Measurement evidence
Atomic Ruthenium-Riveted Metal-Organic Framework with Tunable d-Band Modulates Oxygen Redox for Lithium-Oxygen Batteries · Lv Q., Zhu Z., Ni Y. et al. · Journal of the American Chemical Society · 2022 · 23239-23246
Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.
Ni-HTP nanowire-array electrode on carbon paper · Electrode
Li-O2 cell with limited voltage of 2.20 V
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| full discharge capacityMarked as a best value within this paper | 18,280 mA h g-1 | — | — | Text Exact Reported | 5 · Electrochemical Performance · Figure 3c |
NiRu-HTP nanowire-array electrode on carbon paper · Electrode
Li-O2 cell with limited voltage of 2.20 V
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| full discharge capacity | 15,080 mA h g-1 | — | — | Text Exact Reported | 5 · Electrochemical Performance · Figure 3c |
| full charge/discharge polarization | ~1.20 V | — | — | Text Approximate | 5 · Electrochemical Performance · Figure 3c |
Ni-HTP nanowire-array electrode on carbon paper · Electrode
Li-O2 cell cathode; 2.0-4.0 V; 0.10 mV s-1; room temperature
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|
NiRu-HTP nanowire-array electrode on carbon paper · Electrode
Li-O2 cell cathode; 2.0-4.0 V; 0.10 mV s-1; room temperature
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| OER onset potential | ~2.98 V | — | — | Text Approximate | 5 · Electrochemical Performance · Figure 3a |
| ORR onset potential | ~2.76 V | — | — | Text Approximate | 5 · Electrochemical Performance · Figure 3a |
Ni-HTP nanowire-array electrode on carbon paper · Electrode
Li-O2 battery cycling at 500 mA g-1
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| cycle count before rapid voltage increase | 150 cycles | — | — | Text Exact Reported | 5 · Electrochemical Performance · Figure 3g |
| rapid voltage increase after cycling | 4.2 V | — | — | Text Exact Reported | 5 · Electrochemical Performance · Figure 3g |
NiRu-HTP nanowire-array electrode on carbon paper · Electrode
Li-O2 battery cycling at 500 mA g-1
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| stable cycle countMarked as a best value within this paper | 200 cycles | — | — | Text Exact Reported | 5 · Electrochemical Performance · Figure 3g |
NiRu-HTP nanowire-array electrode on carbon paper · Electrode
O2 consumption/release during discharge/charge; current 0.3 mA
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| charge-to-O2 ratio during charge | 2.03 e-/O2 | — | — | Text Exact Reported | 5 · Mechanistic Analyses · Figure S15 |
| charge-to-O2 ratio during discharge | 2.06 e-/O2 | — | — | Text Exact Reported | 5 · Mechanistic Analyses · Figure S15 |
| detectable CO2 | without detectable CO2 | — | — | Text Qualitative | 5 · Mechanistic Analyses · Figure S15 |
Ni-HTP nanowire-array electrode on carbon paper · Electrode
discharged Ni-HTP cathode; capacity 1000 mAh g-1; frequency 1e5 to 0.1 Hz
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Rct | 314.7 ohm | — | error 0.67% | SI Table Exact Reported | 33 · Table S4 · Table S4 |
| Rs | 52.9 ohm | — | error 0.71% | SI Table Exact Reported | 33 · Table S4 · Table S4 |
| Zw | 1093.1 ohm | — | error 7.79% | SI Table Exact Reported | 33 · Table S4 · Table S4 |
NiRu-HTP nanowire-array electrode on carbon paper · Electrode
discharged NiRu-HTP cathode; capacity 1000 mAh g-1; frequency 1e5 to 0.1 Hz
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| RctMarked as a best value within this paper | 192.2 ohm | — | error 0.42% | SI Table Exact Reported | 33 · Table S4 · Table S4 |
| RsMarked as a best value within this paper | 14.29 ohm | — | error 0.78% | SI Table Exact Reported | 33 · Table S4 · Table S4 |
| ZwMarked as a best value within this paper | 333.3 ohm | — | error 4.95% | SI Table Exact Reported | 33 · Table S4 · Table S4 |
Ni-HTP nanowire-array electrode on carbon paper · Electrode
initial Li-O2 battery profile at 500 mA g-1
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| energy efficiency | 67.1% | — | — | Text Exact Reported | 5 · Electrochemical Performance · Figure 3b |
| initial charge voltage | 3.98 V | — | — | Text Exact Reported | 5 · Electrochemical Performance · Figure 3b |
| initial discharge voltage | 2.67 V | — | — | Text Exact Reported | 5 · Electrochemical Performance · Figure 3b |
NiRu-HTP nanowire-array electrode on carbon paper · Electrode
initial Li-O2 battery profile at 500 mA g-1
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| energy efficiencyMarked as a best value within this paper | 75.7% | — | — | Text Exact Reported | 5 · Electrochemical Performance · Figure 3b |
| initial charge voltage | 3.62 V | — | — | Text Exact Reported | 5 · Electrochemical Performance · Figure 3b |
| initial discharge voltage | 2.74 V | — | — | Text Exact Reported | 5 · Electrochemical Performance · Figure 3b |
| initial overvoltage | 0.88 V | — | — | Text Exact Reported | 5 · Electrochemical Performance · Figure 3b |
NiRu-HTP nanowire-array electrode on carbon paper · Electrode
discharged/charged cathode product identification
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Li 1s peak for discharged Li2O2 | 55.1 eV | — | — | Text Exact Reported | 5 · Mechanistic Analyses · Figure 4c |
| Li2O2 Raman O-O vibration | 800 cm-1 | — | — | Text Exact Reported | 5 · Mechanistic Analyses · Figure 4b |
Ni-HTP nanowire-array electrode on carbon paper · Electrode
Li-O2 battery at 200, 500 and 1000 mA g-1
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| charge/discharge overvoltage at 200 mA g-1 | ~1.05 V | — | — | Visual Estimate Approximate | 4 · Figure 3e · Figure 3e |
NiRu-HTP nanowire-array electrode on carbon paper · Electrode
Li-O2 battery at 200, 500 and 1000 mA g-1
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| charge/discharge overvoltage at 1000 mA g-1 | 1.03 V | — | — | Text Exact Reported | 5 · Electrochemical Performance · Figure 3d |
| charge/discharge overvoltage at 200 mA g-1Marked as a best value within this paper | 0.76 V | — | — | Text Exact Reported | 5 · Electrochemical Performance · Figure 3d |
| charge/discharge overvoltage at 500 mA g-1 | 0.90 V | — | — | Text Exact Reported | 5 · Electrochemical Performance · Figure 3d |
Ni-HTP nanowire-array electrode on carbon paper · Electrode
1.0 M LiTFSI/G4 electrolyte with O2, 900 rpm, 10 mV s-1
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| relative soluble LiO2 ring current | higher than NiRu-HTP | — | — | Qualitative Qualitative | 6 · Mechanistic Analyses · Figure 5a |
NiRu-HTP nanowire-array electrode on carbon paper · Electrode
1.0 M LiTFSI/G4 electrolyte with O2, 900 rpm, 10 mV s-1
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| relative disk/onset currentMarked as a best value within this paper | higher than Ni-HTP | — | — | Qualitative Qualitative | 6 · Mechanistic Analyses · Figure 5a |