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Characterization of Sulfonated Poly(ether ether ketone)/Silane Nanocomposite Membrane for High Temperature Polymer Electrolyte Membrane Fuel Cells

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Abstract:

The perfluorosulfonic acid polymer membrane is most widely used in PEMFCs. However, its some major drawbacks like high cost and performance limitation at high temperature are obstacles of its commercialization. The goal of this study was to develop low cost membranes which have good conductivity in the range of PEMFCs operating temperature. We fabricated new sPEEK/3-APTES nanocomposite membrane where inorganic particles were chemically bonded to sulfuric acid group of sPEEK. PEEK is a thermally stable, mechanically tough and very cheap polymer. And the addition of 3-APTES and phosphorous acid increased the proton conductivity of composite membranes at high temperatures. This nanocomposite membranes maintained good conductivity at 110 °C.

Keywords: HIGH TEMPERATURE MEMBRANE; PHOSPHOROUS ACID; POLYMER ELECTROLYTE MEMBRANE FUEL CELL (PEMFC); SPEEK; SULFONATED POLY(ETHER ETHER KETONE)

Document Type: Research Article

DOI: https://doi.org/10.1166/jnn.2011.3186

Publication date: 2011-01-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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