Alkylammonium-based protic ionic liquids. II. Ionic transport and heat-transfer properties: fragility and ionicity rule |
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Authors: | Anouti Mérièm Caillon-Caravanier Magaly Le Floch Corinne Lemordant Daniel |
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Institution: | Université Fran?ois Rabelais, Laboratoire CIME, Tours, France. meriem.anouti@univ-tours.fr |
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Abstract: | The physicochemical characterization of six alkylammonium-based protic ionic liquids (PILs) is presented. These compounds were prepared through a simple and atom-economic neutralization reaction between a tertiary amine and a Br?nsted acid, HX, where X- is HCOO-, CH3COO-, HF2-. The temperature dependency and the effect of added water on properties such as density, viscosity, ionic conductivity, and the thermal comportment of these PILs were measured and investigated. The results allowed us to classify them according to a classical Walden diagram and to appreciate their great "fragility". PILs have applicable perspectives in replacements of conventional inorganic acids for fuel cell devices and thermal transfer fluids. |
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