Electrochemical and Spectroscopic Studies of Nanocomposites Laden with BaTiO3-grafted-graphene Oxide | Zendy

S. Padmaja | Zendy; R. Nimma Elizabeth | Zendy

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Electrochemical and Spectroscopic Studies of Nanocomposites Laden with BaTiO3-grafted-graphene Oxide

Author(s) -

S. Padmaja,

R. Nimma Elizabeth

Publication year - 2018

Publication title -

international journal of scientific research in science and technology

Language(s) - English

Resource type - Journals

eISSN - 2395-602X

pISSN - 2395-6011

DOI - 10.32628/ijsrst18401163

Subject(s) - graphene , raman spectroscopy , dielectric spectroscopy , materials science , electrolyte , electrochemistry , nanocomposite , ionic conductivity , lithium (medication) , oxide , chemical engineering , faraday efficiency , conductivity , membrane , nanotechnology , chemistry , electrode , medicine , physics , engineering , endocrinology , optics , metallurgy , biochemistry

The electrochemical behavior of lithium-sulfur batteries was investigated by means of electrochemical impedance spectroscopy (EIS). Films of NCPEs (PEO+LiCF3SO3+BaTiO3-g-GO) were cast using a novel hot-press technique. The addition of filler in fractional amount to the solid polymer matrix at room temperature further enhances the ionic conductivity. The membranes were subjected to cycling, FT-IR and Raman spectroscopic analyses. The occurrence of ion-ion pairs interaction has been identified using FT-IR and Raman analysis. Cells with this electrolyte have a high coulombic efficiency of 98% and a high cycling stability.

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