Measurement evidence
A Pyrazine-Based 2D Conductive Metal-Organic Framework for Efficient Lithium Storage† · Sun X., Yan X., Song K. et al. · Chinese Journal of Chemistry · 2023 · 1691-1696
Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.
Conductive carbon black control electrode · Electrode
CV at 0.2 mV s-1 and capacity contribution at 20 mA g-1.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Conductive carbon black capacity contribution | 7.0 mAh g-1 at 20 mAh g-1 | — | — | Text Exact Reported | p004 / 1694 · Measurement of electrochemical performance · Figure S19 |
TPQG-Cu-MOF composite cathode on carbon-coated aluminium foil · Electrode
R2032 cell with Li metal counter electrode, Celgard 2325 separator, 1 mol/L LiTFSI in DOL/DME 1:1; CV window 1.3-3.8 V vs Li/Li+ at 0.2 mV s-1; GCD at 20 mAh g-1.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Active material loading upper bound | about 1.2 mg cm-2 | — | — | Text Range | p005 / 1695 · Experimental: The preparation of half-cell |
| Active material loading lower bound | about 1.0 mg cm-2 | — | — | Text Range | p005 / 1695 · Experimental: The preparation of half-cell |
| Open circuit potential | 3.25 V | — | — | Text Exact Reported | p003 / 1693 · Measurement of electrochemical performance · Figure 2a |
| Second-cycle Coulombic efficiency | 96.38% | — | — | Text Exact Reported | p003 / 1693 · Measurement of electrochemical performance · Figure 2b |
| Second-cycle charge capacity at 20 mAh g-1 | 154.6 mAh g-1 | — | — | Text Exact Reported | p003 / 1693 · Measurement of electrochemical performance · Figure 2b |
| Second-cycle discharge capacity at 20 mAh g-1 | 149.0 mAh g-1 | — | — | Text Exact Reported | p003 / 1693 · Measurement of electrochemical performance · Figure 2b |
| Third-cycle Coulombic efficiency | 97.46% | — | — | Text Exact Reported | p003 / 1693 · Measurement of electrochemical performance · Figure 2b |
| Third-cycle charge capacity at 20 mAh g-1 | 153.7 mAh g-1 | — | — | Text Exact Reported | p003 / 1693 · Measurement of electrochemical performance · Figure 2b |
| Third-cycle discharge capacity at 20 mAh g-1 | 149.8 mAh g-1 | — | — | Text Exact Reported | p003 / 1693 · Measurement of electrochemical performance · Figure 2b |
TPQG-Cu-MOF composite cathode on carbon-coated aluminium foil · Electrode
Cycling evaluated at 20 mAh g-1 for 50 cycles and 1 A g-1 for 500 cycles.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Capacity attenuation rate during 1 A g-1 cycling | 0.035% per cycle | — | — | Text Exact Reported | p004 / 1694 · Measurement of electrochemical performance · Figure 2f |
| Capacity after 500 cycles at 1 A g-1 | 79.3 mAh g-1 | — | — | Text Exact Reported | p005 / 1695 · Conclusions · Figure 2f |
| Coulombic efficiency during 1 A g-1 long cycling | about 100% | — | — | Text Approximate | p004 / 1694 · Measurement of electrochemical performance · Figure 2f |
| Capacity retention after 500 cycles at 1 A g-1 | 82.6% | — | — | Text Exact Reported | p001,p005 / 1691,1695 · Comprehensive Summary; Conclusions · Figure 2f |
| Capacity after 50 cycles at 20 mAh g-1 | 135.7 mAh g-1 | — | — | Text Exact Reported | p004 / 1694 · Measurement of electrochemical performance · Figure 2e |
| Capacity retention after 50 cycles at 20 mAh g-1 | 91.1% | — | — | Text Exact Reported | p004 / 1694 · Measurement of electrochemical performance · Figure 2e |
TPQG-Cu-MOF composite cathode on carbon-coated aluminium foil · Electrode
CVs measured at scan rates 0.1-1 mV s-1; log(i) vs log(v) slopes and capacitive contributions reported.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Capacitive contribution at 0.1 mV s-1 | 76.06% | — | — | Text Exact Reported | p016 / S15 · Section S4 · Figure S20 |
| Capacitive contribution at 0.2 mV s-1 | 87.03% | — | — | Text Exact Reported | p016 / S15 · Section S4 · Figure S20 |
| Capacitive contribution at 0.3 mV s-1 | 91.98% | — | — | Text Exact Reported | p016 / S15 · Section S4 · Figure S20 |
| Capacitive contribution at 0.4 mV s-1 | 92.22% | — | — | Text Exact Reported | p016 / S15 · Section S4 · Figure S20 |
| Capacitive contribution at 0.5 mV s-1 | 95.54% | — | — | Text Exact Reported | p016 / S15 · Section S4 · Figure S20 |
| Capacitive contribution at 0.6 mV s-1 | 97.02% | — | — | Text Exact Reported | p016 / S15 · Section S4 · Figure S20 |
| Capacitive contribution at 0.8 mV s-1 | 97.03% | — | — | Text Exact Reported | p016 / S15 · Section S4 · Figure S20 |
| Capacitive contribution at 1.0 mV s-1Marked as a best value within this paper | 98.5% | — | — | Text Exact Reported | p016 / S15 · Section S4 · Figure S20 |
| Dunn b value for Peak 1 | 0.77 | — | — | Text Exact Reported | p015 / S14 · Section S4 · Figure S20 |
| Dunn b value for Peak 2 | about 1 | — | — | Text Approximate | p015 / S14 · Section S4 · Figure S20 |
| Dunn b value for Peak 3 | about 1 | — | — | Text Approximate | p015 / S14 · Section S4 · Figure S20 |
TPQG-Cu-MOF composite cathode on carbon-coated aluminium foil · Electrode
Frequency 1000000 to 0.01 Hz, 0.5 mV amplitude at 25 C; before cycle and after 200 cycles.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Rct after 200 cycles | 25.52 ohm | — | — | SI Table Exact Reported | p015 / S14 · Section S4 · Table S2 |
| Rct before cycling | 87.79 ohm | — | — | SI Table Exact Reported | p015 / S14 · Section S4 · Table S2 |
| Rs after 200 cycles | 11.63 ohm | — | — | SI Table Exact Reported | p015 / S14 · Section S4 · Table S2 |
| Rs before cycling | 16.17 ohm | — | — | SI Table Exact Reported | p015 / S14 · Section S4 · Table S2 |
TPQG-Cu-MOF composite cathode on carbon-coated aluminium foil · Electrode
Discharge capacities measured at current densities from 0.02 to 2 A g-1, then returned to 20 mAh g-1.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Discharge capacity at 0.02 A g-1Marked as a best value within this paper | 150.2 mAh g-1 | — | — | Text Exact Reported | p003 / 1693 · Measurement of electrochemical performance · Figure 2c,d |
| Discharge capacity at 0.05 A g-1 | 139.7 mAh g-1 | — | — | Text Exact Reported | p003 / 1693 · Measurement of electrochemical performance · Figure 2c,d |
| Discharge capacity at 0.1 A g-1 | 127.2 mAh g-1 | — | — | Text Exact Reported | p003 / 1693 · Measurement of electrochemical performance · Figure 2c,d |
| Discharge capacity at 0.2 A g-1 | 118.7 mAh g-1 | — | — | Text Exact Reported | p003 / 1693 · Measurement of electrochemical performance · Figure 2c,d |
| Discharge capacity at 0.4 A g-1 | 114.6 mAh g-1 | — | — | Text Exact Reported | p003 / 1693 · Measurement of electrochemical performance · Figure 2c,d |
| Discharge capacity at 0.8 A g-1 | 111.9 mAh g-1 | — | — | Text Exact Reported | p003 / 1693 · Measurement of electrochemical performance · Figure 2c,d |
| Discharge capacity at 1 A g-1 | 107.0 mAh g-1 | — | — | Text Exact Reported | p003 / 1693 · Measurement of electrochemical performance · Figure 2c,d |
| Discharge capacity at 2 A g-1 | 96.4 mAh g-1 | — | — | Text Exact Reported | p003 / 1693 · Measurement of electrochemical performance · Figure 2c,d |
| Capacity retention at 2 A g-1 | 63.2% | — | — | Text Exact Reported | p003 / 1693 · Measurement of electrochemical performance · Figure 2c |
| Maintained discharge capacity after rate recovery | 165.7 mAh g-1 | — | — | Text Exact Reported | p003 / 1693 · Measurement of electrochemical performance · Figure 2c |
| Capacity recovery when returned to 20 mAh g-1 | 96.5% of initial capacity | — | — | Text Exact Reported | p003 / 1693 · Measurement of electrochemical performance · Figure 2c |