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  • Polymerizable Ionic Liquids for Solid-State Polymer Electrolytes

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    HOFMANN154221.pdf (963.7Kb)
    Author(s)
    Loewe, Robert
    Hanemann, Thomas
    Hofmann, Andreas
    Griffith University Author(s)
    Hofmann, Andreas
    Year published
    2019
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    Abstract
    Eight new polymerizable ammonium-TFSI ionic liquids were synthesized and characterized with respect to an application in energy storage devices. The ionic liquids feature methacrylate or acrylate termination as polymerizable groups. The preparation was optimized to obtain the precursors and ionic liquids in high yield. All products were characterized by NMR and IR spectroscopy. Phase transition temperatures were obtained by DSC analysis. Density, viscosity and ionic conductivity of the ionic liquids were compared and discussed. The results reveal that the length of attached alkyl groups as well as the methyl group at the ...
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    Eight new polymerizable ammonium-TFSI ionic liquids were synthesized and characterized with respect to an application in energy storage devices. The ionic liquids feature methacrylate or acrylate termination as polymerizable groups. The preparation was optimized to obtain the precursors and ionic liquids in high yield. All products were characterized by NMR and IR spectroscopy. Phase transition temperatures were obtained by DSC analysis. Density, viscosity and ionic conductivity of the ionic liquids were compared and discussed. The results reveal that the length of attached alkyl groups as well as the methyl group at the polymerizable function have significant influences on the ionic liquids physicochemical properties. Ionic conductivity values vary between 0.264 mS cm−1 for [C2NA,22]TFSI and 0.080 mS cm−1 for [C8NMA,22]TFSI at 25 °C. Viscosity values are within a range of 0.762 Pa s for [C2NA,22]TFSI and 1.522 Pa s for [C6NMA,22]TFSI at 25 °C.
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    Journal Title
    MOLECULES
    Volume
    24
    Issue
    2
    DOI
    https://doi.org/10.3390/molecules24020324
    Subject
    Medicinal and biomolecular chemistry
    Organic chemistry
    Theoretical and computational chemistry
    Publication URI
    http://hdl.handle.net/10072/385181
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    • Journal articles

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