Electrochemistry Application — Molecular-Level Pore Tuning in 2D Conductive Metal-Organic Frameworks for Advanced Supercapacitor Performance

6 measurement groups · 70 results

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

Dunn method capacitance contribution deconvolution

Free-standing Cu3(HHTATP)2 composite electrode · Electrode

CV profiles deconvoluted into EDL and pseudocapacitive contributions over scan rates 1-100 mV s-1.

Context: target composite electrode
Measurement source: S8; S19 · Capacitance contribution deconvolution methods; Table S4 · Figure 2b,c; Table S4

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
EDL contribution at 100 mV s-1	78.32%	—	—	SI Table Exact Reported	S19 · Table S4 · Table S4
EDL contribution at 10 mV s-1	53.32%	—	—	SI Table Exact Reported	S19 · Table S4 · Table S4
EDL contribution at 1 mV s-1	26.54%	—	—	SI Table Exact Reported	S19 · Table S4 · Table S4
EDL contribution at 20 mV s-1	61.77%	—	—	SI Table Exact Reported	S19 · Table S4 · Table S4
EDL contribution at 30 mV s-1	66.43%	—	—	SI Table Exact Reported	S19 · Table S4 · Table S4
EDL contribution at 40 mV s-1	69.55%	—	—	SI Table Exact Reported	S19 · Table S4 · Table S4
EDL contribution at 50 mV s-1	71.86%	—	—	SI Table Exact Reported	S19 · Table S4 · Table S4
EDL contribution at 60 mV s-1	73.67%	—	—	SI Table Exact Reported	S19 · Table S4 · Table S4
EDL contribution at 70 mV s-1	75.14%	—	—	SI Table Exact Reported	S19 · Table S4 · Table S4
EDL contribution at 80 mV s-1	76.36%	—	—	SI Table Exact Reported	S19 · Table S4 · Table S4
EDL contribution at 90 mV s-1	77.41%	—	—	SI Table Exact Reported	S19 · Table S4 · Table S4
Pseudocapacitive contribution at 100 mV s-1	21.68%	—	—	SI Table Exact Reported	S19 · Table S4 · Table S4
Pseudocapacitive contribution at 10 mV s-1	46.68%	—	—	SI Table Exact Reported	S19 · Table S4 · Table S4
Pseudocapacitive contribution at 1 mV s-1	73.46%	—	—	SI Table Exact Reported	S19 · Table S4 · Table S4
Pseudocapacitive contribution at 20 mV s-1	38.23%	—	—	SI Table Exact Reported	S19 · Table S4 · Table S4
Pseudocapacitive contribution at 30 mV s-1	33.57%	—	—	SI Table Exact Reported	S19 · Table S4 · Table S4
Pseudocapacitive contribution at 40 mV s-1	30.45%	—	—	SI Table Exact Reported	S19 · Table S4 · Table S4
Pseudocapacitive contribution at 50 mV s-1	28.14%	—	—	SI Table Exact Reported	S19 · Table S4 · Table S4
Pseudocapacitive contribution at 60 mV s-1	26.33%	—	—	SI Table Exact Reported	S19 · Table S4 · Table S4
Pseudocapacitive contribution at 70 mV s-1	24.86%	—	—	SI Table Exact Reported	S19 · Table S4 · Table S4
Pseudocapacitive contribution at 80 mV s-1	23.64%	—	—	SI Table Exact Reported	S19 · Table S4 · Table S4
Pseudocapacitive contribution at 90 mV s-1	22.59%	—	—	SI Table Exact Reported	S19 · Table S4 · Table S4

Three-electrode CV/GCD/EIS in 1 M KCl

Impedance spectroscopy Voltammetry Galvanostatic cycling

Free-standing Cu3(HHTATP)2 composite electrode · Electrode

Free-standing composite working electrode, Pt counter, Ag/AgCl reference; 25 C; CV -0.4 to 0.5 V at 1-100 mV s-1; GCD 0.2-8 A g-1; EIS 10 mHz-100 kHz, 10 mV AC.

Temperature: 298
Geometry: three-electrode beaker cell
Context: target composite electrode
Measurement source: S6; 29769 · Electrochemical method; Electrochemical Features · Figures 1d-f, 2f; Table S3

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Amine/imine oxidation peak	-0.20 V vs Ag/AgCl	—	—	Text Approximate	29769 · Electrochemical Features · Figure 1e
Amine/imine reduction peak	-0.29 V vs Ag/AgCl	—	—	Text Approximate	29769 · Electrochemical Features · Figure 1e
Cu+/Cu2+ oxidation peak	0.01 V vs Ag/AgCl	—	—	Text Approximate	29769 · Electrochemical Features · Figure 1e
Cu+/Cu2+ reduction peak	-0.12 V vs Ag/AgCl	—	—	Text Approximate	29769 · Electrochemical Features · Figure 1e
Three-electrode gravimetric capacitance at 0.2 A g-1Marked as a best value within this paper	339.53 +/- 14.56 F g-1	—	+/- 14.56	SI Table Exact Reported	S18 · Table S3 · Table S3
Three-electrode gravimetric capacitance at 0.5 A g-1	304.88 +/- 19.15 F g-1	—	+/- 19.15	SI Table Exact Reported	S18 · Table S3 · Table S3
Three-electrode gravimetric capacitance at 1.0 A g-1	291.89 +/- 12.93 F g-1	—	+/- 12.93	SI Table Exact Reported	S18 · Table S3 · Table S3
Three-electrode gravimetric capacitance at 1.5 A g-1	262.16 +/- 20.11 F g-1	—	+/- 20.11	SI Table Exact Reported	S18 · Table S3 · Table S3
Three-electrode gravimetric capacitance at 2.0 A g-1	234.33 +/- 18.46 F g-1	—	+/- 18.46	SI Table Exact Reported	S18 · Table S3 · Table S3
Three-electrode gravimetric capacitance at 3.0 A g-1	190.44 +/- 23.25 F g-1	—	+/- 23.25	SI Table Exact Reported	S18 · Table S3 · Table S3
Three-electrode gravimetric capacitance at 4.0 A g-1	162.40 +/- 22.23 F g-1	—	+/- 22.23	SI Table Exact Reported	S18 · Table S3 · Table S3
Three-electrode gravimetric capacitance at 6.0 A g-1	151.53 +/- 16.90 F g-1	—	+/- 16.90	SI Table Exact Reported	S18 · Table S3 · Table S3
Three-electrode gravimetric capacitance at 8.0 A g-1	135.74 +/- 11.12 F g-1	—	+/- 11.12	SI Table Exact Reported	S18 · Table S3 · Table S3
Nyquist low-frequency behaviour	mostly linear tail characteristic of supercapacitor materials	—	—	Text Qualitative	29769 · Electrochemical Features · Figure 1d

Three-electrode GCD/CV/EIS in 1 M KCl

Impedance spectroscopy Voltammetry Galvanostatic cycling

Free-standing Cu3(HHTP)2 composite electrode control · Electrode

Same electrolyte and electrode geometry as target; used as control.

Temperature: 298
Geometry: three-electrode beaker cell
Context: control composite electrode
Measurement source: S6; S18 · Electrochemical method; Table S3 · Figures S11, S14, S16; Table S3

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Three-electrode gravimetric capacitance at 0.2 A g-1	232.47 +/- 15.32 F g-1	—	+/- 15.32	SI Table Exact Reported	S18 · Table S3 · Table S3
Three-electrode gravimetric capacitance at 0.5 A g-1	149.20 +/- 12.85 F g-1	—	+/- 12.85	SI Table Exact Reported	S18 · Table S3 · Table S3
Three-electrode gravimetric capacitance at 1.0 A g-1	120.07 +/- 19.04 F g-1	—	+/- 19.04	SI Table Exact Reported	S18 · Table S3 · Table S3
Three-electrode gravimetric capacitance at 1.5 A g-1	115.93 +/- 11.12 F g-1	—	+/- 11.12	SI Table Exact Reported	S18 · Table S3 · Table S3
Three-electrode gravimetric capacitance at 2.0 A g-1	105.76 +/- 13.57 F g-1	—	+/- 13.57	SI Table Exact Reported	S18 · Table S3 · Table S3
Three-electrode gravimetric capacitance at 3.0 A g-1	99.13 +/- 9.85 F g-1	—	+/- 9.85	SI Table Exact Reported	S18 · Table S3 · Table S3
Three-electrode gravimetric capacitance at 4.0 A g-1	79.61 +/- 10.41 F g-1	—	+/- 10.41	SI Table Exact Reported	S18 · Table S3 · Table S3
Three-electrode gravimetric capacitance at 6.0 A g-1	74.07 +/- 7.92 F g-1	—	+/- 7.92	SI Table Exact Reported	S18 · Table S3 · Table S3
Three-electrode gravimetric capacitance at 8.0 A g-1	70.17 +/- 9.19 F g-1	—	+/- 9.19	SI Table Exact Reported	S18 · Table S3 · Table S3

Two-electrode symmetric supercapacitor cell

Free-standing Cu3(HHTATP)2 composite electrode · Electrode

STC5 split flat cell with two free-standing composite electrodes, Whatman GF/A separator, 20 uL electrolyte, 10 h rest; 1 V operating window.

Geometry: two-electrode symmetric split flat cell
Context: target composite electrode
Measurement source: S7; 29770 · Two-electrode configuration measurements · Figure 3a-f; Tables S5-S7

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Capacitance retention after cyclingMarked as a best value within this paper	94% after 7000 cycles at 5 A g-1	—	—	Text Rounded Reported	29770 · Two-Electrode Symmetric Cell Performance · Figure 3e; Figure S19
Maximum reported power density in Table S7	894.06 W kg-1 at 5.08 Wh kg-1	5.08 Wh kg-1	—	SI Table Exact Reported	S25 · Table S7 · Table S7
Post-cycle preserved (100) reflection	2theta = 4.8 deg	—	—	Caption Rounded Reported	S22 · Figure S20 caption · Figure S20
Post-cycle preserved (200) reflection	2theta = 9.6 deg	—	—	Caption Rounded Reported	S22 · Figure S20 caption · Figure S20
Single-electrode gravimetric capacitance in symmetric cell at 0.5 A g-1	264 F g-1 (main text); 264.4 F g-1 (Table S6)	—	—	Text Rounded Reported	29770 · Two-Electrode Symmetric Cell Performance · Figure 3c; Table S6
Single-electrode gravimetric capacitance in symmetric cell at 0.5 A g-1Marked as a best value within this paper	254.48 +/- 9.88 F g-1	—	+/- 9.88	SI Table Exact Reported	S21 · Table S5 · Table S5
Single-electrode gravimetric capacitance in symmetric cell at 1.0 A g-1	234.33 +/- 10.54 F g-1	—	+/- 10.54	SI Table Exact Reported	S21 · Table S5 · Table S5
Single-electrode gravimetric capacitance in symmetric cell at 1.5 A g-1	203.56 +/- 12.79 F g-1	—	+/- 12.79	SI Table Exact Reported	S21 · Table S5 · Table S5
Single-electrode gravimetric capacitance in symmetric cell at 2.0 A g-1	163.26 +/- 9.01 F g-1	—	+/- 9.01	SI Table Exact Reported	S21 · Table S5 · Table S5
Single-electrode gravimetric capacitance in symmetric cell at 4.0 A g-1	138.03 +/- 8.83 F g-1	—	+/- 8.83	SI Table Exact Reported	S21 · Table S5 · Table S5
Symmetric-cell CV shape	mostly rectangular CV responses	—	—	Text Qualitative	29770 · Two-Electrode Symmetric Cell Performance · Figure 3b
Energy density at 247.46 W kg-1Marked as a best value within this paper	8.99 Wh kg-1 at 247.46 W kg-1	247.46 W kg-1	—	SI Table Exact Reported	S25 · Table S7 · Table S7
Energy density at 490.34 W kg-1	8.18 Wh kg-1 at 490.34 W kg-1	490.34 W kg-1	—	SI Table Exact Reported	S25 · Table S7 · Table S7
Energy density at 730.35 W kg-1	7.13 Wh kg-1 at 730.35 W kg-1	730.35 W kg-1	—	SI Table Exact Reported	S25 · Table S7 · Table S7
Energy density at 894.06 W kg-1	5.08 Wh kg-1 at 894.06 W kg-1	894.06 W kg-1	—	SI Table Exact Reported	S25 · Table S7 · Table S7
Control symmetric-cell charge-transfer resistance	15.2 ohm for Cu3(HHTP)2 cell	—	—	Text Rounded Reported	29770 · Two-Electrode Symmetric Cell Performance · Figure 3a; Figure S18
Symmetric-cell charge-transfer resistanceMarked as a best value within this paper	6.6 ohm	—	—	Text Rounded Reported	29770 · Two-Electrode Symmetric Cell Performance · Figure 3a; Figure S18

Trasatti analysis

Free-standing Cu3(HHTATP)2 composite electrode · Electrode

CV scan-rate dependence; C and reciprocal C plotted versus v^-1/2 or v^1/2; high-rate points may be omitted for fitting.

Context: target composite electrode
Measurement source: 29770; S8 · Charge Storage Mechanism; Trasatti analysis · Figure 2d,e

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
C vs v^-1/2 intercept (CEDL)	C = 77.4 v^-1/2 + 114.0	—	—	Figure Axis Rounded Reported	29769 · Figure 2e · Figure 2e
C^-1 vs v^1/2 intercept	C^-1 = 0.00197 v^1/2 + 0.00272	—	—	Figure Axis Rounded Reported	29769 · Figure 2d · Figure 2d
Trasatti EDL contribution	30%	—	—	Figure Axis Rounded Reported	29769 · Figure 2e inset · Figure 2e
Trasatti pseudocapacitive contributionMarked as a best value within this paper	70%	—	—	Text Rounded Reported	29770 · Charge Storage Mechanism · Figure 2d,e

Trasatti analysis

Free-standing Cu3(HHTP)2 composite electrode control · Electrode

Control Cu3(HHTP)2 CV scan-rate analysis; high-rate points omitted for fitting.

Context: control composite electrode
Measurement source: S20 · Figure S17 caption · Figure S17

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
C vs v^-1/2 intercept (CEDL)	C = 67.3 v^-1/2 + 93.6	—	—	Figure Axis Rounded Reported	S20 · Figure S17b · Figure S17
C^-1 vs v^1/2 intercept	C^-1 = 0.00187 v^1/2 + 0.00417	—	—	Figure Axis Rounded Reported	S20 · Figure S17a · Figure S17
Trasatti EDL contribution	40%	—	—	Figure Axis Rounded Reported	S20 · Figure S17 inset · Figure S17
Trasatti pseudocapacitive contribution	60%	—	—	Figure Axis Rounded Reported	S20 · Figure S17 inset · Figure S17