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New poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-co-HFP)/ZrO2-based nanocomposite porous polymer membranes were prepared with doping of magnesium ions using THF as solvent. These membranes were prepared using the solvent casting technique. The optimal nanofiller (0, 2, 4, 6, 8 and 10% Zr nanopowder) was incorporated into the PVDF-co-HFP/MgTf3/ZrO2 and the incorporation of the nanofiller results in an increase in the porosity of the prepared membranes. The structural, morphological and thermal properties of the nanocomposite porous polymer membranes were also investigated. The structural investigation and the identification of functional groups were accomplished using FTIR technique. X-ray diffraction (XRD) analysis was performed to ascertain the phase of polymer membranes and the phase change that happens upon interaction with nanofiller and Mg2+ ions. Assessment of the nanocomposite porous polymer membrane's morphology and porous structure was performed using a scanning electron microscope (SEM). DSC analysis was used to evaluate the thermal behaviour of the nanocomposite porous membranes. The electrical and dielectric studies confirmed the structural reformation of the polymer electrolyte materials. It was found that 8% nanofiller is the best conducting composition for maximum ionic conductivity, dielectric constant and Mg2+ ion mobility. The incorporation of ZrO2 nanofiller predominantly increases the number of free ions and mobility of the charge carriers in the composite polymer electrolyte systems.

In this particular study, porous structured solid PVDF-co-HFP: MgTf3 polymer electrolytic membranes are made by using the solution cast method. PVDF-co-HFP is a material that has outstanding performance and has been extensively used in the preparation of solid polymer electrolyte membranes (SPEM). The use of SPEM with high porosity structure has the potential to increase the conductivity, which may result in enormous applications in the development of future batteries. The addition of the inorganic salt particles (Magnesium trifluoromethanesulfonate (MgTf3)) and coating of the SPEM with a variety of polymer media for the manufacture of storage devices are just two of the many methods that have been tried in an effort to decrease the pore size and the number of pores in the SPEM. The current research was successful in decreasing pores’ size and increasing the amorphous nature of the solid polymer membrane with the addition of the metal salt particles as an inorganic filler. The chemical structure of the prepared SPEM was investigated using Fourier transform infrared spectroscopy (FTIR), and a scanning electron microscope (SEM) was utilized to explore the surface morphology and to find pores in the SPEM. X-ray diffraction (XRD) analysis was used to confirm the surface morphology of the PVDF-co-HFP membrane and the PVDF-co-HFP-MgTf3. A differential scanning calorimetry (DSC) investigation was carried out the determining the electrochemical consistency of the PVDF-coHFP and PVDF-co-HFP: MgTf3 membranes. According to the research, inorganic salt particles can make PVDF-coHFP: MgTf3 membranes less porous, increase the conductivity of ions and make the membrane more stable when it is filled with electrolytes and electrodes.