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Multivalent cation conductive solid polymer electrolytes using photo-cross-linked polymers:II. Magnesium and zinc trifluoromethanesulfonate systems

Authors
Journal
Solid State Ionics
0167-2738
Publisher
Elsevier
Publication Date
Volume
121
Identifiers
DOI: 10.1016/s0167-2738(99)00028-4
Keywords
  • Magnesium Trifluoromethanesulfonate
  • Photo-Cross-Linked Polymer
  • Solid Polymer Electrolytes
  • Tetraethylene Glycol Diacrylate
  • Zinc Trifluoromethanesulfonate

Abstract

Abstract Solid polymer electrolytes have been prepared consisting of magnesium or zinc trifluoromethanesulfonates [Mg(CF 3SO 3) 2 or Zn(CF 3SO 3) 2], ethylene carbonate, and propylene carbonate included in a photo-crosslinked polymer of poly-(ethylene glycol) diacrylate and reinforced by a porous polypropylene membrane. Their conductivities are 1.7×10 −4 S cm −1 at 1 mol% for Mg(CF 3SO 3) 2, 2.1×10 −4 S cm −1 at 4 mol% for Zn(CF 3SO 3) 2, and 4.3×10 −4 S cm −1 at 12 mol% for LiCF 3SO 3 systems at 25°C. Their Arrhenius plots are almost linear between −5 and 55°C with 15–25 kJ mol −1 activation energy for conduction.

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