2024
DOI: 10.1021/acsami.3c17643
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All-Perfluorosulfonated-Ionomer Composite Membranes Containing Blow-Spun Fibers: Effect of a Thin Fiber Framework on Proton Conductivity and Mechanical Properties

Shuta Onuki,
Yoshiki Kawai,
Hiroyasu Masunaga
et al.

Abstract: In this study, thin fiber composite polymer electrolyte membranes (PEMs) were prepared using short sidechain perfluorosulfonic acid (PFSA) ionomers, Aquivion, to create composite PEMs with improved proton conductivity and improved mechanical properties. PFSA thin fiber webs prepared by blow spinning and successive hot pressing were used as the porous substrate. Herein, PFSA ionomers were used for both the substrate and the matrix of the composite PEMs, and their structures, properties, and fuel cell performanc… Show more

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