Electrochemistry Application — Conductive metal–organic framework with redox metal center as cathode for high rate performance lithium ion battery

Measurement evidence

Electrochemistry Application

Conductive metal–organic framework with redox metal center as cathode for high rate performance lithium ion battery · Gu S., Bai Z., Majumder S. et al. · Journal of Power Sources · 2019 · 22-29

7 measurement groups · 28 results

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

Coin-cell lithium-ion battery testing on LAND electrochemical station

Cu3(HHTP)2 cathode electrode · Electrode

Cu3(HHTP)2/PVDF cathode versus Li chip anode, Celgard 2400 separator, 1.0 M LiPF6 in EC:DMC 1:1 electrolyte; 1.7-3.5 V vs Li+/Li; 25 degC; rates 0.5, 1, 5, 10, 20C.

Temperature
298
Atmosphere
argon-filled glovebox for assembly
Geometry
coin cell
Context
composite electrode containing pristine Cu3(HHTP)2 active material
Measurement source
3 · 2.4. Fabrication of the electrodes and batteries
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
battery test voltage window1.7-3.5 V versus Li+/LiText
Range
3 · 2.4. Fabrication of the electrodes and batteries

Galvanostatic charge-discharge

Co3(HHTP)2 cathode electrode · Electrode

Co3(HHTP)2 cathode at 1C for different cycles.

Temperature
298
Geometry
coin cell
Context
cobalt analogue control electrode
Measurement source
Supplementary figures and tables · Fig. S6
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Co3(HHTP)2 cathode capacityno meaningful capacityCaption
Qualitative
6 · Supplementary figures and tables · Fig. S6
visual estimate of Co3(HHTP)2 charge-discharge capacity scaleless than about 0.4 mA h g-1 from Fig. S6 axisvisual estimate upper boundVisual Estimate
Uncertain
6 · Supplementary figures and tables · Fig. S6

Cyclic voltammetry

Cu3(HHTP)2 cathode electrode · Electrode

Voltage window 1.7-3.5 V vs Li/Li+; scan rate 0.2 mV s-1; several cycles shown.

Temperature
298
Geometry
coin cell
Context
Cu3(HHTP)2/PVDF cathode
Measurement source
5 · 3.3. Lithium ion insertion-desertion discussion · Fig. 5
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
merged reduction peak after cycling2.81 VText
Exact Reported
6 · 3.3. Lithium ion insertion-desertion discussion · Fig. 5
CV reversible redox peak potentials2.43, 2.72, 2.84 and 3.28 V vs Li/Li+Text
Exact Reported
6 · 3.3. Lithium ion insertion-desertion discussion · Fig. 5
CV scan rate0.2 mV s-1Caption
Exact Reported
5 · Figure caption · Fig. 5

Cycling performance

Cu3(HHTP)2 cathode electrode · Electrode

1C cycling for 100 cycles in main Fig. 3b; 500 cycles in SI Fig. S4.

Temperature
298
Geometry
coin cell
Context
Cu3(HHTP)2/PVDF cathode
Measurement source
4 · 3.2. Discharge-charge performance · Fig. 3b, Fig. S4
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
capacity retention after 500 cycles at 1Cabout 50%Text
Approximate
4 · 3.2. Discharge-charge performance · Fig. S4
capacity decay rate over 500 cycles at 1C0.09% per cycleText
Exact Reported
4 · 3.2. Discharge-charge performance · Fig. S4
activated reversible capacity at 1CMarked as a best value within this paperabout 95 mA h g-1 after about 20 cyclesText
Approximate
4 · 3.2. Discharge-charge performance · Fig. 3b
capacity decay from cycle 60 to 100 at 1C8.1%Text
Exact Reported
4 · 3.2. Discharge-charge performance · Fig. 3b
visual estimate of discharge capacity after 500 cycles at 1Capproximately 43 mA h g-1 from Fig. S4 axisvisual estimate from rendered SI figureVisual Estimate
Uncertain
5 · Supplementary figures and tables · Fig. S4
visual estimate of Coulombic efficiency during 1C 500-cycle testapproximately 99-100% for most cycles after initial activationvisual estimate from rendered SI figureVisual Estimate
Approximate
5 · Supplementary figures and tables · Fig. S4

Galvanostatic charge-discharge

Cu3(HHTP)2 cathode electrode · Electrode

1C cycling between 1.7 and 3.5 V vs Li+/Li at room temperature; first, second, fifth, tenth and twentieth cycles plotted.

Temperature
298
Geometry
coin cell
Context
Cu3(HHTP)2/PVDF cathode
Measurement source
4 · 3.2. Discharge-charge performance · Fig. 3a
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
first-cycle discharge capacity at 1Cabout 105 mA h g-1Text
Approximate
4 · 3.2. Discharge-charge performance · Fig. 3a
open circuit voltageabout 3.0 VText
Approximate
4 · 3.2. Discharge-charge performance · Fig. 3a
Li:Cu intercalation ratio after activationalmost 100% (Li:Cu)Text
Approximate
5 · 3.3. Lithium ion insertion-desertion discussion · Fig. 3a
second-cycle Coulombic efficiency69.2%Text
Exact Reported
4 · 3.2. Discharge-charge performance · Fig. 3
second-cycle discharge capacity at 1Cabout 81 mA h g-1Text
Approximate
4 · 3.2. Discharge-charge performance · Fig. 3a

Rate capability and long-term cycling

Cu3(HHTP)2 cathode electrode · Electrode

Current rates from 0.5C to 20C; Fig. 6a rate stepping and Fig. 6b 500-cycle tests at different rates.

Temperature
298
Geometry
coin cell
Context
Cu3(HHTP)2/PVDF cathode
Measurement source
5 · 3.4. High C-rate capability · Fig. 6
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
capacity decay rate at 20CMarked as a best value within this paper0.023% per cycleText
Exact Reported
6 · 3.4. High C-rate capability · Fig. 6b
capacity retention at 20C after 500 cyclesMarked as a best value within this papermore than 85%Text
Approximate
6 · 3.4. High C-rate capability · Fig. 6b
visual estimate of final discharge capacity at 0.5C after 500 cyclesapproximately 25-30 mA h g-1 from Fig. 6b axisvisual estimateVisual Estimate
Uncertain
5 · Figure · Fig. 6b
visual estimate of final discharge capacity at 20C after 500 cyclesapproximately 84-86 mA h g-1 from Fig. 6b axisvisual estimateVisual Estimate
Uncertain
5 · Figure · Fig. 6b
capacity retained at 20C during rate testabout 85 mA h g-1Text
Approximate
6 · 3.4. High C-rate capability · Fig. 6a
maximum capacity during rate test at 1CMarked as a best value within this paper94.9 mA h g-1Text
Exact Reported
6 · 3.4. High C-rate capability · Fig. 6a
capacity recovery on returning to 1Cabout 89 mA h g-1Text
Approximate
6 · 3.4. High C-rate capability · Fig. 6a
top capacity after activation across ratestop capacity after activation does not show obvious difference with current-rate variationCaption
Qualitative
6 · Supplementary figures and tables · Fig. S7

SI literature-comparison table entry for present Cu3(HHTP)2 study

Cu3(HHTP)2 cathode electrode · Electrode

Table S1 summarises MOF electrodes; only the present-study Cu3(HHTP)2 first-hand entry was extracted as evidence.

Geometry
coin cell
Context
present Cu3(HHTP)2/PVDF cathode compared against literature MOF electrodes
Measurement source
8 · Supplementary figures and tables · Table S1
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Table S1 present-study current densityMarked as a best value within this paper20CSI Table
Exact Reported
8 · Supplementary figures and tables · Table S1
Table S1 present-study cycle countMarked as a best value within this paper500 cyclesSI Table
Exact Reported
8 · Supplementary figures and tables · Table S1
Table S1 present-study voltage window1.7-3.5 V vs Li/Li+SI Table
Range
8 · Supplementary figures and tables · Table S1