Electrochemistry Application — Impact of the Channel Length in Nanoporous Electric Double-Layer Capacitors on the Charge Transport Explored by Metal-Organic Framework Films

7 measurement groups · 70 results

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

b-value analysis from i = a v^b in pure [BMIM][TFSI]

Cu3(HHTP)2 SURMOF synthesis-cycle series · Thin Film

Peak currents at 0 and 0.5 V fitted against scan rate from 0.1 to 3000 mV s-1 for batch 1 and batch 2 samples.

Geometry: three-electrode CV
Context: pristine conductive MOF film electrodes
Measurement source: SI p. 18 · Figure S17 caption · Figure S17

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
IL b-value, 100 cycles, batch 1, 0.5 V	0.62	100 synthesis cycles	—	Figure Axis Rounded Reported	SI p. 18 · Figure S17 · Figure S17
IL b-value, 100 cycles, batch 1, 0 V	0.54	100 synthesis cycles	—	Figure Axis Rounded Reported	SI p. 18 · Figure S17 · Figure S17
IL b-value, 150 cycles, batch 1, 0.5 V	0.61	150 synthesis cycles	—	Figure Axis Rounded Reported	SI p. 18 · Figure S17 · Figure S17
IL b-value, 150 cycles, batch 1, 0 V	0.59	150 synthesis cycles	—	Figure Axis Rounded Reported	SI p. 18 · Figure S17 · Figure S17
IL b-value, 200 cycles, batch 1, 0.5 V	0.64	200 synthesis cycles	—	Figure Axis Rounded Reported	SI p. 18 · Figure S17 · Figure S17
IL b-value, 200 cycles, batch 1, 0 V	0.59	200 synthesis cycles	—	Figure Axis Rounded Reported	SI p. 18 · Figure S17 · Figure S17
IL b-value, 20 cycles, batch 1, 0.5 V	0.51	20 synthesis cycles	—	Figure Axis Rounded Reported	SI p. 18 · Figure S17 · Figure S17
IL b-value, 20 cycles, batch 1, 0 V	0.52	20 synthesis cycles	—	Figure Axis Rounded Reported	SI p. 18 · Figure S17 · Figure S17
IL b-value, 40 cycles, batch 1, 0.5 V	0.55	40 synthesis cycles	—	Figure Axis Rounded Reported	SI p. 18 · Figure S17 · Figure S17
IL b-value, 40 cycles, batch 1, 0 V	0.55	40 synthesis cycles	—	Figure Axis Rounded Reported	SI p. 18 · Figure S17 · Figure S17
IL b-value, 60 cycles, batch 1, 0.5 V	0.56	60 synthesis cycles	—	Figure Axis Rounded Reported	SI p. 18 · Figure S17 · Figure S17
IL b-value, 60 cycles, batch 1, 0 V	0.61	60 synthesis cycles	—	Figure Axis Rounded Reported	SI p. 18 · Figure S17 · Figure S17
IL b-value, 80 cycles, batch 1, 0.5 V	0.55	80 synthesis cycles	—	Figure Axis Rounded Reported	SI p. 18 · Figure S17 · Figure S17
IL b-value, 80 cycles, batch 1, 0 V	0.57	80 synthesis cycles	—	Figure Axis Rounded Reported	SI p. 18 · Figure S17 · Figure S17
All visible IL b-value labels in Figure S17	20 cycles: batch 1 0 V 0.52, batch 1 0.5 V 0.51, batch 2 0 V 0.50, batch 2 0.5 V 0.58; 40 cycles: batch 1 0 V 0.55, batch 1 0.5 V 0.55, batch 2 0 V 0.59, batch 2 0.5 V 0.59; 60 cycles: batch 1 0 V 0.61, batch 1 0.5 V 0.56, batch 2 0 V 0.64, batch 2 0.5 V 0.61; 80 cycles: batch 1 0 V 0.57, batch 1 0.5 V 0.55, batch 2 0 V 0.70, batch 2 0.5 V 0.62; 100 cycles: batch 1 0 V 0.54, batch 1 0.5 V 0.62, batch 2 0 V 0.72, batch 2 0.5 V 0.68; 150 cycles: batch 1 0 V 0.59, batch 1 0.5 V 0.61, batch 2 0 V 0.62, batch 2 0.5 V 0.69; 200 cycles: batch 1 0 V 0.59, batch 1 0.5 V 0.64, batch 2 0 V 0.68, batch 2 0.5 V 0.71	—	—	Figure Axis Rounded Reported	SI p. 18 · Figure S17 · Figure S17
IL b-value range with increasing film thickness	from 0.52 to 0.66	—	—	Text Range	271 · Results and Discussion · Figure 5c

b-value analysis from i = a v^b in KCl

Cu3(HHTP)2 SURMOF synthesis-cycle series · Thin Film

Peak currents at 0 and 0.3 V fitted against scan rate from 0.1 to 3000 mV s-1 for batch 1 and batch 2 samples.

Geometry: three-electrode CV
Context: pristine conductive MOF film electrodes
Measurement source: SI p. 17 · Figure S16 caption · Figure S16

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
KCl b-value, 100 cycles, batch 1, 0.3 V	0.87	100 synthesis cycles	—	Figure Axis Rounded Reported	SI p. 17 · Figure S16 · Figure S16
KCl b-value, 100 cycles, batch 1, 0 V	0.85	100 synthesis cycles	—	Figure Axis Rounded Reported	SI p. 17 · Figure S16 · Figure S16
KCl b-value, 150 cycles, batch 1, 0.3 V	0.93	150 synthesis cycles	—	Figure Axis Rounded Reported	SI p. 17 · Figure S16 · Figure S16
KCl b-value, 150 cycles, batch 1, 0 V	0.81	150 synthesis cycles	—	Figure Axis Rounded Reported	SI p. 17 · Figure S16 · Figure S16
KCl b-value, 200 cycles, batch 1, 0 V	0.93	200 synthesis cycles	—	Figure Axis Rounded Reported	SI p. 17 · Figure S16 · Figure S16
KCl b-value, 20 cycles, batch 1, 0.3 V	0.72	20 synthesis cycles	—	Figure Axis Rounded Reported	SI p. 17 · Figure S16 · Figure S16
KCl b-value, 20 cycles, batch 1, 0 V	0.73	20 synthesis cycles	—	Figure Axis Rounded Reported	SI p. 17 · Figure S16 · Figure S16
KCl b-value, 20 cycles, batch 2, 0.3 V	0.80	20 synthesis cycles	—	Figure Axis Rounded Reported	SI p. 17 · Figure S16 · Figure S16
KCl b-value, 20 cycles, batch 2, 0 V	0.77	20 synthesis cycles	—	Figure Axis Rounded Reported	SI p. 17 · Figure S16 · Figure S16
KCl b-value, 40 cycles, batch 1, 0.3 V	0.82	40 synthesis cycles	—	Figure Axis Rounded Reported	SI p. 17 · Figure S16 · Figure S16
KCl b-value, 40 cycles, batch 1, 0 V	0.77	40 synthesis cycles	—	Figure Axis Rounded Reported	SI p. 17 · Figure S16 · Figure S16
KCl b-value, 40 cycles, batch 2, 0.3 V	0.85	40 synthesis cycles	—	Figure Axis Rounded Reported	SI p. 17 · Figure S16 · Figure S16
KCl b-value, 40 cycles, batch 2, 0 V	0.75	40 synthesis cycles	—	Figure Axis Rounded Reported	SI p. 17 · Figure S16 · Figure S16
KCl b-value, 60 cycles, batch 1, 0.3 V	0.77	60 synthesis cycles	—	Figure Axis Rounded Reported	SI p. 17 · Figure S16 · Figure S16
KCl b-value, 60 cycles, batch 1, 0 V	0.85	60 synthesis cycles	—	Figure Axis Rounded Reported	SI p. 17 · Figure S16 · Figure S16
KCl b-value, 80 cycles, batch 1, 0.3 V	0.79	80 synthesis cycles	—	Figure Axis Rounded Reported	SI p. 17 · Figure S16 · Figure S16
KCl b-value, 80 cycles, batch 1, 0 V	0.81	80 synthesis cycles	—	Figure Axis Rounded Reported	SI p. 17 · Figure S16 · Figure S16
All visible KCl b-value labels in Figure S16	20 cycles: batch 1 0 V 0.73, batch 1 0.3 V 0.72, batch 2 0 V 0.77, batch 2 0.3 V 0.80; 40 cycles: batch 1 0 V 0.77, batch 1 0.3 V 0.82, batch 2 0 V 0.75, batch 2 0.3 V 0.85; 60 cycles: batch 1 0 V 0.85, batch 1 0.3 V 0.77, batch 2 0 V 0.84, batch 2 0.3 V 0.89; 80 cycles: batch 1 0 V 0.81, batch 1 0.3 V 0.79, batch 2 0 V 0.90, batch 2 0.3 V 0.90; 100 cycles: batch 1 0 V 0.85, batch 1 0.3 V 0.87, batch 2 0 V 0.90, batch 2 0.3 V 0.93; 150 cycles: batch 1 0 V 0.81, batch 1 0.3 V 0.93, batch 2 0 V 0.95, batch 2 0.3 V 0.91; 200 cycles: batch 1 0 V 0.93, batch 1 0.3 V 0.93, batch 2 0 V 0.93, batch 2 0.3 V 0.93	—	—	Figure Axis Rounded Reported	SI p. 17 · Figure S16 · Figure S16
KCl b-value range with increasing film thickness	from 0.71 to 0.93	—	—	Text Range	271 · Results and Discussion · Figure 5c

Cyclic voltammetry in pure ionic liquid [BMIM][TFSI]

Voltammetry

Cu3(HHTP)2 SURMOF synthesis-cycle series · Thin Film

Three-electrode cell; Cu3(HHTP)2/Au-coated Si working electrode, Pt sheet counter electrode, Ag/AgCl reference; 0-0.5 V vs Ag/AgCl; scan rates 0.1-3000 mV s-1.

Geometry: 0.5 cm2 working electrode; homemade three-electrode cell
Context: pristine conductive MOF film electrode
Measurement source: 269 · Results and Discussion · Figures 2d-f, S4, S8, S9, S11

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Ionic-liquid CV curve shape	Spindle-shaped CV curves deviating from ideal EDLC behaviour	—	—	Text Qualitative	269 · Results and Discussion · Figures 2d,e and S4
Ionic-liquid CV potential window	0-0.5 V vs Ag/AgCl	—	—	Text Exact Reported	268 · Characterizations
Batch 1 maximum IL capacitance increase from 20 to 200 cycles	2.5 x 10-2 to 1.3 x 10-1 F cm-2	0.025 F cm-2 at 20 cycles	—	Caption Exact Reported	SI p. 12 · Figure S11 caption · Figure S11
Batch 2 maximum IL capacitance increase from 20 to 200 cyclesMarked as a best value within this paper	1.3 x 10-2 to 1.4 x 10-1 F cm-2	0.013 F cm-2 at 20 cycles	—	Caption Exact Reported	SI p. 12 · Figure S11 caption · Figure S11

Cyclic voltammetry in 3 M KCl aqueous electrolyte

Voltammetry

Cu3(HHTP)2 SURMOF synthesis-cycle series · Thin Film

Three-electrode cell; Cu3(HHTP)2/Au-coated Si working electrode, Pt sheet counter electrode, Ag/AgCl reference; 0-0.3 V vs Ag/AgCl; scan rates 0.1-3000 mV s-1.

Geometry: 0.5 cm2 working electrode; homemade three-electrode cell
Context: pristine conductive MOF film electrode
Measurement source: 268-269 · Characterizations; Results and Discussion · Figures 2a-c, S3, S6, S7, S10

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
CV scan-rate range	0.1 to 3000 mV s-1	—	—	Text Exact Reported	268 · Characterizations
200-cycle KCl surface areal capacitance at 0.1 mV s-1Marked as a best value within this paper	0.54 F cm-2 at 0.1 mV s-1	0.1 mV s-1	—	Text Exact Reported	269 · Results and Discussion · Figure 2c
200-cycle KCl surface areal capacitance at 3000 mV s-1	0.044 F cm-2 at 3000 mV s-1	3000 mV s-1	—	Text Exact Reported	269 · Results and Discussion · Figure 2c
KCl CV curve shape	Nearly rectangular CV curves with no observable redox peaks	—	—	Text Qualitative	269 · Results and Discussion · Figures 2a,b and S3
KCl CV potential window	0-0.3 V vs Ag/AgCl	—	—	Text Exact Reported	268 · Characterizations
Batch 1 maximum KCl capacitance increase from 20 to 200 cyclesMarked as a best value within this paper	4.6 x 10-2 to 5.4 x 10-1 F cm-2	0.046 F cm-2 at 20 cycles	—	Caption Exact Reported	SI p. 11 · Figure S10 caption · Figure S10
Batch 2 maximum KCl capacitance increase from 20 to 200 cyclesMarked as a best value within this paper	4.4 x 10-2 to 5.8 x 10-1 F cm-2	0.044 F cm-2 at 20 cycles	—	Caption Exact Reported	SI p. 11 · Figure S10 caption · Figure S10
Batch 1 20-cycle KCl capacitance at 0.1 mV s-1	4.6 x 10-2 F cm-2	0.1 mV s-1	—	Caption Exact Reported	SI p. 8 · Figure S7 caption · Figure S7
Batch 1 20-cycle KCl capacitance at 3000 mV s-1	1.1 x 10-3 F cm-2	3000 mV s-1	—	Caption Exact Reported	SI p. 8 · Figure S7 caption · Figure S7
Batch 2 20-cycle KCl capacitance at 0.1 mV s-1	4.4 x 10-2 F cm-2	0.1 mV s-1	—	Caption Exact Reported	SI p. 8 · Figure S7 caption · Figure S7
Batch 2 20-cycle KCl capacitance at 3000 mV s-1	1.4 x 10-2 F cm-2	3000 mV s-1	—	Caption Exact Reported	SI p. 8 · Figure S7 caption · Figure S7

Dunn method current deconvolution

20-cycle Cu3(HHTP)2 SURMOF · Thin Film

Current decomposed into surface-controlled/non-diffusion-controlled and diffusion-controlled contributions for 20-cycle samples at 1 and 1000 mV s-1 in KCl and IL.

Geometry: three-electrode CV
Context: pristine conductive MOF film electrode
Measurement source: SI p. 16 · Figure S15 caption · Figure S15

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
20-cycle IL non-diffusion-controlled capacitance fraction at 1 mV s-1	1.40%	1 mV s-1	—	Figure Axis Rounded Reported	SI p. 16 · Figure S15 · Figure S15c
20-cycle IL non-diffusion-controlled capacitance fraction at 1000 mV s-1	25.8%	1000 mV s-1	—	Figure Axis Rounded Reported	SI p. 16 · Figure S15 · Figure S15d
20-cycle KCl non-diffusion-controlled capacitance fraction at 1 mV s-1	6.5%	1 mV s-1	—	Figure Axis Rounded Reported	SI p. 16 · Figure S15 · Figure S15a
20-cycle KCl non-diffusion-controlled capacitance fraction at 1000 mV s-1	57.1%	1000 mV s-1	—	Figure Axis Rounded Reported	SI p. 16 · Figure S15 · Figure S15b

Dunn method current deconvolution

200-cycle Cu3(HHTP)2 SURMOF · Thin Film

Current decomposed into surface-controlled/non-diffusion-controlled and diffusion-controlled contributions for 200-cycle samples at 1 and 1000 mV s-1 in KCl and IL.

Geometry: three-electrode CV
Context: pristine conductive MOF film electrode
Measurement source: 270 · Results and Discussion · Figure 4

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
200-cycle IL non-diffusion-controlled capacitance fraction at 1 mV s-1	1.48%	1 mV s-1	—	Figure Axis Rounded Reported	270 · Figure 4 · Figure 4c
200-cycle IL non-diffusion-controlled capacitance fraction at 1000 mV s-1	21.1%	1000 mV s-1	—	Figure Axis Rounded Reported	270 · Figure 4 · Figure 4d
200-cycle KCl non-diffusion-controlled capacitance fraction at 1 mV s-1	33.0%	1 mV s-1	—	Figure Axis Rounded Reported	270 · Figure 4 · Figure 4a
200-cycle KCl non-diffusion-controlled capacitance fraction at 1000 mV s-1	67.2%	1000 mV s-1	—	Figure Axis Rounded Reported	270 · Figure 4 · Figure 4b

Trasatti/Petrii capacitance analysis

Cu3(HHTP)2 SURMOF synthesis-cycle series · Thin Film

C(v) and reciprocal-capacitance extrapolations used to estimate total capacitance Cs and outer capacitance Co for KCl and IL electrolytes.

Geometry: three-electrode CV-derived capacitance analysis
Context: pristine conductive MOF film electrodes
Measurement source: 269 · Results and Discussion · Figure 3

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
IL total-to-outer capacitance ratio	ratio roughly 4	—	—	Text Approximate	269-270 · Results and Discussion · Figure 3
IL total capacitance lower than KCl	approximately 1.5-3.5 times smaller	—	—	Text Range	269 · Results and Discussion · Figure 3
MOF-surface-normalised total capacitance for 200-cycle IL	375 microF cm-2	—	—	Text Exact Reported	270 · Results and Discussion
MOF-surface-normalised total capacitance for 200-cycle KCl	1300 microF cm-2	—	—	Text Exact Reported	270 · Results and Discussion
MOF-surface-normalised total capacitance for 20-cycle IL	841 microF cm-2	—	—	Text Exact Reported	270 · Results and Discussion
MOF-surface-normalised total capacitance for 20-cycle KCl	1340 microF cm-2	—	—	Text Exact Reported	270 · Results and Discussion
200-cycle total capacitance Cs in IL	0.12 F cm-2	—	—	Text Exact Reported	270 · Results and Discussion · Figure 3
200-cycle total capacitance Cs in KCl	0.41 F cm-2	—	—	Text Exact Reported	270 · Results and Discussion · Figure 3
20-cycle total capacitance Cs in IL	0.034 F cm-2	—	—	Text Exact Reported	270 · Results and Discussion · Figure 3
20-cycle total capacitance Cs in KCl	0.055 F cm-2	—	—	Text Exact Reported	270 · Results and Discussion · Figure 3
Visible Figure S12 reciprocal-capacitance fit equations for Cs	40 cycles: KCl C^-1 = 3.17 v^1/2 + 8.78, IL C^-1 = 44.3 v^1/2 + 16.5; 60 cycles: KCl C^-1 = 2.24 v^1/2 + 5.42, IL C^-1 = 22.8 v^1/2 + 15.6; 80 cycles: KCl C^-1 = 1.24 v^1/2 + 4.11, IL C^-1 = 16.8 v^1/2 + 12.5; 100 cycles: KCl C^-1 = 0.78 v^1/2 + 3.64, IL C^-1 = 13.5 v^1/2 + 11.2; 150 cycles: KCl C^-1 = 0.58 v^1/2 + 2.73, IL C^-1 = 11.1 v^1/2 + 9.32	—	—	Figure Axis Rounded Reported	SI p. 13 · Figure S12 · Figure S12
Visible Figure S13 capacitance fit equations for Co	40 cycles: KCl C = 0.003 v^-1/2 + 0.087, IL C = 0.008 v^-1/2 + 0.011; 60 cycles: KCl C = 0.004 v^-1/2 + 0.14, IL C = 0.013 v^-1/2 + 0.011; 80 cycles: KCl C = 0.01 v^-1/2 + 0.19, IL C = 0.014 v^-1/2 + 0.019; 100 cycles: KCl C = 0.016 v^-1/2 + 0.24, IL C = 0.016 v^-1/2 + 0.024; 150 cycles: KCl C = 0.029 v^-1/2 + 0.31, IL C = 0.02 v^-1/2 + 0.027	—	—	Figure Axis Rounded Reported	SI p. 14 · Figure S13 · Figure S13