Influence of Anions on Proton-Conducting Membranes Based on Neutralized Nafion 117, Triethylammonium Methanesulfonate, and Triethylammonium Perfluorobutanesulfonate. 1. Synthesis and Properties

Influence of Anions on Proton-Conducting Membranes Based on Neutralized Nafion 117, Triethylammonium Methanesulfonate, and Triethylammonium Perfluorobutanesulfonate. 1. Synthesis and Properties

The effect of the anion structure of proton-conducting ionic liquid dopants on the properties of a Nafion 117 membrane, neutralized by triethylammonium, is described. The synthesis and the properties of proton-conducting membranes doped with triethylammonium methanesulfonate (TMS) or triethylammoniu...

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Veröffentlicht in:Journal of physical chemistry. C 2012-01, Vol.116 (1), p.1361-1369
Hauptverfasser: Noto, Vito Di, Piga, Matteo, Giffin, Guinevere A, Lavina, Sandra, Smotkin, Eugene S, Sanchez, Jean-Yves, Iojoiu, Cristina
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C: Energy Conversion and Storage
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container_issue 1
container_start_page 1361
container_title Journal of physical chemistry. C
container_volume 116
creator Noto, Vito Di
Piga, Matteo
Giffin, Guinevere A
Lavina, Sandra
Smotkin, Eugene S
Sanchez, Jean-Yves
Iojoiu, Cristina
description The effect of the anion structure of proton-conducting ionic liquid dopants on the properties of a Nafion 117 membrane, neutralized by triethylammonium, is described. The synthesis and the properties of proton-conducting membranes doped with triethylammonium methanesulfonate (TMS) or triethylammonium perfluorobutanesulfonate (TPFBu) ionic liquids are described. The properties of the doped membranes were investigated by thermogravimetric analysis, differential scanning calorimetry, and dynamic-mechanical analysis. The key findings are that the uptake of the ionic liquid is ca. 25 and 40 wt % for TMS and TPFBu, respectively, and these ionic liquid dopants extend the membranes thermal stability to 140 °C. Information concerning the structure and the interactions between the membrane components was obtained by Fourier transform infrared spectroscopy.
doi_str_mv 10.1021/jp204241y
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title Influence of Anions on Proton-Conducting Membranes Based on Neutralized Nafion 117, Triethylammonium Methanesulfonate, and Triethylammonium Perfluorobutanesulfonate. 1. Synthesis and Properties
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