Source link : https://tech365.info/subsequent-generation-membrane-cuts-toluene-crossover-to-spice-up-hydrogen-storage-efficiency/
Adjustments in Anode Catalyst Resistance of Nafion (Industrial) and SPAES (KRICT) Membranes After Sturdiness Take a look at. Credit score: Korea Analysis Institute of Chemical Expertise (KRICT)
A Korean analysis group has developed a brand new proton trade membrane (PEM) that considerably enhances the efficiency of electrochemical hydrogen storage methods. The work was printed as a canopy article within the Journal of Supplies Chemistry A.
Dr. Soonyong So of the Korea Analysis Institute of Chemical Expertise (KRICT) and Professor Sang-Younger Lee of Yonsei College have developed a next-generation PEM for LOHC-based electrochemical hydrogen storage utilizing a hydrocarbon-based polymer referred to as SPAES (sulfonated poly(arylene ether sulfone)).
This SPAES membrane reduces toluene permeability by over 60% in comparison with the commercially out there perfluorinated PEM Nafion and improves the Faradaic effectivity of hydrogenation to 72.8%.
Liquid natural hydrogen carriers (LOHCs), comparable to toluene, are promising liquid compounds for storing and transporting hydrogen. Not like compressed (over 100 bar) or liquefied (-252.9°C) hydrogen, LOHCs will be dealt with below milder situations.
Nonetheless, in electrochemical hydrogenation methods, a standard situation is the undesired crossover of toluene by way of the membrane, which not solely reduces effectivity but in addition contaminates the oxygen evolution response (OER) catalyst on the…
—-
Author : tech365
Publish date : 2025-05-07 19:20:00
Copyright for syndicated content belongs to the linked Source.
—-
1 – 2 – 3 – 4 – 5 – 6 – 7 – 8