Measurement evidence
Supramolecular Host-Guest Assembly Based on Phosphotungstate Nanostructures for Pseudocapacitive and Electrochemical Sensing Applications · Yang A.-S., Cui L.-P., Yu K. et al. · ACS Applied Nano Materials · 2022 · 10452-10461
Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.
1-GCE · Electrode
0.5 M H2SO4, three-electrode system, 20-200 mV s-1; voltage window -0.65 to 0.50 V.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| number of reversible redox peak pairs | three pairs | 3 pairs | — | Text Exact Reported | 10454 (PDF p.3) · Capacitive Properties · Figure 3b |
2-CPE · Electrode
0.5 M H2SO4, 10-100 mV s-1, voltage window -0.6 to 0.5 V; b-value and pseudocapacitive contribution analysis.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Dunn b value at 0.16 V | 0.93 | 0.93 | — | Text Rounded Reported | 10456 (PDF p.5) · Capacitive Properties · Figure 5c |
| Dunn b value at 0.38 V | 0.95 | 0.95 | — | Text Rounded Reported | 10456 (PDF p.5) · Capacitive Properties · Figure 5c |
| pseudocapacitance contribution at 100 mV s-1Marked as a best value within this paper | 89.3% | 89.3 % | — | Text Exact Reported | 10456 (PDF p.5) · Capacitive Properties · Figure 5d |
2-GCE · Electrode
0.5 M H2SO4, three-electrode system, 20-200 mV s-1; voltage window -0.65 to 0.60 V.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| number of reversible redox peak pairsMarked as a best value within this paper | five pairs | 5 pairs | — | Text Exact Reported | 10454 (PDF p.3) · Capacitive Properties · Figure 3c |
| CV area/capacitance order at 20 mV s-1Marked as a best value within this paper | 2-GCE > 1-GCE > {P2W18O62}-GCE | — | — | Text Qualitative | 10455 (PDF p.4) · Capacitive Properties · Figure 3d |
{P2W18O62}-GCE · Electrode
0.5 M H2SO4, three-electrode system, 20-200 mV s-1; voltage window -0.65 to 0.50 V.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| number of reversible redox peak pairs | three pairs | 3 pairs | — | Text Exact Reported | 10454 (PDF p.3) · Capacitive Properties · Figure 3a |
1-CPE · Electrode
Carbon paper electrodes; current densities 3, 6, 9, 12 and 15 A g-1.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| specific capacitance at 12 A g-1 | 345.3 F g-1 | 345.3 F g-1 | — | Text Exact Reported | 10456 (PDF p.5) · Capacitive Properties · Figure 5f |
| specific capacitance at 15 A g-1 | 336.0 F g-1 | 336 F g-1 | — | Text Exact Reported | 10456 (PDF p.5) · Capacitive Properties · Figure 5f |
| specific capacitance at 3 A g-1 | 394.4 F g-1 | 394.4 F g-1 | — | Text Exact Reported | 10456 (PDF p.5) · Capacitive Properties · Figure 5f |
| specific capacitance at 6 A g-1 | 371.3 F g-1 | 371.3 F g-1 | — | Text Exact Reported | 10456 (PDF p.5) · Capacitive Properties · Figure 5f |
| specific capacitance at 9 A g-1 | 358.6 F g-1 | 358.6 F g-1 | — | Text Exact Reported | 10456 (PDF p.5) · Capacitive Properties · Figure 5f |
1-GCE · Electrode
0.5 M H2SO4; current densities 3, 6, 9, 12 and 15 A g-1.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| specific capacitance at 12 A g-1 | 378.2 F g-1 | 378.2 F g-1 | — | Text Exact Reported | 10455 (PDF p.4) · Capacitive Properties · Figure 4d |
| specific capacitance at 15 A g-1 | 351.3 F g-1 | 351.3 F g-1 | — | Text Exact Reported | 10455 (PDF p.4) · Capacitive Properties · Figure 4d |
| specific capacitance at 3 A g-1 | 439.3 F g-1 | 439.3 F g-1 | — | Text Exact Reported | 10455 (PDF p.4) · Capacitive Properties · Figure 4d |
| specific capacitance at 6 A g-1 | 415.1 F g-1 | 415.1 F g-1 | — | Text Exact Reported | 10455 (PDF p.4) · Capacitive Properties · Figure 4d |
| specific capacitance at 9 A g-1 | 397.8 F g-1 | 397.8 F g-1 | — | Text Exact Reported | 10455 (PDF p.4) · Capacitive Properties · Figure 4d |
| capacitance retention after 5000 cycles at 3 A g-1 | 83.5% | 83.5 % | — | Text Exact Reported | 10455 (PDF p.4) · Capacitive Properties · Figure 4e |
| SI Table S5 comparison specific capacitance for compound 1 | 567.3 F g-1 at 3 A g-1 | 567.3 F g-1 | — | SI Table Exact Reported | S13 · Structural data · Table S5 |
2-CPE · Electrode
Carbon paper electrodes; current densities 3, 6, 9, 12 and 15 A g-1; 5000-cycle test at 3 A g-1.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| specific capacitance at 12 A g-1Marked as a best value within this paper | 707.4 F g-1 | 707.4 F g-1 | — | Text Exact Reported | 10456 (PDF p.5) · Capacitive Properties · Figure 5f |
| specific capacitance at 15 A g-1Marked as a best value within this paper | 694.7 F g-1 | 694.7 F g-1 | — | Text Exact Reported | 10456 (PDF p.5) · Capacitive Properties · Figure 5f |
| specific capacitance at 3 A g-1Marked as a best value within this paper | 752.1 F g-1 | 752.1 F g-1 | — | Text Exact Reported | 10456 (PDF p.5) · Capacitive Properties · Figure 5f |
| specific capacitance at 6 A g-1Marked as a best value within this paper | 731.0 F g-1 | 731 F g-1 | — | Text Exact Reported | 10456 (PDF p.5) · Capacitive Properties · Figure 5f |
| specific capacitance at 9 A g-1Marked as a best value within this paper | 720.2 F g-1 | 720.2 F g-1 | — | Text Exact Reported | 10456 (PDF p.5) · Capacitive Properties · Figure 5f |
| capacitance retention after 5000 cycles at 3 A g-1Marked as a best value within this paper | 94.8% | 94.8 % | — | Text Exact Reported | 10457 (PDF p.6) · Capacitive Properties · Figure 5g |
2-GCE · Electrode
0.5 M H2SO4; current densities 3, 6, 9, 12 and 15 A g-1.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| specific capacitance at 12 A g-1Marked as a best value within this paper | 730.6 F g-1 | 730.6 F g-1 | — | Text Exact Reported | 10455 (PDF p.4) · Capacitive Properties · Figure 4d |
| specific capacitance at 15 A g-1Marked as a best value within this paper | 709.5 F g-1 | 709.5 F g-1 | — | Text Exact Reported | 10455 (PDF p.4) · Capacitive Properties · Figure 4d |
| specific capacitance at 3 A g-1Marked as a best value within this paper | 802.4 F g-1 | 802.4 F g-1 | — | Text Exact Reported | 10455 (PDF p.4) · Capacitive Properties · Figure 4d |
| specific capacitance at 6 A g-1Marked as a best value within this paper | 774.3 F g-1 | 774.3 F g-1 | — | Text Exact Reported | 10455 (PDF p.4) · Capacitive Properties · Figure 4d |
| specific capacitance at 9 A g-1Marked as a best value within this paper | 751.5 F g-1 | 751.5 F g-1 | — | Text Exact Reported | 10455 (PDF p.4) · Capacitive Properties · Figure 4d |
| capacitance retention after 5000 cycles at 3 A g-1Marked as a best value within this paper | 93.6% | 93.6 % | — | Text Exact Reported | 10455 (PDF p.4) · Capacitive Properties · Figure 4e |
| SI Table S5 comparison specific capacitance for compound 2Marked as a best value within this paper | 802.4 F g-1 at 3 A g-1 | 802.4 F g-1 | — | SI Table Exact Reported | S13 · Structural data · Table S5 |
{P2W18O62}-CPE · Electrode
Carbon paper electrodes; current densities 3, 6, 9, 12 and 15 A g-1.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| specific capacitance at 12 A g-1 | 229.4 F g-1 | 229.4 F g-1 | — | Text Exact Reported | 10456 (PDF p.5) · Capacitive Properties · Figure 5f |
| specific capacitance at 15 A g-1 | 218.5 F g-1 | 218.5 F g-1 | — | Text Exact Reported | 10456 (PDF p.5) · Capacitive Properties · Figure 5f |
| specific capacitance at 3 A g-1 | 276.2 F g-1 | 276.2 F g-1 | — | Text Exact Reported | 10456 (PDF p.5) · Capacitive Properties · Figure 5f |
| specific capacitance at 6 A g-1 | 259.3 F g-1 | 259.3 F g-1 | — | Text Exact Reported | 10456 (PDF p.5) · Capacitive Properties · Figure 5f |
| specific capacitance at 9 A g-1 | 244.6 F g-1 | 244.6 F g-1 | — | Text Exact Reported | 10456 (PDF p.5) · Capacitive Properties · Figure 5f |
{P2W18O62}-GCE · Electrode
0.5 M H2SO4; current densities 3, 6, 9, 12 and 15 A g-1.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| specific capacitance at 12 A g-1 | 237.8 F g-1 | 237.8 F g-1 | — | Text Exact Reported | 10455 (PDF p.4) · Capacitive Properties · Figure 4d |
| specific capacitance at 15 A g-1 | 224.3 F g-1 | 224.3 F g-1 | — | Text Exact Reported | 10455 (PDF p.4) · Capacitive Properties · Figure 4d |
| specific capacitance at 3 A g-1 | 326.1 F g-1 | 326.1 F g-1 | — | Text Exact Reported | 10455 (PDF p.4) · Capacitive Properties · Figure 4d |
| specific capacitance at 6 A g-1 | 274.4 F g-1 | 274.4 F g-1 | — | Text Exact Reported | 10455 (PDF p.4) · Capacitive Properties · Figure 4d |
| specific capacitance at 9 A g-1 | 251.3 F g-1 | 251.3 F g-1 | — | Text Exact Reported | 10455 (PDF p.4) · Capacitive Properties · Figure 4d |
| capacitance retention after 5000 cycles at 3 A g-1 | 74.2% | 74.2 % | — | Text Exact Reported | 10455 (PDF p.4) · Capacitive Properties · Figure 4e |
| SI Table S5 comparison specific capacitance for alpha-K6[P2W18O62].14H2O | 326.1 F g-1 at 3 A g-1 | 326.1 F g-1 | — | SI Table Exact Reported | S13 · Structural data · Table S5 |