Structural and ionic transport in biopolymer electrolyte-based PVA: NaAlg with NH4Cl for electrochemical applications

The SC (solution casting) method was used for the preparation PVA/sodium alginate (NaAlg)-based solid-blend electrolytes with different wt % of ammonium chloride (NH 4 Cl). XRD, FTIR, and AC impedance technique were used to analyse the prepared solid-blend polymer electrolytes. XRD studies revealed...

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Bibliographic Details
Published in:Journal of materials science. Materials in electronics 2023-04, Vol.34 (11), p.963, Article 963
Main Authors: Jansi, R., Shenbagavalli, S., Revathy, M. S., Deepalakshmi, S., Indumathi, P., Mohammed, Mustafa K. A.
Format: Article
Language:English
Subjects:
Ammonium chloride
Biopolymers
Characterization and Evaluation of Materials
Charge transport
Chemistry and Materials Science
Electrochemical analysis
Electrolytes
Ion currents
Materials Science
Molten salt electrolytes
Optical and Electronic Materials
Physics
Polymer blends
Polyvinyl alcohol
Salt
Sodium alginate
Solid electrolytes
Spectrum analysis
Temperature dependence
X-ray diffraction
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Summary:The SC (solution casting) method was used for the preparation PVA/sodium alginate (NaAlg)-based solid-blend electrolytes with different wt % of ammonium chloride (NH 4 Cl). XRD, FTIR, and AC impedance technique were used to analyse the prepared solid-blend polymer electrolytes. XRD studies revealed amorphous phase of the prepared electrolytes and was due to the addition of NH 4 Cl. NH 4 Cl complexation with hybrid PVA/NaAlg blend was confirmed by FTIR. PVA/NaAlg/15-wt. % NH 4 Cl system observed to have better amorphous phase with a maximum ionic conductivity of 1.014 × 10 - 6  S/cm. The temperature-dependent ionic conductivity obeys Arrhenius behaviour. Transference number analysis implies that the charge transport was due to ions. LSV and CV studies exhibited an electrochemical behaviour. The findings of the results infers that the present SBPEs has the potentiality to be applied for electrochemical applications.
ISSN:0957-4522
1573-482X
DOI:10.1007/s10854-023-10302-3