Electrical Transport — Proton Transport in a Highly Conductive Porous Zirconium-Based Metal-Organic Framework: Molecular Insight

3 measurement groups · 17 results

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

UiO-66(Zr)-(CO2H)2 pressed pellet for impedance · Pellet

298 K, RH varied from 40% to 90%.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
conductivity at 298 K and 40% RH from RH-dependence text	7.4 x 10^-6 S cm^-1	—	—	Text Rounded Reported	5 · Complex Impedance Spectroscopy · Figure S5
conductivity at 298 K and 90% RH	8.5 x 10^-4 S cm^-1	—	—	Text Rounded Reported	5 · Complex Impedance Spectroscopy · Figure S5

UiO-66(Zr)-(CO2H)2 pressed pellet for impedance · Pellet

Frequency 1 Hz to 1 MHz, 20 mV AC, 40% RH, selected temperatures 25-90 degC.

Temperature: 298-363
Atmosphere: controlled 40% relative humidity
Geometry: Two-probe pressed pellet between gold plate electrodes.
Context: pristine low-hydration MOF pellet
Measurement source: 5 · Complex Impedance Spectroscopy · Figure S4 and Table SI

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
proton conductivity at 25 degC and 40% RH	7.47x10^-6 S cm^-1	—	—	SI Table Exact Reported	5 · Complex Impedance Spectroscopy · Table SI
proton conductivity at 40 degC and 40% RH	1.02x10^-5 S cm^-1	—	—	SI Table Exact Reported	5 · Complex Impedance Spectroscopy · Table SI
proton conductivity at 50 degC and 40% RH	1.30x10^-5 S cm^-1	—	—	SI Table Exact Reported	5 · Complex Impedance Spectroscopy · Table SI
proton conductivity at 70 degC and 40% RH	1.82x10^-5 S cm^-1	—	—	SI Table Exact Reported	5 · Complex Impedance Spectroscopy · Table SI
proton conductivity at 80 degC and 40% RH	1.98x10^-5 S cm^-1	—	—	SI Table Exact Reported	5 · Complex Impedance Spectroscopy · Table SI
proton conductivity at 90 degC and 40% RH	2.06x10^-5 S cm^-1	—	—	SI Table Exact Reported	5 · Complex Impedance Spectroscopy · Table SI

UiO-66(Zr)-(CO2H)2 pressed pellet for impedance · Pellet

Frequency 1 Hz to 1 MHz, 20 mV AC, 95% RH, temperature varied 25-90 degC; equilibrated 24 h at each condition.

Temperature: 298-363
Atmosphere: controlled 95% relative humidity
Geometry: Two-probe pressed pellet between gold plate electrodes; l = 2.02 mm, S = 16 mm2.
Context: pristine water-loaded MOF pellet
Measurement source: 4 · Experimental Section

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
activation energy from Arrhenius conductivity plot	Ea = 0.17 eV	—	—	Text Exact Reported	2 · Results · Figure 1
proton conductivity at 25 degC and 95% RH	8.50x10^-4 S cm^-1	—	—	SI Table Exact Reported	5 · Complex Impedance Spectroscopy · Table SI
proton conductivity at 30 degC and 95% RH	9.50x10^-4 S cm^-1	—	—	SI Table Exact Reported	5 · Complex Impedance Spectroscopy · Table SI
proton conductivity at 40 degC and 95% RH	1.16 x10^-3 S cm^-1	—	—	SI Table Exact Reported	5 · Complex Impedance Spectroscopy · Table SI
proton conductivity at 50 degC and 95% RH	1.40 x10^-3 S cm^-1	—	—	SI Table Exact Reported	5 · Complex Impedance Spectroscopy · Table SI
proton conductivity at 60 degC and 95% RH	1.60 x10^-3 S cm^-1	—	—	SI Table Exact Reported	5 · Complex Impedance Spectroscopy · Table SI
proton conductivity at 70 degC and 95% RH	1.80 x10^-3 S cm^-1	—	—	SI Table Exact Reported	5 · Complex Impedance Spectroscopy · Table SI
proton conductivity at 80 degC and 95% RH	2.00 x10^-3 S cm^-1	—	—	SI Table Exact Reported	5 · Complex Impedance Spectroscopy · Table SI
proton conductivity at 90 degC and 95% RHMarked as a best value within this paper	2.30 x10^-3 S cm^-1	—	—	SI Table Exact Reported	5 · Complex Impedance Spectroscopy · Table SI