Structural and Electrical Characterization of PVA Doped Malonic and Succinic Acid Polymer Electrolytes

Author(s):

A. Alakanandana , G. Narayanamma Institute of Technology & Science, Hyderabad, India

Keywords:

Electrolyte Membranes, XRD, Electrical Conductivity, Malonic Acid, Succinic Acid, Doped PVA Electrolytes

Abstract:

Novel proton conducting solid polymer electrolyte membranes are prepared by solution cast technique based on Poly vinyl alcohol (PVA) with Malonic or Succinic Acid as dopant in varying doping concentrations up to 40 wt.%. The structural properties of PVA and complexed electrolytes are studied using XRD techniques. The electrical conductivity of pure PVA and doped PVA electrolytes are investigated. DC conductivity behavior is studied in the range 303K to 373K. It is found that PVA: Malonic acid (70:30) & PVA: Succinic acid (70:30) electrolytes exhibited the maximum conductivity. The electrical conductivity initially increased with increasing dopant concentration and then showed a decrease beyond 30 wt.% concentration. The increase in conductivity is attributed to formation of charge transfer complexes while the decrease for concentrations above 30 wt.% is due to segregation. The results obtained are presented and discussed.

Other Details:

Manuscript Id	:	IJSTEV3I7021
Published in	:	Volume : 3, Issue : 7
Publication Date	:	01/02/2017
Page(s)	:	30-35

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