Ion Transport in the Polymer Electrolytes Formed between Poly(ethylene succinate) and Lithium Tetrafluoroborate.
Interim technical rept.,
NORTHWESTERN UNIV EVANSTON IL
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Solid electrolyte complexes of polyethylene succinate, PESc, and LiBF4 were proposed from the melt and found to be the compound amorphous over the polymer repeat unit to salt formula unit range of 11 to 31. Preparations with larger amounts of salt contained a pure salt phase, and at salt concentrations below the 31 ratio, free crystalline polymer was observed. Within the 11 to 31 concentration range, increasing salt concentration was accompanied by decreasing conductivity, and increasing glass transition temperatures. This behavior is discussed in terms of a Gibbs-Adams-like excess entropy model. Author
- Physical Chemistry
- Nuclear Physics and Elementary Particle Physics