Electrochemistry Application — An Electrically Conducting Li-Ion Metal-Organic Framework

Measurement evidence

Electrochemistry Application

An Electrically Conducting Li-Ion Metal-Organic Framework · Rambabu D., Lakraychi A.E., Wang J. et al. · Journal of the American Chemical Society · 2021 · 11641-11650

4 measurement groups · 22 results

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

galvanostatic cycling with varied conductive carbon content

Li2-Mn-DOBDC composite Li half-cell electrode · Electrode

Li2-Mn-DOBDC active material with 10, 20 or 40 wt.% superP carbon, 10 or 5 wt.% PTFE, 1 M LiTFSI DOL/DME, 2.0-3.55 V at C/2.

Atmosphere
Ar-filled glovebox assembly
Geometry
coin cell, Li half-cell
Context
composite electrode
Measurement source
26 · Supplementary Figures and Data · Figure S11
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
approximate first-cycle capacity with 10 wt.% carbonapproximately 42 mAh/g from Figure S11approximate visual estimateFigure Axis
Approximate
26 · Figure S11 · Figure S11A
approximate first-cycle capacity with 40 wt.% carbonMarked as a best value within this paperapproximately 65 mAh/g from Figure S11approximate visual estimateFigure Axis
Approximate
26 · Figure S11 · Figure S11A

galvanostatic charge/discharge in Li half-cells

Li2-Mn-DOBDC composite Li half-cell electrode · Electrode

Two-electrode coin cells assembled in Ar-filled glovebox; Li foil counter/reference; varied cut-off potentials; standard rate 1 electron in 10 h per formula for Figure 4.

Atmosphere
Ar-filled glovebox for assembly
Geometry
coin cell, Li half-cell
Context
composite electrode with conductive carbon and PTFE
Measurement source
6 · 2.3. Electrochemistry · Figure 4
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Li2-Mg-DOBDC recovered charge in 2.0-3.55 V windowonly 0.2 e-/Li+onlyText
Rounded Reported
23 · Figure S9 discussion · Figure S9B
Li2-Mg-DOBDC recovered charge in 2.0-4.0 V window, SI discussionmore than 0.7 e-/Li+>Text
Approximate
23 · Figure S9 discussion · Figure S9B
Li2-Mg-DOBDC reversible exchange in 2.0-4.0 V window0.3 e-/Li+ equivalentsText
Rounded Reported
6 · 2.3. Electrochemistry · Figure 4B
Li2-Mn-DOBDC reversible exchange in 2.0-4.0 V windowMarked as a best value within this paper1.1 e-/Li+ equivalentsText
Rounded Reported
6 · 2.3. Electrochemistry · Figure 4C
Mn-CPO-27 minor discharge response R13.25 V, less than 0.05 electrons exchanged<0.05 e- exchangedText
Rounded Reported
23 · Figure S9 discussion · Figure S9A
Mn-CPO-27 minor discharge response R22.4 V, less than 0.05 electrons exchanged<0.05 e- exchangedText
Rounded Reported
23 · Figure S9 discussion · Figure S9A
Mn-CPO-27 Ox1 charge cut-off onsetsteep potential increase up to 3.65 V; short sloping profile up to 3.8 VText
Rounded Reported
23 · Figure S9 discussion · Figure S9A
Mn-CPO-27 Ox2 irreversible redox range3.8-3.9 VText
Range
23 · Figure S9 discussion · Figure S9A
DOBDC redox potential increase upon Mn incorporationnearly 800 mV with respect to Li4-DOBDC800 mVnearlyText
Approximate
7 · 2.3. Electrochemistry · Scheme 2

galvanostatic cycling electrolyte screen

Li2-Mn-DOBDC composite Li half-cell electrode · Electrode

Li half-cells using Li2-Mn-DOBDC, 40 wt.% superP carbon, 10 wt.% PTFE; 2.0-3.55 V at C/2; various 1 M electrolytes.

Atmosphere
Ar-filled glovebox assembly
Geometry
coin cell, Li half-cell
Context
composite electrode
Measurement source
25 · Supplementary Figures and Data · Figure S10
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
average Coulombic efficiency after 100 cyclesMarked as a best value within this paper99.7%0.997 fractionText
Exact Reported
7 · 2.4. Lithium Storage Performance · Figure 5
best capacity retention after 100 cyclesMarked as a best value within this paper91% with 1 M LiTFSI in DOL/DME0.91 fractionText
Exact Reported
7 · 2.4. Lithium Storage Performance · Figure 5; Figure S10
ether-based solvent capacity retention range60-80%rangeText
Range
7 · 2.4. Lithium Storage Performance · Figure S10
ionic liquid capacity retentiononly 40%0.4 fractiononlyText
Rounded Reported
7 · 2.4. Lithium Storage Performance · Figure S10

capacity-rate test and cycling retention

Li2-Mn-DOBDC composite Li half-cell electrode · Electrode

Li half-cell using Li2-Mn-DOBDC active electrode and 1 M LiTFSI in DOL/DME; rates from C/20 to 1C and long cycling.

Atmosphere
Ar-filled glovebox assembly
Geometry
coin cell, Li half-cell
Context
composite electrode
Measurement source
7 · 2.4. Lithium Storage Performance · Figure 5; Figure S12
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
approximate discharge capacity at 1Capproximately 52 mAh/g from Figure 5Aapproximate visual estimateFigure Axis
Approximate
7 · 2.4. Lithium Storage Performance · Figure 5A
approximate discharge capacity at C/20Marked as a best value within this paperapproximately 67 mAh/g from Figure 5Aapproximate visual estimateFigure Axis
Approximate
7 · 2.4. Lithium Storage Performance · Figure 5A
cycling discharge capacity after 100 cyclesapproximately 57 mAh/g after 100 cycles from Figure 5Bapproximate visual estimateFigure Axis
Approximate
7 · 2.4. Lithium Storage Performance · Figure 5B
Li2-Mn-DOBDC average discharge potential3.2 V vs Li+/Li0Text
Rounded Reported
1 · Abstract
capacity retained at 1C relative to low-rate capacity83% of the capacity at 1C0.83 fractionText
Exact Reported
7 · 2.4. Lithium Storage Performance · Figure 5A; Figure S12
approximate 1C capacity from Figure S12approximately 55 mAh/gapproximate visual estimateFigure Axis
Approximate
27 · Figure S12 · Figure S12
approximate C/20 capacity from Figure S12Marked as a best value within this paperapproximately 68 mAh/gapproximate visual estimateFigure Axis
Approximate
27 · Figure S12 · Figure S12