Porosity — Microscopic Origin of Electrochemical Capacitance in Metal-Organic Frameworks

Measurement evidence

Porosity

Microscopic Origin of Electrochemical Capacitance in Metal-Organic Frameworks · Shin S.-J., Gittins J.W., Golomb M.J. et al. · Journal of the American Chemical Society · 2023 · 14529-14538

2 measurement groups · 6 results

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

77 K N2 adsorption/desorption with BET and QSDFT analysis

Composite Cu3(HHTP)2 freestanding electrode film · Electrode

Composite electrode film analysed by N2 sorption; corrected Cu3(HHTP)2 BET area derived by subtracting acetylene black/PTFE contributions.

Temperature
77
Atmosphere
N2 sorption
Geometry
freestanding composite electrode film
Context
composite film with corrected MOF surface area
Measurement source
7 · Supplementary Fig. 6 · Supplementary Figure 6b,d
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Corrected Cu3(HHTP)2 BET area in electrode551 m2 g^-1approximateCaption
Approximate
7 · Supplementary Fig. 6 · Supplementary Figure 6
Cu3(HHTP)2 composite electrode BET area before correction481 m2 g^-1Caption
Exact Reported
7 · Supplementary Fig. 6 · Supplementary Figure 6b
Reduction of accessible BET area in Cu3(HHTP)2 electrode vs powder27% lower than for the powderCaption
Exact Reported
7 · Supplementary Fig. 6 · Supplementary Figure 6
Cu3(HHTP)2 electrode pore sizeapproximately 15.0 AapproximatelyCaption
Approximate
7 · Supplementary Fig. 6 · Supplementary Figure 6d

77 K N2 adsorption/desorption with BET and QSDFT analysis

Cu3(HHTP)2 powder · Powder

Anton Parr Autosorb iQ-XR; ex situ degassing at 80 deg C for 24 h; isotherms over 24-30 h; AsiQwin analysis.

Temperature
77
Atmosphere
N2 sorption
Context
pristine Cu3(HHTP)2 powder
Measurement source
7 · Supplementary Fig. 6 · Supplementary Figure 6a,c
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu3(HHTP)2 powder BET areaMarked as a best value within this paper762 m2 g^-1Caption
Exact Reported
7 · Supplementary Fig. 6 · Supplementary Figure 6a
Cu3(HHTP)2 powder pore sizeapproximately 15.0 AapproximatelyCaption
Approximate
7 · Supplementary Fig. 6 · Supplementary Figure 6c