Electrochemistry Application — In Situ Construction of Amide-Functionalized 2D Conjugated Metal-Organic Frameworks with Multiple Active Sites for High-Performance Potassium-Ion Batteries

Measurement evidence

Electrochemistry Application

In Situ Construction of Amide-Functionalized 2D Conjugated Metal-Organic Frameworks with Multiple Active Sites for High-Performance Potassium-Ion Batteries · Su X., Cheng L., Yan X. et al. · Journal of the American Chemical Society · 2025 · 18338-18348

8 measurement groups · 51 results

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

CV and GCD blank-control testing

Super P + PVDF blank electrode · Electrode

Super P + PVDF on carbon-coated aluminium foil; 0.5 mV s-1 CV and 0.2 A g-1 GCD

Temperature
room temperature
Geometry
coin-cell electrode control
Context
blank additive/binder control
Measurement source
S29 · Section 12 · Figure S23
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Super P/PVDF contributionminimal impact on performance assessmentQualitative
Qualitative
p003 / 18341 · Electrochemical Characterization · Figure S23

cyclic voltammetry

Cu-HBB-MOF cathode electrode in CR2025 potassium half-cell · Electrode

CR2025 K half-cell; 1.0-3.8 V vs K/K+; 0.5 mV s-1; optimal electrolyte 1 M KPF6 in DME

Temperature
room temperature
Atmosphere
Ar-filled glove box assembly
Geometry
coin-type half-cell cathode
Context
MOF/Super P/PVDF electrode composite
Measurement source
p005 / 18342 · Electrochemical Characterization · Figure 3a
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
CV oxidation peak pair 1 oxidation3.04 V / 2.95 VText
Rounded Reported
p005 / 18342 · Electrochemical Characterization · Figure 3a
CV oxidation peak pair 1 reduction3.04 V / 2.95 VText
Rounded Reported
p005 / 18342 · Electrochemical Characterization · Figure 3a
CV pair 2 oxidation2.43 V / 2.11 VText
Rounded Reported
p005 / 18342 · Electrochemical Characterization · Figure 3a
CV pair 2 reduction2.43 V / 2.11 VText
Rounded Reported
p005 / 18342 · Electrochemical Characterization · Figure 3a
CV pair 3 oxidation1.90 V / 1.29 VText
Rounded Reported
p005 / 18342 · Electrochemical Characterization · Figure 3a
CV pair 3 reduction1.90 V / 1.29 VText
Rounded Reported
p005 / 18342 · Electrochemical Characterization · Figure 3a

cyclic voltammetry

Cu-Salphen-MOF cathode electrode in CR2025 potassium half-cell · Electrode

CR2025 K half-cell; 1.0-3.8 V vs K/K+; 0.5 mV s-1

Temperature
room temperature
Atmosphere
Ar-filled glove box assembly
Geometry
coin-type half-cell cathode
Context
MOF/Super P/PVDF electrode composite
Measurement source
p005 / 18342 · Electrochemical Characterization · Figure S25
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
CV pair 1 oxidation3.56 V / 2.54 VText
Rounded Reported
p005 / 18342 · Electrochemical Characterization · Figure S25
CV pair 1 reduction3.56 V / 2.54 VText
Rounded Reported
p005 / 18342 · Electrochemical Characterization · Figure S25
CV pair 2 oxidation2.38 V / 1.24 VText
Rounded Reported
p005 / 18342 · Electrochemical Characterization · Figure S25
CV pair 2 reduction2.38 V / 1.24 VText
Rounded Reported
p005 / 18342 · Electrochemical Characterization · Figure S25

scan-rate CV / Dunn analysis

Cu-HBB-MOF cathode electrode in CR2025 potassium half-cell · Electrode

CV curves at 0.6, 0.8, 1.0, 1.2 and 1.4 mV s-1; b-value and capacitive contribution analysis

Temperature
room temperature
Geometry
coin-type half-cell cathode
Context
MOF/Super P/PVDF electrode composite
Measurement source
S5-S6 · Dunn Method
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
b value O1bO1 = 0.71Text
Exact Reported
p006 / 18343 · Electrochemical Characterization · Figure 3g
b value O2bO2 = 0.87Text
Exact Reported
p006 / 18343 · Electrochemical Characterization · Figure 3g
b value R1bR1 = 0.96Text
Exact Reported
p006 / 18343 · Electrochemical Characterization · Figure 3g
b value R2bR2 = 0.84Text
Exact Reported
p006 / 18343 · Electrochemical Characterization · Figure 3g
Cu-Salphen-MOF b value O1bO1 = 0.78Text
Exact Reported
p006 / 18343 · Electrochemical Characterization · Figure S31
Cu-Salphen-MOF b value R1bR1 = 0.89Text
Exact Reported
p006 / 18343 · Electrochemical Characterization · Figure S31
Cu-HBB-MOF capacitive contribution at 0.6 mV s-169.1%Text
Rounded Reported
p006 / 18343 · Electrochemical Characterization · Figures 3h and S30b
Cu-HBB-MOF capacitive contribution at 0.8 mV s-170.9%Text
Rounded Reported
p006 / 18343 · Electrochemical Characterization · Figures 3h and S30b
Cu-HBB-MOF capacitive contribution at 1.0 mV s-172.0%Text
Rounded Reported
p006 / 18343 · Electrochemical Characterization · Figures 3h and S30b
Cu-HBB-MOF capacitive contribution at 1.2 mV s-175.2%Text
Rounded Reported
p006 / 18343 · Electrochemical Characterization · Figures 3h and S30b
Cu-HBB-MOF capacitive contribution at 1.4 mV s-177.3%Text
Rounded Reported
p006 / 18343 · Electrochemical Characterization · Figures 3h and S30b
Cu-Salphen-MOF capacitive contribution at 0.6 mV s-136.2%Text
Rounded Reported
p006 / 18343 · Electrochemical Characterization · Figure S31c
Cu-Salphen-MOF capacitive contribution at 0.8 mV s-141.9%Text
Rounded Reported
p006 / 18343 · Electrochemical Characterization · Figure S31c
Cu-Salphen-MOF capacitive contribution at 1.0 mV s-145.0%Text
Rounded Reported
p006 / 18343 · Electrochemical Characterization · Figure S31c
Cu-Salphen-MOF capacitive contribution at 1.2 mV s-148.5%Text
Rounded Reported
p006 / 18343 · Electrochemical Characterization · Figure S31c
Cu-Salphen-MOF capacitive contribution at 1.4 mV s-151.7%Text
Rounded Reported
p006 / 18343 · Electrochemical Characterization · Figure S31c

electrochemical impedance spectroscopy

Cu-HBB-MOF cathode electrode in CR2025 potassium half-cell · Electrode

100 kHz to 0.1 Hz; Nyquist analysis

Temperature
room temperature
Geometry
coin-type half-cell cathode
Context
MOF/Super P/PVDF electrode composite
Measurement source
S5 · Electrochemical measurements
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Rct Cu-HBB-MOFapproximately 10 ohmText
Approximate
p006 / 18343 · Electrochemical Characterization · Figures 3f and S29
Rct Cu-HBB-MOF after 100 cyclesincreased from 10 to 13 ohmText
Rounded Reported
p006 / 18343 · Electrochemical Characterization · Figures 3f and S29
Rct Cu-Salphen-MOFapproximately 30 ohmText
Approximate
p006 / 18343 · Electrochemical Characterization · Figures 3f and S29

galvanostatic charge/discharge

Cu-HBB-MOF cathode electrode in CR2025 potassium half-cell · Electrode

CR2025 K half-cell, voltage range 1.00-3.80 V; 1 M KPF6 in DME

Temperature
room temperature
Atmosphere
Ar-filled glove box assembly
Geometry
coin-type half-cell cathode
Context
MOF/Super P/PVDF electrode composite
Measurement source
S5 · Electrochemical measurements
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
reversible specific capacity at 0.1 A g-1Marked as a best value within this paper264.5 mAh g-1 at 0.1 A g-1Text
Rounded Reported
p005 / 18342 · Electrochemical Characterization · Figures S26-S27
discharge specific capacity at 0.2 A g-1Marked as a best value within this paper228.1 mAh g-1 at 0.2 A g-1Text
Rounded Reported
p005 / 18342 · Electrochemical Characterization · Figure S28; Table S8
capacity after 100 cycles at 1.0 A g-1167.6 mAh g-1 after 100 cycles at 1.0 A g-1Text
Rounded Reported
p005 / 18342 · Electrochemical Characterization · Figure 3c
capacity decay per cycleMarked as a best value within this paper0.011% per cycleText
Rounded Reported
p005 / 18342 · Electrochemical Characterization · Figure 3d
Coulombic efficiencyMarked as a best value within this paper100%Text
Rounded Reported
p005 / 18342 · Electrochemical Characterization · Figure 3d
long-cycle retained capacityMarked as a best value within this paper103.6 mAh g-1 after 2500 cycles at 5.0 A g-1Text
Rounded Reported
p005 / 18342 · Electrochemical Characterization · Figure 3d
rate capacity at 0.5 A g-1201.5 mAh g-1 at 0.5 A g-1Text
Rounded Reported
p005 / 18342 · Electrochemical Characterization · Figure 3e
rate capacity at 10.0 A g-1127.8 mAh g-1 at 10.0 A g-1Text
Rounded Reported
p005 / 18342 · Electrochemical Characterization · Figure 3e
capacity recovered after returning to 0.5 A g-1201.8 mAh g-1Text
Rounded Reported
p005 / 18342 · Electrochemical Characterization · Figure 3e
theoretical specific capacity271.0 mAh g-1Text
Rounded Reported
S30-S31 · Electrochemical Characterization · Figure S26

galvanostatic charge/discharge

Cu-Salphen-MOF cathode electrode in CR2025 potassium half-cell · Electrode

CR2025 K half-cell, voltage range 1.00-3.80 V

Temperature
room temperature
Atmosphere
Ar-filled glove box assembly
Geometry
coin-type half-cell cathode
Context
MOF/Super P/PVDF electrode composite
Measurement source
p005 / 18342 · Electrochemical Characterization · Figure S28
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
discharge specific capacity at 0.2 A g-1149.2 mAh g-1 at 0.2 A g-1Text
Rounded Reported
p005 / 18342 · Electrochemical Characterization · Figure S28a
capacity after 100 cycles at 1.0 A g-172.9 mAh g-1 after 100 cycles at 1.0 A g-1Text
Rounded Reported
p005 / 18342 · Electrochemical Characterization · Figure 3c
Cu-Salphen-MOF rate capacity point 1117.9 mAh g-1Text
Rounded Reported
p005 / 18342 · Electrochemical Characterization · Figures 3e and S28c
Cu-Salphen-MOF rate capacity point 298.5 mAh g-1Text
Rounded Reported
p005 / 18342 · Electrochemical Characterization · Figures 3e and S28c
Cu-Salphen-MOF rate capacity point 380.3 mAh g-1Text
Rounded Reported
p005 / 18342 · Electrochemical Characterization · Figures 3e and S28c
Cu-Salphen-MOF rate capacity point 457.8 mAh g-1Text
Rounded Reported
p005 / 18342 · Electrochemical Characterization · Figures 3e and S28c
Cu-Salphen-MOF rate capacity point 540.8 mAh g-1Text
Rounded Reported
p005 / 18342 · Electrochemical Characterization · Figures 3e and S28c

galvanostatic intermittent titration technique

Cu-HBB-MOF cathode electrode in CR2025 potassium half-cell · Electrode

GITT-derived K+ diffusion coefficient using Fick's second law

Temperature
room temperature
Geometry
coin-type half-cell cathode
Context
MOF/Super P/PVDF electrode composite
Measurement source
S7 · GITT experiments
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
K+ diffusion coefficient upper bound, Cu-HBB-MOF10^-10 to 10^-9 cm2 s-1Text
Range
p006 / 18343 · Electrochemical Characterization · Figure S32
K+ diffusion coefficient lower bound, Cu-HBB-MOF10^-10 to 10^-9 cm2 s-1Text
Range
p006 / 18343 · Electrochemical Characterization · Figure S32
K+ diffusion coefficient upper bound, Cu-Salphen-MOF10^-11 to 10^-10 cm2 s-1Text
Range
p006 / 18343 · Electrochemical Characterization · Figure S32
K+ diffusion coefficient lower bound, Cu-Salphen-MOF10^-11 to 10^-10 cm2 s-1Text
Range
p006 / 18343 · Electrochemical Characterization · Figure S32