Electrochemistry Application — Vapor-Induced Superionic Conduction of Magnesium Ions in a Metal-Organic Framework

Measurement evidence

Electrochemistry Application

Vapor-Induced Superionic Conduction of Magnesium Ions in a Metal-Organic Framework · Yoshida Y., Kato K., Sadakiyo M. · Journal of Physical Chemistry C · 2021 · 21124-21130

1 measurement group · 7 results

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

Bruce-Vincent Mg2+ transport-number measurement with DC polarisation and impedance correction

Mg-MOF-74 superset {Mg(TFSI)2}0.15 · Powder

Mg|Mg-MOF-74 superset {(MgTFSI)2}x(MeCN)n|Mg sealed cell; x = 0.15 dried at 130 deg C under vacuum overnight; cell built in Ar glove bag with MeCN vapour; Mg foil electrodes; 0.3 V at 60 deg C.

Temperature: 333
Atmosphere: Ar with MeCN vapour during cell construction; MeCN vapour in sealed cell
Geometry: sample powder sandwiched between Mg foil and pressed into 5 mm diameter pellet
Context: Mg(TFSI)2-loaded MOF under MeCN vapour
Measurement source: p003 / article p.21126 · Measurements of the Transport Number of Mg2+ · Figure 4

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Initial current I0 in Figure 4 example	I0 = 1.645 microA	0.000001645 A	—	Caption Exact Reported	p005 / article p.21128 · Figure caption · Figure 4
Steady-state current Iss in Figure 4 example	Iss = 0.738 microA	7.38e-7 A	—	Caption Exact Reported	p005 / article p.21128 · Figure caption · Figure 4
Initial passivating-layer resistance R0 in Figure 4 example	R0 = 18.54 kOhm	18540 Ohm	—	Caption Exact Reported	p005 / article p.21128 · Figure caption · Figure 4
Steady-state passivating-layer resistance Rss in Figure 4 example	Rss = 21.84 kOhm	21840 Ohm	—	Caption Exact Reported	p005 / article p.21128 · Figure caption · Figure 4
Average Mg2+ transport number for x = 0.15 under MeCN vapourMarked as a best value within this paper	t_Mg2+ = 0.47	0.47 dimensionless	average of four experiments	Text Rounded Reported	p005 / article p.21128 · Ionic Conductivity and Mg2+ Transport · Figure 4
Example Mg2+ transport number from Figure 4	t_Mg2+ = 0.43	0.43 dimensionless	—	Caption Rounded Reported	p005 / article p.21128 · Figure caption · Figure 4
Other Mg2+ transport-number replicates	0.53, 0.42, and 0.50	—	—	Caption Range	p005 / article p.21128 · Figure caption · Figure 4