Investigations on PVdF- HFP - PEMA polymer blend electrolytes doped with different lithium salts

14th International Conference on Science, Engineering and Technology

自然科学;工业技术

Ubarhande, Radha Manojkumar^1 ; Bhattacharya, Shreya^1 ; Usha Rani, M.^2 ; Babu, Ravi Shanker^2 ; Krishnaveni, S.^3

Department of Physics, School of Advanced Sciences, VIT University, Vellore, Tamil Nadu

632014, India^1

Centre for Crystal Growth, VIT University Vellore, Tamil Nadu

632014, India^2

Department of Physics, Alagappa Govt. Arts and Science College, Karaikudi, Tamil Nadu, India^3

关键词: AC impedance analysis;    Fourier transform infra reds;    Plasticized polymers;    Poly(vinylidene fluoride-co-hexafluoropropylene);    Poly-(ethylmethacrylate);    Polymer electrolyte;    Solution-casting technique;    Structural character;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/263/2/022004/pdf
DOI  :  10.1088/1757-899X/263/2/022004

来源: IOP

【 摘 要 】

Plasticized polymer blend electrolytes were prepared by incorporating poly (vinylidenefluoride-co-hexafluoropropylene)(PVdF-HFP) and poly(ethylmethacrylate) (PEMA) complexed with plasticizer (PC) and different lithium salts such as LiClO4, LiBF4, LiCF3SO3and LiN (CF3SO2)2) using solution-casting technique. X-ray diffraction and Fourier transform infra-red techniques confirms the structural characters and complex formation of the polymer electrolytes respectively. AC impedance analysis was carried out for all the samples in the range303-373K. The results suggest that among the various lithium salts, LiN (CF3SO2)2) based electrolytes exhibited the highest ionic conductivity (3.17 × 10-3Scm-1).