期刊
IONICS
卷 21, 期 3, 页码 705-717出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s11581-014-1230-0
关键词
AC conductivities; Li+ conductors; Composite electrolytes; Electrochemical characterizations; Polymer electrolytes
Nanocomposite polymer blend electrolytes composed of PEO-P(VdF-HFP)-LiClO4 were prepared for various concentrations of TiO2 nanofiller. All the composite electrolytes were subjected to ultrasonic irradiation for enhancing the ionic conductivity of the composite electrolytes. It was noted that the ultrasonic irradiated samples exhibited a higher ionic conductivity than the non-radiated samples. In addition, filler concentration in the complex was also optimized based on ionic conductivity, and it was noted that the sample containing 6 wt% showed maximum value about 1.451 x 10(-5) S cm(-1); however, this is lower than the value obtained from the irradiated samples (2.27 x 10(-4) S cm(-1)). The dielectric, modulus and tangent loss behaviour of the samples were also estimated and discussed. Thermal and surface images studies were also carried out using TG/DTA and AFM studies, respectively. In addition, mobility and diffusion coefficient characteristics were also evaluated.
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