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CHARACTERIZATION OF PEO C ONDUCTING POLYMER ELECTROLYTE COMPLEXED WITH KNO 3 ALKALI SALT AND NB 2 O 5 NANO - FILLER

Journal: International Journal of Engineering Sciences & Research Technology (IJESRT) (Vol.5, No. 6)

Publication Date:

Authors : ;

Page : 21-28

Keywords : Polymer electrolyte; polymer nano - composite; solution cast technique; AC conductivity; activation Energy; dielectric constant; dielectric loss; electric modules;

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Abstract

Conducting solid phase polymer electrolyte (SPE) films were synthesized using solution casting technique. In the present study the polyethylene oxide [PEO] complexed with potassium nitrate [KNO 3 ] as alkali salt group and Nb 2 O 5 as nano fillers with weight percentile [5 - 15%] ratios. The complexation of KNO 3 salt with the polymer matrix PEO has been characterized by X - Ray Diffraction, su rface morphology, EDAX and AC conductivity studies. The AC conductivity measurements were done in the temperature range of 303K ? 333 K using AC conductivity set up. From electrical conductivity studies it is observed that the conductivity order increased fr om fifth order to third order. The conductivity in polymer electrolyte system is due to ions of alkaline salts and Nb 2 O 5 nano - fillers which are present in polymer matrix. Several electrical and dielectric characterizations were done for these films and th e results will be discussed in detail.

Last modified: 2016-06-17 16:09:45