Ion conducting nano-composite polymer electrolytes: synthesis and ion transport characterization

摘要: Synthesis and ion transport characterization of a new K+-ion conducting nano-composite polymer electrolytes (NCPEs): (1−x) [70PEO:30KBr] + x SiO2, where 0 < 20 wt%, are reported. The present NCPEs have been cast using novel hot-press technique in place the traditional solution method. conventional solid electrolyte (SPE) composition: (70PEO:30KBr), identified as highest composition at room temperature, has used first-phase host matrix nano-size (~8 nm) particles SiO2 second-phase dispersoid. As consequence dispersal SPE host, two orders conductivity enhancement observed NCPE [95(70PEO:30KBr) 5SiO2] this referred to optimum (OCC). polymer-salt/nano-filler complexation thermal properties were done with help XRD, FTIR, SEM, DSC TGA studies. behavior discussed on basis experimental measurements some basic ionic parameters, viz. (σ), mobility (μ), mobile concentration (n), transference number (tion), etc. temperature-dependent studies OCC activation energy (Ea) value was determined log σ−1/T Arrhenius plot.