Investigations on Poly (ethylene oxide) (PEO) - blend based solid polymer electrolytes for sodium ion batteries

[摘要] Polymer blend electrolytes based on Polyethylene oxide (PEO) and polyvinyl pyrrolidone (PVP), complexed with NaIO4salt and Graphene oxide (GO) are investigated in the present report. The electrolytes are prepared by a facile solution cast technique. X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), and scanning electron microscopy (SEM) are employed to study the influence of ion-polymer interactions on the micro structural properties of blend electrolytes. Measurements of electrical conductivity of the blend polymer complexes have been performed by using complex impedance spectroscopy in the frequency range 1 Hz - 1 MHz and within the temperature range 303 K - 343 K.A study on electrical conductivity properties of GO doped 'salt complexed electrolyte' systems is presented.

[发布机构] Dipartimento di Fisica, Università degli Studi della Calabria, Via P. Bucci, Cubo 33B, Rende (CS); 87036, Italy^1;GeorgiNadjakov Institute of Solid State Physics, Bulgarian Academy of Sciences, 72 TzarigradskoChaussee, Sofia; 1784, Bulgaria^2;Institute of Optical Materials and Technologies, Bulgarian Academy of Sciences, Acad. Georgy Bonchev St. bl. 109, Sofia; 1113, Bulgaria^3;School of Physics and Technology, Key Laboratory of Artificial Micro/Nano Structures, Ministry of Education, Wuhan University, Wuhan; 430072, China^4;CNISM, Unità di Ricerca di Cosenza, C/o Dipartimento di Fisica, Universitádegli Studi della Calabria, Via P. Bucci Cubo 31C, Rende (CS); 87036, Italy^5

[效力级别] 材料科学 [学科分类] 材料科学（综合）

[关键词] Complex impedance spectroscopy;Electrical conductivity;Ion-polymer interaction;Micro-structural properties;Polyethylene oxide (PEO);Polyvinyl pyrrolidone;Solid polymer electrolytes;Temperature range