Electrochemistry Application — In Situ Growth of Lithiophilic MOF Layer Enabling Dendrite-free Lithium Deposition

Measurement evidence

Electrochemistry Application

In Situ Growth of Lithiophilic MOF Layer Enabling Dendrite-free Lithium Deposition · Yin D., Wang Z., Li Q. et al. · iScience · 2020 · 101869

14 measurement groups · 55 results

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

Coulombic efficiency of Li plating/stripping

Cu-MOF-30 min · Electrode

Deposit 1 mAh cm^-2 Li at 0.5 mA cm^-2 and strip to 0.5 V; comparison of Cu, Cu-MOF-30 min and Cu-MOF-24 h over 300 cycles.

Temperature
room temperature
Atmosphere
1 M LiTFSI in DOL/DME (1:1 v/v) with 0.1 M LiNO3
Geometry
CR2025 half cell; Cu or Cu-MOF working electrode, Li counter electrode
Context
Cu-MOF/Cu current collectors compared with Cu foil control
Measurement source
p016 / SI p.4 · Transparent Methods - Electrochemical measurements · Figure 3C
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu foil CE fluctuation onsetCEs of Cu foil display tremendous fluctuation after just 53 cyclesafter justText
Exact Reported
p005 / journal p.4 · Li Plating/Stripping Behavior · Figure 3C
Cu-MOF-24 h CE initial stabilityCEs stable in the initial 120 cycles then scatter/declineinitialText
Exact Reported
p006 / journal p.5 · Li Plating/Stripping Behavior · Figure 3C
Cu-MOF-30 min Coulombic efficiency over 300 cyclesMarked as a best value within this paperabove 97.1% during 300 cyclesaboveText
Approximate
p005 / journal p.4 · Li Plating/Stripping Behavior · Figure 3C

Electrochemical impedance spectroscopy (EIS), equivalent-circuit fit

Li@Cu-MOF-30 min · Electrode

Nyquist plots of Li||Li@Cu, Li||Li@Cu-MOF-30 min and Li||Li@Cu-MOF-24 h before and after 10 and 100 cycles.

Temperature
room temperature
Atmosphere
Symmetric-cell electrolyte as reported in methods
Geometry
BioLogic VMP3 electrochemical workstation; symmetric cells
Context
Li-loaded Cu-MOF and Cu electrodes
Measurement source
p006 / journal p.5 · Li Plating/Stripping Behavior · Figure S2D and Table S1
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Rct, Li||Li@Cu before cycling68.33 ohmSI Table
Exact Reported
p019 / SI p.7 · Table S1 · Table S1
Rct, Li||Li@Cu after 10 cycles38.77 ohmSI Table
Exact Reported
p019 / SI p.7 · Table S1 · Table S1
Rct, Li||Li@Cu after 100 cycles4.73 ohmSI Table
Exact Reported
p019 / SI p.7 · Table S1 · Table S1
Rct, Li||Li@Cu-MOF-24 h before cycling95.42 ohmSI Table
Exact Reported
p019 / SI p.7 · Table S1 · Table S1
Rct, Li||Li@Cu-MOF-24 h after 10 cycles137.40 ohmSI Table
Exact Reported
p019 / SI p.7 · Table S1 · Table S1
Rct, Li||Li@Cu-MOF-24 h after 100 cycles137.83 ohmSI Table
Exact Reported
p019 / SI p.7 · Table S1 · Table S1
Rct, Li||Li@Cu-MOF-30 min before cycling66.31 ohmSI Table
Exact Reported
p019 / SI p.7 · Table S1 · Table S1
Rct, Li||Li@Cu-MOF-30 min after 10 cyclesMarked as a best value within this paper35.83 ohmSI Table
Exact Reported
p019 / SI p.7 · Table S1 · Table S1
Rct, Li||Li@Cu-MOF-30 min after 100 cyclesMarked as a best value within this paper37.39 ohmSI Table
Exact Reported
p019 / SI p.7 · Table S1 · Table S1

Exchange current density calculated from Rct

Li@Cu-MOF-30 min · Electrode

j0 = RT/nFRct using Table S1 Rct after 10 cycles for Cu, Cu-MOF-30 min and Cu-MOF-24 h.

Temperature
room temperature
Geometry
Calculated from symmetric-cell EIS
Context
Li-loaded Cu-MOF and Cu electrodes
Measurement source
p007 / journal p.6 · Li Plating/Stripping Behavior · Equation 1 and Table S1
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Exchange current density after 10 cycles, Cu0.586 mA cm^-2Calculated From Reported
Exact Reported
p007 / journal p.6 · Li Plating/Stripping Behavior · Equation 1
Exchange current density after 10 cycles, Cu-MOF-24 h0.165 mA cm^-2Calculated From Reported
Exact Reported
p007 / journal p.6 · Li Plating/Stripping Behavior · Equation 1
Exchange current density after 10 cycles, Cu-MOF-30 minMarked as a best value within this paper0.635 mA cm^-2Calculated From Reported
Exact Reported
p007 / journal p.6 · Li Plating/Stripping Behavior · Equation 1

LiFePO4 full-cell cycling at 0.5 C

Li@Cu-MOF-30 min · Electrode

Li@Cu||LFP, Li@Cu-MOF-30 min||LFP and Li@Cu-MOF-24 h||LFP full cells at 0.5 C for 100 cycles.

Temperature
room temperature
Atmosphere
1 M LiTFSI in DOL/DME (1:1 v/v) with 0.1 M LiNO3
Geometry
Full cell with Li-loaded current collector anode and LFP cathode
Context
Li@Cu-MOF anodes compared with Li@Cu; same cathode and electrolyte
Measurement source
p009 / journal p.8 · Assessment of Electrochemical Performance in Full Cells · Figure 5A
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Li@Cu||LFP capacity after 100 cycles at 0.5 C100.8 mAh g^-1Text
Exact Reported
p009 / journal p.8 · Assessment of Electrochemical Performance · Figure 5A
Li@Cu||LFP capacity retention after 100 cycles at 0.5 C70.1%Text
Exact Reported
p009 / journal p.8 · Assessment of Electrochemical Performance · Figure 5A
Li@Cu-MOF-24 h||LFP capacity after 100 cycles at 0.5 C109.5 mAh g^-1Text
Exact Reported
p009 / journal p.8 · Assessment of Electrochemical Performance · Figure 5A
Li@Cu-MOF-24 h||LFP capacity retention after 100 cycles at 0.5 C77.7%Text
Exact Reported
p009 / journal p.8 · Assessment of Electrochemical Performance · Figure 5A
Li@Cu-MOF-30 min||LFP capacity after 100 cycles at 0.5 CMarked as a best value within this paper119.8 mAh g^-1Text
Exact Reported
p009 / journal p.8 · Assessment of Electrochemical Performance · Figure 5A
Li@Cu-MOF-30 min||LFP CE after 100 cycles at 0.5 CMarked as a best value within this paper99.7%Text
Exact Reported
p009 / journal p.8 · Assessment of Electrochemical Performance · Figure 5A
Li@Cu-MOF-30 min||LFP capacity retention after 100 cycles at 0.5 CMarked as a best value within this paper85.1%Text
Exact Reported
p009 / journal p.8 · Assessment of Electrochemical Performance · Figure 5A

LiFePO4 full-cell cycling at 1 C

Li@Cu-MOF-30 min · Electrode

Li@Cu-MOF-30 min||LFP and Li@Cu||LFP full cells at 1 C for 200 cycles.

Temperature
room temperature
Atmosphere
1 M LiTFSI in DOL/DME (1:1 v/v) with 0.1 M LiNO3
Geometry
Full cell with Li-loaded current collector anode and LFP cathode
Context
Li@Cu-MOF-30 min compared with Li@Cu
Measurement source
p009 / journal p.8 · Assessment of Electrochemical Performance in Full Cells · Figure S3B
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Li@Cu||LFP capacity after 200 cycles at 1 C53.3 mAh g^-1Text
Exact Reported
p009 / journal p.8 · Assessment of Electrochemical Performance · Figure S3B
Li@Cu||LFP capacity retention after 200 cycles at 1 C53.8%Text
Exact Reported
p009 / journal p.8 · Assessment of Electrochemical Performance · Figure S3B
Li@Cu-MOF-30 min||LFP capacity after 200 cycles at 1 CMarked as a best value within this paper68.9 mAh g^-1Text
Exact Reported
p009 / journal p.8 · Assessment of Electrochemical Performance · Figure S3B
Li@Cu-MOF-30 min||LFP capacity retention after 200 cycles at 1 CMarked as a best value within this paper69.4%Text
Exact Reported
p009 / journal p.8 · Assessment of Electrochemical Performance · Figure S3B

Full-cell rate capability

Li@Cu-MOF-30 min · Electrode

Li@Cu-MOF-30 min||LFP at 0.1, 0.2, 0.5 and 1 C, then returned to lower rates.

Temperature
room temperature
Geometry
LFP full cell
Context
Li@Cu-MOF-30 min anode
Measurement source
p009 / journal p.8 · Assessment of Electrochemical Performance in Full Cells · Figure 5D-5E
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Li@Cu-MOF-30 min||LFP average discharge capacity at 0.1 CMarked as a best value within this paper148.2 mAh g^-1Text
Exact Reported
p009 / journal p.8 · Assessment of Electrochemical Performance · Figure 5D
Li@Cu-MOF-30 min||LFP average discharge capacity at 0.2 C129.9 mAh g^-1Text
Exact Reported
p009 / journal p.8 · Assessment of Electrochemical Performance · Figure 5D
Li@Cu-MOF-30 min||LFP average discharge capacity at 0.5 C110.1 mAh g^-1Text
Exact Reported
p009 / journal p.8 · Assessment of Electrochemical Performance · Figure 5D
Li@Cu-MOF-30 min||LFP average discharge capacity at 1 C74.2 mAh g^-1Text
Exact Reported
p009 / journal p.8 · Assessment of Electrochemical Performance · Figure 5D
Li@Cu-MOF-30 min||LFP discharge capacity after return to 0.1 C129.8 mAh g^-1Text
Exact Reported
p009 / journal p.8 · Assessment of Electrochemical Performance · Figure 5D
Li@Cu-MOF-30 min||LFP discharge capacity after return to 0.2 C118.6 mAh g^-1Text
Exact Reported
p009 / journal p.8 · Assessment of Electrochemical Performance · Figure 5D
Li@Cu-MOF-30 min||LFP discharge capacity after return to 0.5 C107.7 mAh g^-1Text
Exact Reported
p009 / journal p.8 · Assessment of Electrochemical Performance · Figure 5D

Full-cell charge-discharge voltage profiles

Li@Cu-MOF-30 min · Electrode

Voltage difference between charge and discharge platforms for Li@Cu-MOF-30 min, Li@Cu-MOF-24 h and Li@Cu cells.

Temperature
room temperature
Geometry
LFP full cell
Context
Li@Cu-MOF anodes compared with Li@Cu
Measurement source
p009 / journal p.8 · Assessment of Electrochemical Performance in Full Cells · Figures 5B-5C
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Initial full-cell charge/discharge voltage difference, Li@Cu150 mVText
Exact Reported
p009 / journal p.8 · Assessment of Electrochemical Performance · Figure 5B
Initial full-cell charge/discharge voltage difference, Li@Cu-MOF-24 h77 mVText
Exact Reported
p009 / journal p.8 · Assessment of Electrochemical Performance · Figure 5B
Initial full-cell charge/discharge voltage difference, Li@Cu-MOF-30 minMarked as a best value within this paper64 mVText
Exact Reported
p009 / journal p.8 · Assessment of Electrochemical Performance · Figure 5B

Li nucleation overpotential from voltage dip to subsequent plateau

Cu-MOF-30 min · Electrode

Li plating on Cu, Cu-MOF-30 min and Cu-MOF-24 h at 0.5 mA cm^-2.

Temperature
room temperature
Atmosphere
CR2025 coin cells with LiTFSI/DOL-DME/LiNO3 electrolyte
Geometry
Half cell with Li metal counter electrode
Context
Cu-MOF/Cu current collectors compared with Cu foil control
Measurement source
p005 / journal p.4 · Li Plating/Stripping Behavior · Figure 3A
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Li nucleation overpotential on Cu foil31 mVText
Exact Reported
p005 / journal p.4 · Li Plating/Stripping Behavior · Figure 3A
Li nucleation overpotential on Cu-MOF-24 h29 mVText
Exact Reported
p005 / journal p.4 · Li Plating/Stripping Behavior · Figure 3A
Li nucleation overpotential on Cu-MOF-30 minMarked as a best value within this paper22 mVText
Exact Reported
p005 / journal p.4 · Li Plating/Stripping Behavior · Figure 3A

Galvanostatic Li plating/stripping profile cycling

Cu-MOF-30 min · Electrode

Fixed plating capacity 1 mAh cm^-2 and current density 0.5 mA cm^-2; profiles followed for 300 cycles.

Temperature
room temperature
Atmosphere
LiTFSI/DOL-DME/LiNO3 electrolyte
Geometry
Half cell
Context
Cu-MOF/Cu current collectors compared with Cu foil control
Measurement source
p005 / journal p.4 · Li Plating/Stripping Behavior · Figures 3B and S2E-S2H
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu foil half-cell profile lifetimeCu foil electrode can only realise a lifetime of 150 cyclesText
Exact Reported
p005 / journal p.4 · Li Plating/Stripping Behavior · Figure S2E-S2F
Cu-MOF-30 min plating/stripping profile stabilityMarked as a best value within this paperBasically identical curves during whole 300 cyclesText
Exact Reported
p005 / journal p.4 · Li Plating/Stripping Behavior · Figure 3B

Li plating/stripping CE for alternate-solvent Cu-MOF coatings

Cu-MOF/E · Electrode

Cu-MOF/E, Cu-MOF/B and Cu-MOF/D electrodes in Li plating/stripping half cells.

Temperature
room temperature
Atmosphere
LiTFSI/DOL-DME/LiNO3 electrolyte
Geometry
Half cells
Context
Alternate solvent Cu-MOF/Cu current collectors
Measurement source
p009 / journal p.8 · The Universality and Effectiveness of the Synthesis Method · Figure S5I-S5K
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Alternate-solvent Cu-MOF CE threshold>97%greater thanText
Approximate
p009 / journal p.8 · The Universality and Effectiveness of the Synthesis Method · Figure S5I-S5K

Long-term symmetric-cell cycling for alternate-solvent Cu-MOF coatings

Li@Cu-MOF-30 min · Electrode

Li@Cu-MOF/E, Li@Cu-MOF/B and Li@Cu-MOF/D symmetric cells.

Temperature
room temperature
Atmosphere
LiTFSI/DOL-DME/LiNO3 electrolyte
Geometry
Symmetric cells
Context
Alternate solvent Cu-MOF/Cu current collectors
Measurement source
p009 / journal p.8 · The Universality and Effectiveness of the Synthesis Method · Figure S5L-S5N
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Alternate-solvent Cu-MOF long-term cycling stability threshold>2000 hgreater thanText
Approximate
p009 / journal p.8 · The Universality and Effectiveness of the Synthesis Method · Figure S5L-S5N

Long-term symmetric-cell Li plating/stripping at high current/high capacity

Li@Cu-MOF-30 min · Electrode

Li@Cu-MOF-30 min symmetric cell at 2 mA cm^-2 and 5 mAh cm^-2.

Temperature
room temperature
Atmosphere
LiTFSI/DOL-DME/LiNO3 electrolyte
Geometry
Symmetric cell
Context
Li@Cu-MOF-30 min only
Measurement source
p008 / journal p.7 · Electrochemical Testing · Figure S3A
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Li@Cu-MOF-30 min high-loading stable cycling350 h stable cycling at 2 mA cm^-2 and 5 mAh cm^-2Text
Exact Reported
p008 / journal p.7 · Electrochemical Testing · Figure S3A
Li@Cu-MOF-30 min high-loading overpotentialapproximately 35 mVapproximatelyText
Approximate
p008 / journal p.7 · Electrochemical Testing · Figure S3A

Long-term symmetric-cell Li plating/stripping

Li@Cu-MOF-30 min · Electrode

Li@Cu-, Li@Cu-MOF-30 min- and Li@Cu-MOF-24 h-based symmetric cells; electrodes preloaded with 2 mAh cm^-2 Li at 0.5 mA cm^-2.

Temperature
room temperature
Atmosphere
LiTFSI/DOL-DME/LiNO3 electrolyte
Geometry
Symmetric cell
Context
Li-loaded Cu-MOF electrodes compared with Li@Cu
Measurement source
p007 / journal p.6 · Electrochemical Testing · Figure 4A
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Li@Cu symmetric-cell initial increase period before failureoverpotential continuously increases in the initial 623 h, followed by voltage drop/fluctuationinitialText
Exact Reported
p007 / journal p.6 · Electrochemical Testing · Figure 4A
Li@Cu-MOF-24 h symmetric-cell stable cycling1,070 h stable cyclingText
Exact Reported
p007 / journal p.6 · Electrochemical Testing · Figure 4A
Li@Cu-MOF-30 min symmetric-cell lifetimeMarked as a best value within this paperover 2,500 hoverText
Approximate
p007 / journal p.6 · Electrochemical Testing · Figure 4A
Li@Cu-MOF-30 min symmetric-cell overpotentialMarked as a best value within this paperaround 13.1 mVaroundText
Approximate
p007 / journal p.6 · Electrochemical Testing · Figure 4A

Symmetric-cell rate capability

Li@Cu-MOF-30 min · Electrode

Current densities 0.2, 0.5, 1, 2 and 5 mA cm^-2 at constant areal capacity 1 mAh cm^-2; then return to 0.2 mA cm^-2.

Temperature
room temperature
Atmosphere
LiTFSI/DOL-DME/LiNO3 electrolyte
Geometry
Symmetric cell
Context
Li@Cu-MOF-30 min compared with Li@Cu-MOF-24 h and Li@Cu
Measurement source
p008 / journal p.7 · Electrochemical Testing · Figure 4B
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Li@Cu-MOF-30 min average overpotential at 0.2 mA cm^-2Marked as a best value within this paper7.1 mVText
Exact Reported
p008 / journal p.7 · Electrochemical Testing · Figure 4B
Li@Cu-MOF-30 min average overpotential at 0.5 mA cm^-212.2 mVText
Exact Reported
p008 / journal p.7 · Electrochemical Testing · Figure 4B
Li@Cu-MOF-30 min average overpotential at 1 mA cm^-217.3 mVText
Exact Reported
p008 / journal p.7 · Electrochemical Testing · Figure 4B
Li@Cu-MOF-30 min average overpotential at 2 mA cm^-228.1 mVText
Exact Reported
p008 / journal p.7 · Electrochemical Testing · Figure 4B
Li@Cu-MOF-30 min average overpotential at 5 mA cm^-255.3 mVText
Exact Reported
p008 / journal p.7 · Electrochemical Testing · Figure 4B
Li@Cu-MOF-30 min recovered overpotential after returning to 0.2 mA cm^-27.3 mV after rate returned to 0.2 mA cm^-2Text
Exact Reported
p008 / journal p.7 · Electrochemical Testing · Figure 4B