Electrochemistry Application — Coarsening-induced hierarchically interconnected porous carbon polyhedrons for stretchable ionogel-based supercapacitors

7 measurement groups · 44 results

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

CV and galvanostatic charge-discharge in symmetric coin cells

Voltammetry Galvanostatic cycling

HIC · Electrode

[EMI][BF4] liquid electrolyte; 0-4 V; CV 10-200 mV s-1; GCD 0.5-50 A g-1; 25 degC per SI.

Temperature: 298
Atmosphere: Ar glovebox assembly; electrochemical test atmosphere not separately stated
Geometry: CR2032 symmetric coin cell; carbon paper electrodes
Context: activated MOF-derived carbon active material in composite electrode
Measurement source: p005 / journal page 384 · Results and discussion · Figure 3a-c; Table S2 referenced

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
coin-cell CV potential window	0-4 V	—	—	Text Exact Reported	SI Method · Electrochemical Characterization of symmetric coin cells
HIC specific capacitance at 0.5 A g-1Marked as a best value within this paper	268.4 F g-1 at 0.5 A g-1	—	—	SI Table Exact Reported	SI p007 · Supplementary Table · Table S2
HIC specific capacitance at 10 A g-1	192 F g-1 at 10 A g-1	—	—	SI Table Exact Reported	SI p007 · Supplementary Table · Table S2
HIC specific capacitance at 1 A g-1	247.2 F g-1 at 1 A g-1	—	—	SI Table Exact Reported	SI p007 · Supplementary Table · Table S2
HIC specific capacitance at 20 A g-1	171 F g-1 at 20 A g-1	—	—	SI Table Exact Reported	SI p007 · Supplementary Table · Table S2
HIC specific capacitance at 2 A g-1	229.8 F g-1 at 2 A g-1	—	—	SI Table Exact Reported	SI p007 · Supplementary Table · Table S2
HIC specific capacitance at 50 A g-1	135 F g-1 at 50 A g-1	—	—	SI Table Exact Reported	SI p007 · Supplementary Table · Table S2
HIC specific capacitance at 5 A g-1	209.8 F g-1 at 5 A g-1	—	—	SI Table Exact Reported	SI p007 · Supplementary Table · Table S2
HIC rate retention at 50 A g-1 vs 1 A g-1Marked as a best value within this paper	54.6% (1 vs 50 A g-1)	—	—	SI Table Exact Reported	SI p007 · Supplementary Table · Table S2
HIC capacitance in IL-based EDLC comparison tableMarked as a best value within this paper	268.4 F g-1 @ 1 A g-1	—	—	SI Table Exact Reported	SI p008 · Supplementary Table · Table S3
HIC voltage window in IL-based EDLC comparison tableMarked as a best value within this paper	0-4.0 V	—	—	SI Table Exact Reported	SI p008 · Supplementary Table · Table S3

CV and galvanostatic charge-discharge in symmetric coin cells

Voltammetry Galvanostatic cycling

MMC · Electrode

[EMI][BF4] liquid electrolyte; 0-4 V; CV 10-200 mV s-1; GCD 0.5-50 A g-1; 25 degC per SI.

Temperature: 298
Atmosphere: Ar glovebox assembly; electrochemical test atmosphere not separately stated
Geometry: CR2032 symmetric coin cell; carbon paper electrodes
Context: activated MOF-derived carbon active material in composite electrode
Measurement source: p005 / journal page 384 · Results and discussion · Figure 3a-c; Table S2 referenced

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
MMC specific capacitance at 0.5 A g-1	166.7 F g-1 at 0.5 A g-1	—	—	SI Table Exact Reported	SI p007 · Supplementary Table · Table S2
MMC specific capacitance at 10 A g-1	112 F g-1 at 10 A g-1	—	—	SI Table Exact Reported	SI p007 · Supplementary Table · Table S2
MMC specific capacitance at 1 A g-1	156.8 F g-1 at 1 A g-1	—	—	SI Table Exact Reported	SI p007 · Supplementary Table · Table S2
MMC specific capacitance at 20 A g-1	95 F g-1 at 20 A g-1	—	—	SI Table Exact Reported	SI p007 · Supplementary Table · Table S2
MMC specific capacitance at 2 A g-1	136.5 F g-1 at 2 A g-1	—	—	SI Table Exact Reported	SI p007 · Supplementary Table · Table S2
MMC specific capacitance at 50 A g-1	62.5 F g-1 at 50 A g-1	—	—	SI Table Exact Reported	SI p007 · Supplementary Table · Table S2
MMC specific capacitance at 5 A g-1	124 F g-1 at 5 A g-1	—	—	SI Table Exact Reported	SI p007 · Supplementary Table · Table S2
MMC rate retention at 50 A g-1 vs 1 A g-1	39.8% (1 vs 50 A g-1)	—	—	SI Table Exact Reported	SI p007 · Supplementary Table · Table S2

CV and galvanostatic charge-discharge in symmetric coin cells

Voltammetry Galvanostatic cycling

NIC · Electrode

[EMI][BF4] liquid electrolyte; 0-4 V; CV 10-200 mV s-1; GCD 0.5-50 A g-1; 25 degC per SI.

Temperature: 298
Atmosphere: Ar glovebox assembly; electrochemical test atmosphere not separately stated
Geometry: CR2032 symmetric coin cell; carbon paper electrodes
Context: activated MOF-derived carbon active material in composite electrode
Measurement source: p005 / journal page 384 · Results and discussion · Figure 3a-c; Table S2 referenced

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
NIC specific capacitance at 0.5 A g-1	212.5 F g-1 at 0.5 A g-1	—	—	SI Table Exact Reported	SI p007 · Supplementary Table · Table S2
NIC specific capacitance at 10 A g-1	151 F g-1 at 10 A g-1	—	—	SI Table Exact Reported	SI p007 · Supplementary Table · Table S2
NIC specific capacitance at 1 A g-1	198.2 F g-1 at 1 A g-1	—	—	SI Table Exact Reported	SI p007 · Supplementary Table · Table S2
NIC specific capacitance at 20 A g-1	132 F g-1 at 20 A g-1	—	—	SI Table Exact Reported	SI p007 · Supplementary Table · Table S2
NIC specific capacitance at 2 A g-1	184.8 F g-1 at 2 A g-1	—	—	SI Table Exact Reported	SI p007 · Supplementary Table · Table S2
NIC specific capacitance at 50 A g-1	95 F g-1 at 50 A g-1	—	—	SI Table Exact Reported	SI p007 · Supplementary Table · Table S2
NIC specific capacitance at 5 A g-1	167 F g-1 at 5 A g-1	—	—	SI Table Exact Reported	SI p007 · Supplementary Table · Table S2
NIC rate retention at 50 A g-1 vs 1 A g-1	48% (1 vs 50 A g-1)	—	—	SI Table Exact Reported	SI p007 · Supplementary Table · Table S2

Ragone analysis and cycling stability

HIC · Electrode

Energy/power density calculated from GCD; long-term cycling at 5 A g-1 reported for HIC.

Temperature: 298
Geometry: CR2032 symmetric coin cell
Context: activated MOF-derived carbon active material in composite electrode
Measurement source: p005 / journal page 384 · Results and discussion · Figure 3d-e; Table S4 referenced

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
HIC capacitance retention after 10000 cyclesMarked as a best value within this paper	98% after 10,000 cycles at 5 A g-1	—	—	Text Exact Reported	p005 / journal page 384 · Results and discussion · Figure 3e
HIC energy density at maximum power	75 Wh kg-1	—	—	Text Exact Reported	p005 / journal page 384 · Results and discussion · Figure 3d
HIC gravimetric energy densityMarked as a best value within this paper	149 Wh kg-1	—	—	SI Table Exact Reported	SI p009 · Supplementary Table · Table S4
HIC maximum power densityMarked as a best value within this paper	50000 W kg-1	—	—	SI Table Exact Reported	SI p009 · Supplementary Table · Table S4
HIC cycling stability in IL-based EDLC comparison tableMarked as a best value within this paper	98% after 10000 cycles @ 5 A g-1	—	—	SI Table Exact Reported	SI p008 · Supplementary Table · Table S3

Ragone analysis and cycling stability

MMC · Electrode

Energy/power density calculated from GCD; long-term cycling at 5 A g-1 reported for HIC.

Temperature: 298
Geometry: CR2032 symmetric coin cell
Context: activated MOF-derived carbon active material in composite electrode
Measurement source: p005 / journal page 384 · Results and discussion · Figure 3d-e; Table S4 referenced

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
MMC gravimetric energy density	92.6 Wh kg-1	—	—	Text Exact Reported	p005 / journal page 384 · Results and discussion · Figure 3d

Ragone analysis and cycling stability

NIC · Electrode

Energy/power density calculated from GCD; long-term cycling at 5 A g-1 reported for HIC.

Temperature: 298
Geometry: CR2032 symmetric coin cell
Context: activated MOF-derived carbon active material in composite electrode
Measurement source: p005 / journal page 384 · Results and discussion · Figure 3d-e; Table S4 referenced

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
NIC gravimetric energy density	116.5 Wh kg-1	—	—	Text Exact Reported	p005 / journal page 384 · Results and discussion · Figure 3d

CV, GCD, strain-dependent capacitance and Ragone analysis of stretchable all-solid-state SC

Voltammetry Galvanostatic cycling

stretchable HIC-based SC · Electrode

P(VDF-HFP)/[EMI][TFSI] ionogel; CV 50-500 mV s-1; GCD 0.4-4 mA cm-2; external tensile strains 0-120%; measurements in air per SI.

Atmosphere: air
Geometry: current-collector-free stretchable sandwich device
Context: HIC/SWCNT/Super-P/P(VDF-HFP) composite electrodes with HIC active carbon
Measurement source: p006 / journal page 385 · Results and discussion · Figure 4; Figure S16/Table S6 referenced

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
stretchable HIC SC areal capacitance at 0.4 mA cm-2Marked as a best value within this paper	33 mF cm-2 at 0.4 mA cm-2	—	—	Text Exact Reported	p007 / journal page 386 · Results and discussion · Figure S16c referenced
stretchable HIC SC areal capacitance at 4 mA cm-2	17 mF cm-2 at 4 mA cm-2	—	—	Text Exact Reported	p007 / journal page 386 · Results and discussion · Figure S16c referenced
stretchable HIC SC areal energy densityMarked as a best value within this paper	0.041 mWh cm-2	—	—	SI Table Exact Reported	SI p010 · Supplementary Table · Table S6
stretchable HIC SC energy density at high power	0.022 mWh cm-2 at 7.06 mW cm-2	—	—	Text Exact Reported	p007 / journal page 386 · Results and discussion · Figure 4f; Table S6
stretchable HIC SC high-current capacitance retention	53% at 4 mA cm-2	—	—	Text Exact Reported	p007 / journal page 386 · Results and discussion · Figure S16c referenced
stretchable HIC SC high power densityMarked as a best value within this paper	7.06 mW cm-2	—	—	Text Exact Reported	p007 / journal page 386 · Results and discussion · Figure 4f; Table S6
maximum demonstrated tensile strainMarked as a best value within this paper	120% strain	—	—	Caption Exact Reported	p006 / journal page 385 · Figure caption · Figure 4b-d
power density at 0.041 mWh cm-2	0.68 mW cm-2	—	—	Text Exact Reported	p007 / journal page 386 · Results and discussion · Figure 4f; Table S6
stretchable HIC SC power-density rangeMarked as a best value within this paper	0.68-7.06 mW cm-2	—	—	SI Table Range	SI p010 · Supplementary Table · Table S6
capacitance retention at 120% strainMarked as a best value within this paper	95% at 120% strain	—	—	Text Exact Reported	p007 / journal page 386 · Results and discussion · Figure 4c