Abstract
Conducting polymer electrolyte films were prepared based on poly (vinylidene fluoride) (PVdF) and poly (vinyl alcohol) (PVA) by using a solution casting technique. The optimized PVdF-PVA polymer blend ratio was doped with different concentrations of NH4NO3 and polymer blend electrolytes were prepared. The increase in amorphous nature of the polymer electrolytes was confirmed by X-ray diffraction (XRD) analysis and optical microscopic studies. The complex formation between the polymers and the salt was confirmed by Fourier transform infrared spectroscopy (FTIR) analysis. The ac impedance studies were performed to evaluate the ionic conductivity of the polymer electrolyte membranes in the range 303–333 K and the highest ionic conductivity was found to be 2.91×10-4 S/cm at ambient temperature for PVdF-PVA-NH4NO3 (80:20:25 MWt%) polymer electrolyte, with activation energy Ea=0.7 eV. The dielectric behavior of the electrolytes was also studied.
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Articles in the same Issue
- Masthead
- Masthead
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- Considerations for the design of polymeric biodegradable products
- Original articles
- Study on copolymers synthesized from 2,3-epoxypropyl-3-(2-furyl) acrylate – styrene and their glass fiber reinforced composites
- Proton conducting polymer electrolytes based on PVdF-PVA with NH4NO3
- Preparation of starch-based styrene acrylate emulsion used as surface-treatment agent for decorative base paper
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Articles in the same Issue
- Masthead
- Masthead
- Review
- Considerations for the design of polymeric biodegradable products
- Original articles
- Study on copolymers synthesized from 2,3-epoxypropyl-3-(2-furyl) acrylate – styrene and their glass fiber reinforced composites
- Proton conducting polymer electrolytes based on PVdF-PVA with NH4NO3
- Preparation of starch-based styrene acrylate emulsion used as surface-treatment agent for decorative base paper
- Thermal degradation kinetics and mechanism of epoxidized natural rubber
- The thermal degradation behavior of meta- and para- hetero-amide fibers by TGA-FTIR
- Determination of partially hydrolyzed polyacrylamide in wastewater produced from polymer flooding by colloid titration
- Mechanical, electrical and tribological properties of graphite filled polyamide-6 composite materials
- Modification and improvement of acrylic emulsion paints by reducing organic raw materials and using silica nanocomposite
- Preparation and characterization of positively charged polysulfone nanofiltration membranes
- Contribution of rice husk ash to the performance of polymer mortar and polymer concrete