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Journal of Polymer Research
Erschienen in: Journal of Polymer Research 9/2013

01.09.2013 | Original Paper

Proton-conducting blend membranes of Nafion/poly(vinylphosphonic acid) for proton exchange membrane fuel cells

verfasst von: Unal Sen, Oktay Acar, Sevim Unugur Celik, Ayhan Bozkurt, Ali Ata, Takashi Tokumasu, Akira Miyamoto

Erschienen in: Journal of Polymer Research | Ausgabe 9/2013

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Abstract

Nafion/poly(vinylphosphonic acid) blends were synthesized and characterized in this work. Poly(vinylphosphonic acid), PVPA, was synthesized by the free-radical polymerization of vinylphosphonic acid. Then Nafion/PVPA blend membranes were prepared by means of film casting from Nafion/PVPA solutions with several molar ratios of PVPA repeat unit to –SO3H. Homogeneous Nafion/PVPA films were produced. Nafion–PVPA interactions were studied by Fourier transform infrared (FT-IR) spectroscopy. Thermal properties were investigated via thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). The TGA results illustrated that all of these Nafion/PVPA electrolytes are thermally stable up to 400 °C. The membrane properties were further characterized by studying their morphologies using scanning electron microscopy (SEM). The proton conductivity of the Nafion/P(VPA)3 blend membrane was 1.1 × 10−5 S/cm in an anhydrous state at 130 °C. The conductivities of the blends increased by at least three orders of magnitude upon hydration, exceeding 10−2 S/cm with RH = 50 % at ambient temperature.
Nächster Artikel Synthetic zinc layered hydroxide salts intercalated with anionic azo dyes as fillers into high-density polyethylene composites: first insights

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Metadaten
Titel
Proton-conducting blend membranes of Nafion/poly(vinylphosphonic acid) for proton exchange membrane fuel cells
verfasst von
Unal Sen
Oktay Acar
Sevim Unugur Celik
Ayhan Bozkurt
Ali Ata
Takashi Tokumasu
Akira Miyamoto
Publikationsdatum
01.09.2013
Verlag
Springer Netherlands
Erschienen in
Journal of Polymer Research / Ausgabe 9/2013
Print ISSN: 1022-9760
Elektronische ISSN: 1572-8935
DOI
https://doi.org/10.1007/s10965-013-0217-2

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