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Materials Research Society, Materials Research Society Symposium Proceedings, (756), 2002

DOI: 10.1557/proc-756-ee2.10

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Increasing the Operating Temperature of Nafion Membranes with Addition of Nanocrystalline Oxides for Direct Methanol Fuel Cells

Journal article published in 2002 by Vincenzo Baglio ORCID, Alessandra Di Blasi, A. S. Arico, Antonino S. Arico', Vincenzo Antonucci, Pier Luigi Antonucci, Francesca Serraino Fiory, Silvia Licoccia, Enrico Traversa
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

ABSTRACTComposite Nafion membranes containing various amounts of TiO2 (3%, 5% and 10%) were prepared by using a recast procedure for application in high temperature Direct Methanol Fuel Cells (DMFCs). The electrochemical behaviour was compared to that of a membrane-electrode assembly (MEA) based on a bare recast Nafion membrane. All the MEAs containing the Nafion-titania membranes were able to operate up to 145°C, whereas the assembly equipped with the bare recast Nafion membrane showed the maximum performance at 120°C. A maximum power density of 340 mW cm-2 was achieved at 145°C with the composite membrane in the presence of oxygen feed, whereas the maximum power density with air feed was about 210 mW cm-2.