Preparation of a new nanoconductive ROMP copolymer and its application as solid polymer electrolyte

• Design of nanoconductive ROMP copolymers as SPEs.
• The effect of LiBF4 concentration on the conduction behavior of SPEs.
• R.t. conductivity ≥1.27 × 10−5 S cm−1 in case of exo-(PFPhONDI-co-PMeONDI)/LiBF4.

New thermoplastic host copolymer based on oxanorbornene dicarboximides for solid polymer electrolytes was synthesized and characterized by spectral methods. The corresponding new nanoconductive ROMP copolymers were prepared through doping of lithium salt, LiBF4. The effect of lithium concentration on the conduction behavior of new SPEs was studied. The conductivity measurements were carried out on thin films of the nanostructured solid polymer electrolytes. The maximum conductivity (1.27 × 10−5 S cm−1) was obtained for a copolymer complex with 10 wt.% LiBF4.

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