New polymer electrolyte nanocomposites: Melt intercalation of poly(ethylene oxide) in mica‐type silicates

Polymer electrolyte nanocomposites have been synthesized by direct melt intercalation of poly(ethylene oxide) (PEO) in layered silicates. Intercalation of the polymer chains in the silicate galleries greatly suppresses their tendency to crystallize. The conductivity of PEO/Li + -montmorillonite nanocomposite containing 40 wt% PEO is 1.6x10 -6 S/cm at 30°C and exhibits a weak temperature dependence with an activation energy of 2.8 kcal/mol

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