Enhancement Of Ionic Conductivity In The Semi Crystalline Nanocomposites Polymer Electrolytes For Storage Applications

The use of nanocomposite polymer electrolytes (NPE) for solid state device is the basis of storage application in Lithium ion batteries. In spite of many advantages particularly in ionic conductivity enhancement, the utilization of filler with LiNO3 in the NPE matrix is almost non-existent. In this paper, the influence on ionic conductivity of TiO2 nano-filler with PMMA-LiNO3 NPE films are investigated. Structural, optical and thermal properties for without and with filler added PMMA-LiNO3 NPE are characterized. FTIR studies confirmed the complex formation between PMMA and LiNO3. The XRD study revealed that the TiO2 is acted as a solid plasticizer for the polymer electrolyte. A threefold enhancement in the ionic conductivity for PMMA-LiNO3 NPE showed an exciting result at 5 wt% with TiO2 nano-filler. The importance of these results implied that the nanosized TiO2 particles in the PMMA-LiNO3 matrix provide a new path way for the transport of lithium ions and may be suitable for energy applications.