Effect of ZnO filler on PVA-alkaline solid polymer electrolyte for aluminum-air battery applications

Marliyana Mokhtar, Edy Herianto, Azizan Ahmad, Siti Masrinda Tasirin, Wan Ramli Wan Daud

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Aluminum-air battery is a promising future energy storage device because it has a high energy density and is eco-friendly. The effects of zinc oxide filler on polyvinyl alcohol/alkaline solid polymer electrolyte for aluminum-air battery applications have been investigated. From the impedance measurement, the highest ionic conductivity achieved was 1.61 × 10-2 S cm−1 by PVA/4 wt% ZnO/2 M KOH at room temperature. From XRD analysis, crystallinity intensity decreased when KOH was added into the system. The FTIR also showed that the O-H and C-O bonds shifted to a high wavenumber, from 3282 to 3383 cm−1 and 1092 to 1103 cm−1, respectively, as the KOH concentration increased, which strengthened the bonding in the film. Thus, LSV analysis showed that the highest stability achieved by PVA/4 wt% ZnO/2 M KOH was ±2.15 V, which proved that this film is suitable in aluminum-air battery applications. Furthermore, in the aluminum-air coin cell, the longest discharge voltage time was achieved by PVA/4 wt% ZnO/2 M KOH in which the cell voltage was maintained at 1.49 to 1.53 V for almost 20 hours at 0.8 mA/cm2

Original languageEnglish
Pages (from-to)A2483-A2492
JournalJournal of the Electrochemical Society
Volume165
Issue number11
DOIs
Publication statusPublished - 1 Jan 2018

Fingerprint

Aluminum
Electrolytes
Fillers
Polymers
Air
Zinc Oxide
Polyvinyl Alcohol
Polyvinyl alcohols
Electric potential
Ionic conductivity
Zinc oxide
Discharge (fluid mechanics)
Energy storage
Temperature

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Surfaces, Coatings and Films
  • Electrochemistry
  • Materials Chemistry

Cite this

Effect of ZnO filler on PVA-alkaline solid polymer electrolyte for aluminum-air battery applications. / Mokhtar, Marliyana; Herianto, Edy; Ahmad, Azizan; Tasirin, Siti Masrinda; Wan Daud, Wan Ramli.

In: Journal of the Electrochemical Society, Vol. 165, No. 11, 01.01.2018, p. A2483-A2492.

Research output: Contribution to journalArticle

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