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Proton-conducting zirconium phosphate/poly(vinyl acetate)/glycerine gel electrolytes
Authors:G.?Vaivars,M.?Furlani,B.-E.?Mellander,C.?G.?Granqvist  author-information"  >  author-information__contact u-icon-before"  >  mailto:claes-goran.granqvist@angstrom.uu.se"   title="  claes-goran.granqvist@angstrom.uu.se"   itemprop="  email"   data-track="  click"   data-track-action="  Email author"   data-track-label="  "  >Email author
Affiliation:(1) Department of Materials Science, The Ångström Laboratory, Uppsala University, P.O. Box 534, SE-751 21 Uppsala, Sweden;(2) Institute of Solid State Physics, University of Latvia, Kengaraga 8, 1063 Riga, Latvia;(3) Physics and Engineering Physics, Chalmers University of Technology and Göteborg University, SE-412 96 Gothenburg, Sweden
Abstract:This work reports on a proton gel electrolyte composed of zirconium phosphate (ZP) particles suspended in a poly(vinyl acetate)/glycerine matrix. The material was studied by X-ray powder diffraction, differential scanning calorimetry, impedance spectroscopy, and spectrophotometry. It had a proton conductivity of 1–0.1 mS/cm at room temperature and remained stable and transparent up to at least 110 °C; it therefore appears suitable for uses in electrochromic devices. The structure of the ZP powder and of the gel is discussed in terms of water removal from interplanar spaces by heating or exfoliation. It is suggested that an exfoliation of the layered structure of ZP by intercalation of glycerine produces a dispersion of ZP nanoparticles in the poly(vinyl acetate)/glycerine matrix.
Keywords:Electrochromic device  Poly(vinyl acetate)/glycerine matrix  Proton gel electrolyte  Zirconium phosphate
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