In this work we report the synthesis and characterization of gel-polymer electrolytes based on co-continuous polymer blends. Such blends are characterized by a bicontinuous morphology consisting of two three-dimensionally interpenetrated polymer networks. Co-continuous polymer blends are simply formed by hot-blending two immiscible polymers. The intrinsic advantage of co-continuous polymer blends consists in the possibility of selecting the polymers. One polymer (e.g., polystyrene) imparts the desired mechanical properties and the other polymer [e.g., poly(ethylene oxide)] enables the ionic conductivity via formation of a gel which contains the electrolytic solution.
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