Characterizations of Pectin/Lithium Sulfate Solid Biopolymer Electrolytes

Abstract

In the present study, Pectin based Lithium sulfate added biopolymer electrolytes have been prepared by using Solution casting technique. Surface morphology of the prepared sample is investigated by Scanning Electron microscopy and crystalline nature is investigated by X-ray Diffraction. These films have a smooth surface and amorphous nature with good transparency. The Pectin is biopolymer which is ecofriendly and great abundance in earth. The maximum ionic conductivity value is obtained for 85Pectin:15Li2SO4 system. The change in ionic conductivity related to concentration of salt is also analyzed. The dielectric properties of the Pectin based system are also discussed.

Thermal and electrochemical impedance spectroscopy analysis of PAADDA film incorporated with Li2SO4

“…In addition to these properties, SCPEs present ionic conductivity that is influenced by dissociation of the salt and polymer morphology (Deshmukh et al, 2016). Among the salts used in the preparation of SCPES, the lithium salts have been widely used in batteries and supercapacitors due to their high conducting medium and recyclability (Uma et al, 2005(Uma et al, , 2004Muthuvinayagam et al, 2019;Ullah et al, 2022;Virya and Lian, 2017;Zhang et al, 2015). Specially, lithium sulfate (Li2SO4) has been applied in the development of SCPES because it has low dissociaton energy and can increase the ionic conductivy of polymer film (Zhang et al, 2015).…”