Vibrational, electrical, dielectric and optical properties of PVA-LiPF6 solid polymer electrolytes

被引：17
|
作者：
Abarna, S. [1 ]
Hirankumar, G. [1 ]
机构：
[1] PSN Coll Engn & Technol, Ctr Sci & Appl Res, Tirunelveli 627152, Tamil Nadu, India
来源：
MATERIALS SCIENCE-POLAND | 2019年 / 37卷 / 03期
关键词：
solid polymer electrolyte; conductivity; dielectric loss; optical property; IMPEDANCE; TRANSPORT;
D O I：
10.2478/msp-2019-0037
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Solid polymer electrolytes based on polyvinyl alcohol (PVA) doped with LiPF6 have been prepared using solution casting technique. Electrical properties of prepared electrolyte films were analyzed using AC impedance spectroscopy. The ionic conductivity was found to increase with increasing salt concentration. The maximum conductivity of 8.94 x 10(-3) S.cm(-1) was obtained at ambient temperature for the film containing 20 mol% of LiPF6. The conductivity enhancement was correlated to the enhancement of available charge carriers. The formation of a complex between the polymer and salt was confirmed by Fourier transform infrared spectroscopy (FT-IR). The optical nature of the polymer electrolyte films was analyzed through UV-Vis spectroscopy.
引用
收藏
页码：331 / 337
页数：7
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