Measurement evidence
Conductive Metal-Organic Framework with Superior Redox Activity as a Stable High-Capacity Anode for High-Temperature K-Ion Batteries · Yang M., Zeng X., Xie M. et al. · Journal of the American Chemical Society · 2024 · 6753-6762
Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.
HAN-Cu-MOF KIB anode film · Electrode
0 degC; 50 mA g-1; potassium metal counter electrode; 5 M KFSI in EC:EMC 1:1
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| cycling capacity at 0 degC | 170 mAh g-1 after 100 cycles at 50 mA g-1 | — | — | Text Exact Reported | 6758 · Results and Discussion · Figure S27b |
HAN-Cu-MOF KIB anode film · Electrode
25 degC; potassium metal counter electrode; 5 M KFSI in EC:EMC 1:1
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| cycling capacity at 25 degC, 500 mA g-1Marked as a best value within this paper | 187 mAh g-1 after over 2000 cycles | — | over 2000 cycles | Text Exact Reported | 6757-6758 · Results and Discussion · Figure S25; Table S2 |
| capacity retention at 25 degC, 500 mA g-1Marked as a best value within this paper | around 100%; Table S2 >99% | — | > | SI Table Range | S43 · Table S2 · Table S2 |
| initial Coulombic efficiency at 25 degC | 44.4% | — | — | Text Exact Reported | 6757 · Results and Discussion · Figure S21 |
| initial reversible capacity at 25 degC | 308.7 mAh g-1 at 50 mA g-1 | — | — | Text Exact Reported | 6757 · Results and Discussion · Figure S21 |
| rate capacity at 25 degC, 2000 mA g-1 | 158.2 mAh g-1 at 2000 mA g-1 | — | — | Text Exact Reported | 6757 · Results and Discussion · Figure S24 |
| HAN control capacity at 25 degC | 114 mAh g-1 at 50 mA g-1 | — | — | Text Exact Reported | 6757 · Results and Discussion · Figure S23 |
HAN-Cu-MOF KIB anode film · Electrode
45 degC; potassium metal counter electrode; 5 M KFSI in EC:EMC 1:1
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| cycling capacity at 45 degC, 1000 mA g-1Marked as a best value within this paper | 182 mAh g-1 after 1800 cycles | — | — | Text Exact Reported | 6758 · Results and Discussion · Figure 3e |
| capacity retention at 45 degC, 1000 mA g-1Marked as a best value within this paper | around 100% | — | around | Text Approximate | 6758 · Results and Discussion · Figure 3e |
| cycling capacity at 45 degC, 50 mA g-1 | 311.7 mAh g-1 after 50 cycles | — | — | Text Exact Reported | 6758 · Results and Discussion · Figure 3c |
| initial Coulombic efficiency at 45 degC | 47.4% | — | — | Text Exact Reported | 6757 · Results and Discussion · Figure 3a |
| initial reversible capacity at 45 degC | 393 mAh g-1 at 50 mA g-1 | — | — | Text Exact Reported | 6757 · Results and Discussion · Figure 3a |
| rate capacity at 45 degC, 2000 mA g-1 | 148 mAh g-1 at 2000 mA g-1 | — | — | Text Exact Reported | 6758 · Results and Discussion · Figure 3b |
| rate capacity at 45 degC, 30 mA g-1 | 409 mAh g-1 at 30 mA g-1 | — | — | Text Exact Reported | 6758 · Results and Discussion · Figure 3b |
| CV b value cathodic peak at 45 degC | 0.82 | — | — | Text Exact Reported | 6758 · Results and Discussion · Figure S30 |
| capacitive contribution range at 45 degC | 53 to 71% for scan rates 0.2 to 1.0 mV s-1 | — | range | Text Range | 6758 · Results and Discussion · Figure S30c |
HAN-Cu-MOF KIB anode film · Electrode
60 degC; potassium metal counter electrode; 5 M KFSI in EC:EMC 1:1; current densities 30-5000 mA g-1
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| cycling capacity at 60 degC, 1000 mA g-1Marked as a best value within this paper | 202.4 mAh g-1 after 1600 cycles | — | — | Text Exact Reported | 6756 · Results and Discussion · Figure 2f; Table S1 |
| capacity retention at 60 degC, 1000 mA g-1Marked as a best value within this paper | 96.7% | — | — | Text Exact Reported | 6756 · Results and Discussion · Figure 2f; Table S1 |
| cycling capacity at 60 degC, 500 mA g-1Marked as a best value within this paper | 238 mAh g-1 after 1000 cycles | — | — | Text Exact Reported | 6756 · Results and Discussion · Figure 2e |
| capacity retention at 60 degC, 500 mA g-1Marked as a best value within this paper | 95.8% | — | — | Text Exact Reported | 6756 · Results and Discussion · Figure 2e; Table S1 |
| cycling capacity at 60 degC, 50 mA g-1 | 351 mAh g-1 after 50 cycles | — | — | Text Exact Reported | 6756 · Results and Discussion · Figure 2d |
| initial reversible specific capacity at 60 degCMarked as a best value within this paper | 455 mAh g-1 at 50 mA g-1 | — | — | Text Exact Reported | 6756 · Results and Discussion · Figure 2a |
| initial Coulombic efficiency at 60 degC | 42.7% | — | — | Text Exact Reported | 6756 · Results and Discussion · Figure 2a |
| rate capacity at 60 degC, 2000 mA g-1Marked as a best value within this paper | 161 mAh g-1 at 2000 mA g-1 | — | — | Text Exact Reported | 6756 · Results and Discussion · Figure 2b |
| rate capacity at 60 degC, 30 mA g-1 | 462 mAh g-1 at 30 mA g-1 | — | — | Text Exact Reported | 6756 · Results and Discussion · Figure 2b |
| rate capacity at 60 degC, 5000 mA g-1 | 102 mAh g-1 at 5000 mA g-1 | — | — | Text Exact Reported | 6756 · Results and Discussion · Figure 2b |
| CV b value anodic peak at 60 degC | 0.94 | — | — | Text Exact Reported | 6758 · Results and Discussion · Figure 4a |
| CV b value cathodic peak at 60 degC | 0.91 | — | — | Text Exact Reported | 6758 · Results and Discussion · Figure 4a |
| capacitive contribution range at 60 degC | 58 to 76% for scan rates 0.2 to 1.0 mV s-1 | — | range | Text Range | 6758 · Results and Discussion · Figure 4b; Figure S29 |
| first-cycle irreversible CV reduction peak | 0.97 V | — | — | Text Exact Reported | 6756 · Results and Discussion · Figure S16a |
| HAN control reversible capacity at 60 degC | 120.8 mAh g-1 at 50 mA g-1 | — | — | Text Exact Reported | 6756 · Results and Discussion · Figures 2a and S15 |
| HAN-6OH control capacity | 121.4 mAh g-1 after 100 cycles at 1000 mA g-1 | — | — | Text Exact Reported | 6756 · Results and Discussion · Figure S20 |
| HAN-6OH control capacity retention | 41.9% after 100 cycles at 1000 mA g-1 | — | — | Text Exact Reported | 6756 · Results and Discussion · Figure S20 |
| charge transfer resistance at 60 degCMarked as a best value within this paper | 99 ohm for HAN-Cu-MOF; 195 ohm for HAN | — | — | Text Exact Reported | 6756 · Results and Discussion · Figure 2c |
HAN-Cu-MOF KIB anode film · Electrode
Potassiation at 60 degC; electrolyte immersion in 5 M KFSI EC/EMC; solvent/acid/base exposure; post-cycling EIS after 1500 cycles
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| electrode thickness before potassiation | 28.3 um | — | — | Text Exact Reported | 6758 · Results and Discussion · Figure 4c,d |
| charge transfer resistance after 1500 cycles | 178 ohm after 1500 cycles at 1000 mA g-1 and 60 degC | — | — | Text Exact Reported | 6758 · Results and Discussion · Figure 4h |
| charge transfer resistance before long cycling | 123 ohm | — | — | Text Exact Reported | 6758 · Results and Discussion · Figure 4h |
| electrolyte solubility after 30 days at 60 degCMarked as a best value within this paper | no obvious dissolution | — | — | Text Qualitative | 6758 · Results and Discussion · Figure 4e; Figure S31 |
| volumetric expansion after potassiationMarked as a best value within this paper | approximately 31.4% | — | approximately | Text Approximate | 6758 · Results and Discussion · Figure 4c,d |