Polymeric electrolytes consisting of oligo(ethylene oxide)-grafted polymethacrylate (PEO-PMA) matrix, linear polyether and magnesium salts have been prepared, and their electrochemical behavior as solid Mg2+ ion conductors has been examined. Thermal analyses showed that the obtained polymeric electrolytes are homogeneous and amorphous over a wide temperature range. The conductivity depended much on the kind of the dissolved magnesium salt. The highest conductivity was obtained for the polymeric electrolyte containing Mg[(CF3SO2)2N]2 (>10-4 S cm-1 at room temperature). The dc polarization of a Pt/Mg cell using the polymeric electrolyte proved that Mg2+ is mobile in the present polymeric system. A prototype cell was constructed using the polymeric electrolyte with a Mg (or Li) anode and a V2O5 cathode, where the intercalation-deintercalation of Mg2+ occurred reversibly. © 2002 Elsevier Science B.V. All rights reserved.
CITATION STYLE
Yoshimoto, N., Yakushiji, S., Ishikawa, M., & Morita, M. (2002). Ionic conductance behavior of polymeric electrolytes containing magnesium salts and their application to rechargeable batteries. In Solid State Ionics (Vol. 152–153, pp. 259–266). https://doi.org/10.1016/S0167-2738(02)00308-9
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