Flexible and free standing solid polymer electrolytes are prepared using solution casting technique comprising PMMA and LiNO3. The properties of the polymer system are further improved by adding nanofillers to the polymer matrix. Hence in the present work, the nanofiller Al2O3 is added to PMMA‐LiNO3 network. The increase in amorphous nature of the polymer with increase in LiNO3 and Al2O3 is revealed by XRD. The interaction of LiNO3 and Al2O3 with the polymer PMMA is analyzed by FTIR.
Solid polymer electrolyte (SPE) film, based on poly(methyl methacrylate)‐PMMA complexed with lithium nitrate (LiNO3), has been developed by solution casting method. AC impedance spectroscopy technique has been employed to study the ionic conductivity of the complex. Also, the effect of addition of nano Al2O3 particles on the ionic conductivity of the complex is studied.
Solid polymer electrolytes comprising PMMA doped with LiNO3 have been prepared by solution casting technique using THF as solvent. To increase the properties of SPE, dispersion of nanoparticles into the polymer network is a challenging and reliable one. In this work, we first report that the nanoparticle TiO2 provided substantial changes, when it is added to the complex of PMMA‐LiNO3 as supported by TG‐DTA technique. In addition, the structural disruption of PMMA‐LiNO3 dispersed with TiO2 has been analyzed by XRD technique. The significance in the present work paves the way for the design of solid electrolytes in electrochemical devices.
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