—	SI Table Exact Reported	S19 · Section 12 · Table S6
Device gravimetric capacitance at 10 A g-1	201.16 F g-1 at 10 A g-1	—	—	SI Table Exact Reported	S19 · Section 12 · Table S6
Device gravimetric capacitance at 2 A g-1	299.36 F g-1 at 2 A g-1	—	—	SI Table Exact Reported	S19 · Section 12 · Table S6
Device gravimetric capacitance at 20 A g-1	148.02 F g-1 at 20 A g-1	—	—	SI Table Exact Reported	S19 · Section 12 · Table S6
Device gravimetric capacitance at 4 A g-1	260.67 F g-1 at 4 A g-1	—	—	SI Table Exact Reported	S19 · Section 12 · Table S6
Device gravimetric capacitance at 5 A g-1	249.08 F g-1 at 5 A g-1	—	—	SI Table Exact Reported	S19 · Section 12 · Table S6
Device gravimetric capacitance at 6 A g-1	235.13 F g-1 at 6 A g-1	—	—	SI Table Exact Reported	S19 · Section 12 · Table S6
Device gravimetric capacitance at 8 A g-1	215.86 F g-1 at 8 A g-1	—	—	SI Table Exact Reported	S19 · Section 12 · Table S6
Device CV shape	nearly rectangular shape with two broad redox peaks at 2 mV s-1	—	—	Text Qualitative	p003 · Device performance · Fig. 4a
Device energy density at 0.5 A g-1Marked as a best value within this paper	18.89 W h kg-1 at power density 0.15 kW kg-1	—	—	SI Table Exact Reported	S19 · Section 12 · Table S6
Device energy density at 0.6 A g-1	18.48 W h kg-1 at power density 0.18 kW kg-1	—	—	SI Table Exact Reported	S19 · Section 12 · Table S6
Device energy density at 0.8 A g-1	16.88 W h kg-1 at power density 0.24 kW kg-1	—	—	SI Table Exact Reported	S19 · Section 12 · Table S6
Device energy density at 1 A g-1	16.46 W h kg-1 at power density 0.3 kW kg-1	—	—	SI Table Exact Reported	S19 · Section 12 · Table S6
Device energy density at 10 A g-1	10.06 W h kg-1 at power density 3 kW kg-1	—	—	SI Table Exact Reported	S19 · Section 12 · Table S6
Device energy density at 2 A g-1	14.96 W h kg-1 at power density 0.6 kW kg-1	—	—	SI Table Exact Reported	S19 · Section 12 · Table S6
Device energy density at 20 A g-1	7.40 W h kg-1 at power density 6 kW kg-1	—	—	SI Table Exact Reported	S19 · Section 12 · Table S6
Device energy density at 4 A g-1	13.03 W h kg-1 at power density 1.2 kW kg-1	—	—	SI Table Exact Reported	S19 · Section 12 · Table S6
Device energy density at 5 A g-1	12.45 W h kg-1 at power density 1.5 kW kg-1	—	—	SI Table Exact Reported	S19 · Section 12 · Table S6
Device energy density at 6 A g-1	11.75 W h kg-1 at power density 1.8 kW kg-1	—	—	SI Table Exact Reported	S19 · Section 12 · Table S6
Device energy density at 8 A g-1	10.79 W h kg-1 at power density 2.4 kW kg-1	—	—	SI Table Exact Reported	S19 · Section 12 · Table S6
Device power density at 0.5 A g-1	0.15 kW kg-1 with energy density 18.89 W h kg-1	—	—	SI Table Exact Reported	S19 · Section 12 · Table S6
Device power density at 0.6 A g-1	0.18 kW kg-1 with energy density 18.48 W h kg-1	—	—	SI Table Exact Reported	S19 · Section 12 · Table S6
Device power density at 0.8 A g-1	0.24 kW kg-1 with energy density 16.88 W h kg-1	—	—	SI Table Exact Reported	S19 · Section 12 · Table S6
Device power density at 1 A g-1	0.3 kW kg-1 with energy density 16.46 W h kg-1	—	—	SI Table Exact Reported	S19 · Section 12 · Table S6
Device power density at 10 A g-1	3 kW kg-1 with energy density 10.06 W h kg-1	—	—	SI Table Exact Reported	S19 · Section 12 · Table S6
Device power density at 2 A g-1	0.6 kW kg-1 with energy density 14.96 W h kg-1	—	—	SI Table Exact Reported	S19 · Section 12 · Table S6
Device power density at 20 A g-1Marked as a best value within this paper	6 kW kg-1 with energy density 7.40 W h kg-1	—	—	SI Table Exact Reported	S19 · Section 12 · Table S6
Device power density at 4 A g-1	1.2 kW kg-1 with energy density 13.03 W h kg-1	—	—	SI Table Exact Reported	S19 · Section 12 · Table S6
Device power density at 5 A g-1	1.5 kW kg-1 with energy density 12.45 W h kg-1	—	—	SI Table Exact Reported	S19 · Section 12 · Table S6
Device power density at 6 A g-1	1.8 kW kg-1 with energy density 11.75 W h kg-1	—	—	SI Table Exact Reported	S19 · Section 12 · Table S6
Device power density at 8 A g-1	2.4 kW kg-1 with energy density 10.79 W h kg-1	—	—	SI Table Exact Reported	S19 · Section 12 · Table S6
Device capacitance retention from 0.5 to 5 A g-1	65.9% retention when current density increased from 0.5 to 5 A g-1	—	—	Text Exact Reported	p004 · Device performance · Fig. S13a

Two-electrode device cycling

two-electrode asymmetrical Cu-TBC//AC device · Electrode

5 A g-1 for 5000 cycles

Atmosphere: 0.1 M H2SO4
Geometry: two-electrode asymmetric device
Context: Cu-TBC composite anode with AC cathode
Measurement source: p004 · Device cycling · Fig. 4d

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Device capacitance retention after cycling	about 83% after 5000 cycles at 5 A g-1	—	—	Text Approximate	p004 · Device performance · Fig. 4d

Two-electrode device EIS

Impedance spectroscopy

two-electrode asymmetrical Cu-TBC//AC device · Electrode

Nyquist plot with equivalent circuit; high-frequency inset

Atmosphere: 0.1 M H2SO4
Geometry: two-electrode asymmetric device
Context: Cu-TBC composite anode with AC cathode
Measurement source: p004 · Device electrochemistry · Fig. S13b

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Device EIS resistance interpretation	low charge transfer resistance and ionic diffusion resistance	—	—	Text Qualitative	p004 · Device performance · Fig. S13b

Trasatti and Dunn capacitance-contribution analysis

Cu-TBC modified glassy carbon electrode · Electrode

CV-derived capacitance contributions; scan rates 2-100 mV s-1; Dunn analysis at selected potentials

Atmosphere: 0.1 M H2SO4
Geometry: three-electrode GCE
Context: Cu-TBC/carbon/Nafion composite electrode
Measurement source: p003 · Charge-storage analysis · Fig. 3

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Surface capacitive contribution by Dunn at 40 mV s-1	85.2% at 40 mV s-1	—	—	Text Approximate	p003 · Charge-storage analysis · Fig. 3c
Dunn PC contribution versus scan rate	PC contribution increases from roughly 36% at 2 mV s-1 to roughly 91% at 50 mV s-1 in Fig. 3d	—	—	Figure Axis Approximate	p003 · Charge-storage analysis · Fig. 3d
EDL capacitance contribution by Trasatti	Cdl contribution about 14.6%	—	—	Text Approximate	p003 · Charge-storage analysis · Fig. 3a,b
Pseudocapacitance contribution by TrasattiMarked as a best value within this paper	Cp contribution about 85.4%	—	—	Text Approximate	p003 · Charge-storage analysis · Fig. 3a,b

Three-electrode CV and GCD

Voltammetry Galvanostatic cycling

Cu-TBC modified glassy carbon electrode · Electrode

0.1 M H2SO4; Ag/AgCl reference; Pt counter; potential window -0.4 to 0.6 V; scan rates 2-100 mV s-1; GCD current densities 0.2-20 A g-1

Atmosphere: aqueous acidic electrolyte
Geometry: three-electrode GCE
Context: Cu-TBC/carbon/Nafion composite electrode
Measurement source: S9 · Section 3. Standard three-electrode system measurements · Fig. 2; Fig. S9; Fig. S10; Table S7

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Major CV redox peak pair	0.09/0.02 V vs Ag/AgCl at 2 mV s-1	—	—	Text Exact Reported	p003 · Electrochemical performance · Fig. 2a
Minor CV redox peak pair	0.43/0.33 V vs Ag/AgCl at 2 mV s-1	—	—	Text Exact Reported	p003 · Electrochemical performance · Fig. 2a
Gravimetric capacitance at 0.2 A g-1Marked as a best value within this paper	474.8 F g-1 at 0.2 A g-1	—	—	Text Exact Reported	p003 · Electrochemical performance · Fig. 2b; Fig. S10
Gravimetric capacitance at 0.5 A g-1	379 F g-1 at 0.5 A g-1	—	—	SI Table Exact Reported	S22 · Section 14 · Table S7
Gravimetric capacitance at 0.8 A g-1	342 F g-1 at 0.8 A g-1 (bar label in Fig. S10)	—	—	Figure Axis Approximate	S17 · Section 11 · Fig. S10
Gravimetric capacitance at 1 A g-1	313 F g-1 at 1 A g-1 (bar label in Fig. S10)	—	—	Figure Axis Approximate	S17 · Section 11 · Fig. S10
Gravimetric capacitance at 10 A g-1	145 F g-1 at 10 A g-1 (bar label in Fig. S10)	—	—	Figure Axis Approximate	S17 · Section 11 · Fig. S10
Gravimetric capacitance at 2 A g-1	265 F g-1 at 2 A g-1 (bar label in Fig. S10)	—	—	Figure Axis Approximate	S17 · Section 11 · Fig. S10
Gravimetric capacitance at 20 A g-1	108 F g-1 at 20 A g-1 (bar label in Fig. S10)	—	—	Figure Axis Approximate	S17 · Section 11 · Fig. S10
Gravimetric capacitance at 4 A g-1	209 F g-1 at 4 A g-1 (bar label in Fig. S10)	—	—	Figure Axis Approximate	S17 · Section 11 · Fig. S10
Gravimetric capacitance at 6 A g-1	182 F g-1 at 6 A g-1 (bar label in Fig. S10)	—	—	Figure Axis Approximate	S17 · Section 11 · Fig. S10
Gravimetric capacitance at 8 A g-1	160 F g-1 at 8 A g-1 (bar label in Fig. S10)	—	—	Figure Axis Approximate	S17 · Section 11 · Fig. S10
Rate retention from 0.2 to 2 A g-1	approximately 56% of initial capacitance maintained when current density increased from 0.2 to 2 A g-1	—	—	Text Approximate	p003 · Electrochemical performance · Fig. S10

Long-term cycling test

Cu-TBC modified glassy carbon electrode · Electrode

5 A g-1 for 5000 cycles in 0.1 M H2SO4

Atmosphere: 0.1 M H2SO4
Geometry: three-electrode GCE
Context: Cu-TBC/carbon/Nafion composite electrode
Measurement source: p003 · Electrochemical performance · Fig. 2d

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Capacitance retention after cycling	90% after 5000 cycles at 5 A g-1	—	—	Text Exact Reported	p003 · Electrochemical performance · Fig. 2d

Electrochemical impedance spectroscopy

Impedance spectroscopy

Cu-TBC modified glassy carbon electrode · Electrode

10 mHz to 1 MHz at bias voltages in three-electrode setup

Atmosphere: 0.1 M H2SO4
Geometry: three-electrode GCE
Context: Cu-TBC/carbon/Nafion composite electrode
Measurement source: p003 · Electrochemical performance · Fig. 2c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Nyquist plot behaviour	Nyquist plot showed typical supercapacitive characteristics	—	—	Text Qualitative	p003 · Electrochemical performance · Fig. 2c