Electrical, dielectric and electrochemical characterization of novel poly(acrylic acid)-based polymer electrolytes complexed with lithium tetrafluoroborate

Ngai, Koh Sing and Ramesh, Subramaniam and Ramesh, Kasi and Juan, Joon Ching (2018) Electrical, dielectric and electrochemical characterization of novel poly(acrylic acid)-based polymer electrolytes complexed with lithium tetrafluoroborate. Chemical Physics Letters, 692. pp. 19-27. ISSN 0009-2614

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Official URL: https://doi.org/10.1016/j.cplett.2017.11.042

Abstract

A series of novel poly(acrylic acid)-based polymer electrolytes with high conductivities at room temperature has been prepared and studied. Polymer electrolytes composed of poly(acrylic acid) (PAA) and lithium tetrafluoroborate (LiBF4) were prepared by means of solution casting. The effect of the addition of LiBF4 on the properties of the PAA-based electrolyte matrices was analysed and investigated using impedance spectroscopy. The optimized PAA-based solid electrolyte showed an electrochemical stability window of 3.2 V. Thermogravimetric analysis indicated that the incorporation of LiBF4 into PAA matrix enhances the thermal stability. The structural properties of polymer electrolytes were studied by using X-ray diffraction analysis.

Item Type: Article
Uncontrolled Keywords: Poly(acrylic acid); Lithium tetrafluoroborate; Polymer electrolyte; Ionic conductivity; Dielectric permittivity
Subjects: Q Science > Q Science (General)
Q Science > QC Physics
Divisions: Faculty of Science > Dept of Physics
Deputy Vice Chancellor (Research & Innovation) Office > Nanotechnology & Catalysis Research Centre
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 07 May 2019 04:12
Last Modified: 07 May 2019 04:12
URI: http://eprints.um.edu.my/id/eprint/21135

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