Electrochemistry Application — Enhancing electrochemical hydrogen storage in nickel-based metal-organic frameworks (MOFs) through zinc and cobalt doping as bimetallic MOFs

Measurement evidence

Electrochemistry Application

Enhancing electrochemical hydrogen storage in nickel-based metal-organic frameworks (MOFs) through zinc and cobalt doping as bimetallic MOFs · Kashani F.Z., Mohsennia M. · International Journal of Hydrogen Energy · 2025 · 348-357

12 measurement groups · 11 results

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

Chronopotentiometry (CP) charge-discharge

Bare copper foam electrode · Electrode

Three-electrode system; 4.0 M KOH electrolyte; constant current 1 mA; ambient pressure and temperature.

Atmosphere
ambient
Geometry
working electrode: bare porous copper foam; reference SCE; counter Pt wire
Context
bare current collector control
Measurement source
349 · 2.3.1. Electrochemical measurement · Fig. 7a
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Electrochemical discharge capacityless than 0.1 mAh g-1<Text
Range
354 · 3.2. Textural characterization and investigation of hydrogen storage · Fig. 7a

Chronopotentiometry (CP) charge-discharge

Co-Ni(TPA)-1 electrode on Cu foam · Electrode

Three-electrode system; 4.0 M KOH electrolyte; constant current 1 mA; 20 cycles; 0.1 mg MOF material on working electrode.

Atmosphere
ambient
Geometry
MOF-coated Cu foam working electrode; SCE reference; Pt wire counter
Context
Co-doped Ni(TPA) electrode
Measurement source
355 · 3.2. Textural characterization and investigation of hydrogen storage · Fig. 7f
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
20th discharge capacity3600 mAh g-1Text
Rounded Reported
355 · 3.2. Textural characterization and investigation of hydrogen storage · Fig. 7f

Chronopotentiometry (CP) charge-discharge

Co-Ni(TPA)-2 electrode on Cu foam · Electrode

Three-electrode system; 4.0 M KOH electrolyte; constant current 1 mA; 20 cycles; 0.1 mg MOF material on working electrode.

Atmosphere
ambient
Geometry
MOF-coated Cu foam working electrode; SCE reference; Pt wire counter
Context
Co-doped Ni(TPA) electrode
Measurement source
355 · 3.2. Textural characterization and investigation of hydrogen storage · Fig. 7d,e,f
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
20th discharge capacityMarked as a best value within this paper4000 mAh g-1Text
Rounded Reported
355 · 3.2. Textural characterization and investigation of hydrogen storage · Fig. 7d,e,f

Chronopotentiometry (CP) charge-discharge

Co-Ni(TPA)-3 electrode on Cu foam · Electrode

Three-electrode system; 4.0 M KOH electrolyte; constant current 1 mA; 20 cycles; 0.1 mg MOF material on working electrode.

Atmosphere
ambient
Geometry
MOF-coated Cu foam working electrode; SCE reference; Pt wire counter
Context
Co-doped Ni(TPA) electrode
Measurement source
355 · 3.2. Textural characterization and investigation of hydrogen storage · Fig. 7f
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
20th discharge capacity3800 mAh g-1Text
Rounded Reported
355 · 3.2. Textural characterization and investigation of hydrogen storage · Fig. 7f

Chronopotentiometry (CP) charge-discharge

Ni(TPA) electrode on Cu foam · Electrode

Three-electrode system; 4.0 M KOH electrolyte; constant current 1 mA; 20 cycles; 0.1 mg MOF material on working electrode.

Atmosphere
ambient
Geometry
MOF-coated Cu foam working electrode; SCE reference; Pt wire counter
Context
pristine Ni(TPA) electrode control
Measurement source
353 · 3.2. Textural characterization and investigation of hydrogen storage · Fig. 7b
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
20th discharge capacity1850 mAh g-1 after 20 cyclesText
Rounded Reported
355 · 3.2. Textural characterization and investigation of hydrogen storage · Fig. 7b
Initial discharge capacity1250 mAh g-1Text
Rounded Reported
355 · 3.2. Textural characterization and investigation of hydrogen storage · Fig. 7b

Chronopotentiometry (CP) charge-discharge

Zn-Ni(TPA)-2 electrode on Cu foam · Electrode

Three-electrode system; 4.0 M KOH electrolyte; constant current 1 mA; 20 cycles; 0.1 mg MOF material on working electrode.

Atmosphere
ambient
Geometry
MOF-coated Cu foam working electrode; SCE reference; Pt wire counter
Context
Zn-doped Ni(TPA) electrode
Measurement source
355 · 3.2. Textural characterization and investigation of hydrogen storage · Fig. 7c,e
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
20th discharge capacity3000 mAh g-1Text
Rounded Reported
355 · 3.2. Textural characterization and investigation of hydrogen storage · Fig. 7e

Cyclic voltammetry (CV)

Co-Ni(TPA)-2 electrode on Cu foam · Electrode

Potential range 0-1 V; conventional three-electrode configuration.

Atmosphere
ambient
Geometry
MOF-coated Cu foam working electrode
Context
Co-doped Ni(TPA) electrode
Measurement source
355 · 3.2. Textural characterization and investigation of hydrogen storage · Fig. 8
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Relative CV peak responseMarked as a best value within this paperCo-Ni(TPA) had higher peak-potential separation and current density than Ni(TPA) and Zn-Ni(TPA)Text
Qualitative
355 · 3.2. Textural characterization and investigation of hydrogen storage · Fig. 8

Cyclic voltammetry (CV)

Ni(TPA) electrode on Cu foam · Electrode

Potential range 0-1 V; conventional three-electrode configuration; electrolyte not restated in CV paragraph, likely same KOH system as CP.

Atmosphere
ambient
Geometry
MOF-coated Cu foam working electrode
Context
pristine Ni(TPA) electrode
Measurement source
355 · 3.2. Textural characterization and investigation of hydrogen storage · Fig. 8
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource

Cyclic voltammetry (CV)

Zn-Ni(TPA)-2 electrode on Cu foam · Electrode

Potential range 0-1 V; conventional three-electrode configuration.

Atmosphere
ambient
Geometry
MOF-coated Cu foam working electrode
Context
Zn-doped Ni(TPA) electrode
Measurement source
355 · 3.2. Textural characterization and investigation of hydrogen storage · Fig. 8
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource

Potentiodynamic polarization

Co-Ni(TPA)-2 electrode on Cu foam · Electrode

Corrosion potential from polarization curve; figure axis labelled Potential (V vs. Ag/AgCl).

Atmosphere
ambient/electrolyte
Geometry
MOF-coated Cu foam electrode
Context
Co-doped Ni(TPA) electrode
Measurement source
355 · 3.2. Textural characterization and investigation of hydrogen storage · Fig. 10
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Corrosion potential EcorrMarked as a best value within this paper-0.368 VText
Exact Reported
355 · 3.2. Textural characterization and investigation of hydrogen storage · Fig. 10

Potentiodynamic polarization

Ni(TPA) electrode on Cu foam · Electrode

Corrosion potential from polarization curve; figure axis labelled Potential (V vs. Ag/AgCl).

Atmosphere
ambient/electrolyte
Geometry
MOF-coated Cu foam electrode
Context
pristine Ni(TPA) electrode
Measurement source
356 · 3.2. Textural characterization and investigation of hydrogen storage · Fig. 10
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Corrosion potential Ecorr-0.431 VText
Exact Reported
355 · 3.2. Textural characterization and investigation of hydrogen storage · Fig. 10

Potentiodynamic polarization

Zn-Ni(TPA)-2 electrode on Cu foam · Electrode

Corrosion potential from polarization curve; figure axis labelled Potential (V vs. Ag/AgCl).

Atmosphere
ambient/electrolyte
Geometry
MOF-coated Cu foam electrode
Context
Zn-doped Ni(TPA) electrode
Measurement source
356 · 3.2. Textural characterization and investigation of hydrogen storage · Fig. 10
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Corrosion potential Ecorr-0.398 VText
Exact Reported
355 · 3.2. Textural characterization and investigation of hydrogen storage · Fig. 10