Electrospun tri-layer membranes for H2/Air fuel cells
By Powers, Devon; Wycisk, Ryszard; Pintauro, Peter N.
Published in Journal of Membrane Science
2019
Abstract
Dual nanofiber electrospinning was used to fabricate a series of multi-layer fuel cell membranes with high proton conductivity and low in-plane water swelling, using 825 EW perfluorosulfonic acid (PFSA) ionomer and polyamide-imide (PAI). The relative flow rates of the two polymer solutions were adjusted during electrospinning to create multiple layers with different PFSA/PAI weight ratios. After electrospinning, fiber mats were transformed into dense membranes with a total thickness of 20
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