High Conductivity Perfluorosulfonic Acid Nanofiber Composite Fuel-Cell Membranes

Jonghyun Choi, Ryszard Wycisk, Wenjing Zhang, Peter N. Pintauro, Kyung Min Lee, Patrick T. Mather

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Membranes are fabricated as a three-dimensional network of interconnected proton-conducting ionomer nanofibers that are embedded in an inert polymer matrix. The inert polymer controls water swelling of the nanofibers, thus permitting the fibers to have an ion-exchange capacity much greater than that which is practical in a homogeneous membrane. Such a high ion-exchange capacity membrane is needed for proton conduction in a hydrogen/air fuel cell that operates at high temperature and low humidity conditions.
Original languageEnglish
JournalChemSusChem (Print)
Volume3
Issue number11
Pages (from-to)1245-1248
ISSN1864-5631
DOIs
Publication statusPublished - 2010
Externally publishedYes

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