Reports from CEA Saclay Advance Knowledge in Clinical Trials and Studies (Comparative Study of Proton Conducting Ionic Liquid Doped Nafion Membranes Elaborated by Swelling and Casting Methods: Processing Conditions, Morphology, and Functional ...)
Our news editors obtained a quote from the research from CEA Saclay, "Concerning TFTEA doped membranes, their nanostructuration is very similar whatever the processing mode despite some key differences. The casting based membranes exhibit higher and/or more heterogeneous swelling of ionic domains of Nation-TEA by TFTEA and lower impact of TFTEA on the long-range crystalline order in Nation-TEA. Casting based membranes present better thermomechanical properties compared to swelling based membranes above 150 C and sustain a storage modulus of 1 MPa in the temperature range of 150-180 degrees C. With increasing TFTEA content as well as temperature, both types of membranes show an increase in the ionic conductivity of a similar order but no significant changes in hydrogen and oxygen-permeability coefficients. Both kinds of doped membranes exhibit similar sorption behavior (e.g., an increase in water uptake with increasing TFTEA content), though the results from GAB modeling suggest that morphology developed by casting is more favorable for the sorption of water molecules in middle range activity."
According to the news editors, the research concluded: "Current density of 0.85 A/cm(2) at 0.6 V was obtained with a membrane containing 20% TFTEA."
For more information on this research see: Comparative Study of Proton Conducting Ionic Liquid Doped Nafion Membranes Elaborated by Swelling and Casting Methods: Processing Conditions, Morphology, and
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