Cover Page November-2012, Current Issue-Advanced Materials Letters

Advanced Materials Letters

Volume 3, Issue 5, Pages 406-409, November 2012, Current Issue
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Ionic Conductivity And Electrochemical Cell Studies Of New Mg2+ ion Conducting PVA/PEG Based Polymer Blend Electrolytes 

Anji Reddy Polu1,*, Ranveer Kumar2 and K Vijaya Kumar1

1Department of Physics, K L University, Guntur, Andhra Pradesh 522502, India
2Department of Physics, Dr. H S Gour University (A Central University), Sagar 470003, M.P., India

Adv. Mater. Lett., 2012, Current Issue, 3 (5), pp 406-409

DOI: 10.5185/amlett.2012.6375

Publication Date (Web): Sep 16, 2012

E-mail: reddyphysics06@gmail.com

Abstract

Solid Polymer blend electrolytes based on Polyvinyl alcohol (PVA) and Polyethylene glycol (PEG) complex with Mg(CH3COO)2 at different weight percent ratios were prepared using solution cast technique. Conductivity in the temperature range 303-373 K and transference number measurements have been employed to investigate the charge transport in this solid polymer electrolyte system. The highest conductivity is found to be 3.23 x 10-5 S/cm at 373K for sample with 30 weight percent of Mg(CH3COO)2 in PVA/PEG blend matrix. Transport number data shows that the charge transport in this polymer electrolyte system is predominantly due to ions. Using this electrolyte, an electrochemical cell with configuration Mg /(PVA+PEG+Mg(CH3COO)2)/ (I2+C+electrolyte) was fabricated and its discharge characteristics profile has been studied.

Keywords

Polymer electrolytes, ionic conductivity, transport number, discharge characteristics.

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