Electrochemistry Application — Conductive Metal-Organic Frameworks Bearing M−O4 Active Sites as Highly Active Biomass Valorization Electrocatalysts

Measurement evidence

Electrochemistry Application

Conductive Metal-Organic Frameworks Bearing M−O4 Active Sites as Highly Active Biomass Valorization Electrocatalysts · Zhang Y., Kornienko N. · ChemSusChem · 2022 · e202101587

10 measurement groups · 31 results

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

Bulk electrolysis / chronoamperometry with NMR product quantification

Co-CAT-Carbon Paper · Electrode

10 mM HMF in 1 M KOH; Co-CAT on carbon paper; 1.42 V vs RHE; products quantified by NMR with internal standard.

Geometry
two-compartment glass electrochemical cell
Context
Composite electrode sample
Measurement source
4-5 · Results and Discussion · Figure 3e and Figure S5
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Co-CAT FDCA yield after 20 hMarked as a best value within this paper99.3 %Text
Exact Reported
5 · Results and Discussion · Figure S5
Co-CAT faradaic efficiency after 20 hMarked as a best value within this paper97.6 %Text
Exact Reported
5 · Results and Discussion · Figure S5
Co-CAT faradaic efficiency at 1.42 V in Table S197.7 % at 1.42 VSI Table
Exact Reported
14 · Table S1 · Table S1
Co-CAT TOF based on transferred electrons286 h-1Text
Exact Reported
5 · Results and Discussion · Figure S5
Co-CAT TOF based on FDCA molecules48 h-1Text
Exact Reported
5 · Results and Discussion · Figure S5
Co-CAT turnover number based on transferred electrons5718Text
Exact Reported
5 · Results and Discussion · Figure S5
Co-CAT turnover number based on FDCA molecules953Text
Exact Reported
5 · Results and Discussion · Figure S5

Bulk electrolysis / chronoamperometry with NMR product quantification

Ni-CAT-Carbon Paper · Electrode

10 mM HMF in 1 M KOH; Ni-CAT on carbon paper; 1.42 V vs RHE unless otherwise specified; products quantified by NMR with internal standard.

Geometry
two-compartment glass electrochemical cell
Context
Composite electrode sample
Measurement source
5 · Results and Discussion · Figure 3e and Table S2
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Ni-CAT FDCA yield after 5 h98.7 %Text
Exact Reported
5 · Results and Discussion · Figure 3e
Ni-CAT faradaic efficiency at 1.38 VMarked as a best value within this paper97.4 %Text
Rounded Reported
5 · Results and Discussion · Table S2
Ni-CAT calculated faradaic efficiency at 1.38 V after 2.5 h92.32 %SI Table
Exact Reported
16 · Table S2 · Table S2
Ni-CAT calculated faradaic efficiency at 1.38 V after 3.5 hMarked as a best value within this paper97.45 %SI Table
Exact Reported
16 · Table S2 · Table S2
Ni-CAT faradaic efficiency after 5 h at 1.42 V86.8 %Text
Exact Reported
5 · Results and Discussion · Figure 3e
Ni-CAT TOF based on transferred electrons6493 h-1Text
Exact Reported
5 · Results and Discussion · Figure 3e
Ni-CAT TOF based on FDCA molecules1082 h-1Text
Exact Reported
5 · Results and Discussion · Figure 3e
Ni-CAT turnover number based on transferred electrons32466Text
Exact Reported
5 · Results and Discussion · Figure 3e
Ni-CAT turnover number based on FDCA molecules5411Text
Exact Reported
5 · Results and Discussion · Figure 3e

Cyclic voltammetry

Co-CAT-Carbon Paper · Electrode

Three-electrode cell; 1 M KOH with/without 10 mM HMF; carbon-paper-supported Co-CAT.

Geometry
Co-CAT on carbon paper
Context
Composite electrode sample
Measurement source
4 · Results and Discussion · Figure 3c
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
M-CAT carbon-paper current-density increase versus FTOalmost ten times higherText
Approximate
4 · Results and Discussion · Figure 3c,d
Co-CAT redox-active loading increase on carbon paper versus FTO14.7 times greaterText
Exact Reported
4 · Results and Discussion · Figure 3c
Co-CAT HMFOR onset potentialMarked as a best value within this paper1.05 V vs RHESI Table
Exact Reported
14 · Table S1 · Table S1

Cyclic voltammetry

Co-CAT-FTO · Electrode

Three-electrode cell; 1 M KOH, then 1 M KOH plus 10 mM HMF; scan rate 20 mV s-1; Ag/AgCl reference converted to RHE.

Geometry
Co-CAT-FTO working electrode
Context
Composite electrode sample
Measurement source
3 · Results and Discussion · Figure 3a
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
CoII/III redox wave potential on FTO1.0 V vs RHEText
Rounded Reported
3 · Results and Discussion · Figure 3a

Cyclic voltammetry

Ni-CAT-Carbon Paper · Electrode

Three-electrode cell; 1 M KOH with/without 10 mM HMF; carbon-paper-supported Ni-CAT.

Geometry
Ni-CAT on carbon paper
Context
Composite electrode sample
Measurement source
4 · Results and Discussion · Figure 3d
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Ni-CAT active-site loading increase on carbon paper versus FTO2.7 greaterText
Exact Reported
4 · Results and Discussion · Figure 3d
Ni-CAT HMFOR onset potential1.38 V vs RHESI Table
Exact Reported
14 · Table S1 · Table S1

Cyclic voltammetry

Ni-CAT-FTO · Electrode

Three-electrode cell; 1 M KOH, then 1 M KOH plus 10 mM HMF; scan rate 20 mV s-1; Ag/AgCl reference converted to RHE.

Geometry
Ni-CAT-FTO working electrode
Context
Composite electrode sample
Measurement source
3 · Results and Discussion · Figure 3b
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
NiII/III redox couple potential on FTO1.35 V vs RHEText
Rounded Reported
3 · Results and Discussion · Figure 3b

Long-duration electrolysis with NMR product quantification

Co-CAT-Carbon Paper · Electrode

5 mM HMF; Co-CAT; 1.12 V vs RHE; 5 days electrolysis.

Geometry
Co-CAT electrode
Context
Composite electrode sample
Measurement source
5 · Results and Discussion · Figure S6
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Co-CAT faradaic efficiency at 1.12 V after 5 days31.13 %Text
Exact Reported
5 · Results and Discussion · Figure S6
Co-CAT FDCA yield at 1.12 V after 5 days25 %Text
Rounded Reported
5 · Results and Discussion · Figure S6

Recyclability electrolysis with repeated HMF additions

Ni-CAT-Carbon Paper · Electrode

10 mM HMF added into 1 M KOH each time reactant was almost exhausted; aliquots taken for NMR.

Geometry
Ni-CAT electrode
Context
Composite electrode sample
Measurement source
10 · Figure S9 · Figure S9
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Ni-CAT recyclability FDCA concentration after cycle 19.22 mMFigure Axis
Exact Reported
10 · Figure S9 · Figure S9b
Ni-CAT recyclability FDCA concentration after cycle 218.57 mMFigure Axis
Exact Reported
10 · Figure S9 · Figure S9b
Ni-CAT recyclability FDCA concentration after cycle 327.46 mMFigure Axis
Exact Reported
10 · Figure S9 · Figure S9b
Ni-CAT recyclability FDCA concentration after cycle 436.43 mMFigure Axis
Exact Reported
10 · Figure S9 · Figure S9b

Linear sweep voltammetry Tafel analysis

Co-CAT powder on glassy carbon disk · Electrode

Rotating disk configuration at 1600 rpm; LSV scan 0.5 mV/s; HMF transport enhanced.

Geometry
Co-CAT powder on glassy carbon disk
Context
Composite electrode sample
Measurement source
5 · Results and Discussion · Figure 3f
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Co-CAT Tafel slope141.16 mV dec-1Text
Exact Reported
5 · Results and Discussion · Figure 3f

Linear sweep voltammetry Tafel analysis

Ni-CAT powder on glassy carbon disk · Electrode

Rotating disk configuration at 1600 rpm; LSV scan 0.5 mV/s; HMF transport enhanced.

Geometry
Ni-CAT powder on glassy carbon disk
Context
Composite electrode sample
Measurement source
5 · Results and Discussion · Figure 3f
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Ni-CAT Tafel slopeMarked as a best value within this paper42.34 mV dec-1SI Table
Exact Reported
14 · Table S1 · Table S1