Dielectric Properties of Acrylonitrile–Hexyl Methacrylate Copolymer Films

What is it about?

In this study, poly(acrylonitrile-co-hexyl methacrylate), PAN-co-PHMA, copolymers with different molar ratios were prepared by emulsion technique and characterized by different methods. Various amounts of LiClO4 salt were loaded into copolymer films and the dielectric properties were investigated. The ac-conductivity of the copolymer films was significantly increased with the incorporation of the higher amount of LiClO4 salt.

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Why is it important?

It is focused on increasing the room temperature ionic conductivity as well as the mechanical performance of the GPE for Li-ion batteries. PAN(88)-co-PHMA(12) copolymer with 1.5 mol% of lithium salt exhibited ionic conductivity of the 7.8x10-4 S/cm at 298 K.