Development and application of vanadium oxide/polyaniline composite as a novel cathode catalyst in microbial fuel cell

Khadijeh Beigom Ghoreishi, Mostafa Ghasemi, Mostafa Rahimnejad, Mohd. Ambar Yarmo, Wan Ramli Wan Daud, Nilofar Asim, Manal Ismail

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

Polyaniline (Pani), vanadium oxide (V2O5), and Pani/V2O5 nanocomposite were fabricated and applied as a cathode catalyst in Microbial Fuel Cell (MFC) as an alternative to Pt (Platinum), which is a commonly used expensive cathode catalyst. The cathode catalysts were characterized using Cyclic Voltammetry and Linear Sweep Voltammetry to determine their oxygen reduction activity; furthermore, their structures were observed by X-ray Diffraction, X-ray Photoelectron Spectroscopy, Brunauer-Emmett-Teller, and Field-Emission Scanning Electron Microscopy. The results showed that Pani/V2O5 produced a power density of 79.26 mW/m2, which is higher than V2O5 by 65.31 mW/m2 and Pani by 42.4 mW/m2. Furthermore, the Coulombic Efficiency of the system using Pani/V2O5 (16%) was higher than V2O5 and Pani by 9.2 and 5.5%, respectively. Pani-V2O5 also produced approximately 10% more power than Pt, the best and most common cathode catalyst. It declares that Pani-V2O5 can be a suitable alternative for application in a MFC system.

Original languageEnglish
Pages (from-to)70-77
Number of pages8
JournalInternational Journal of Energy Research
Volume38
Issue number1
DOIs
Publication statusPublished - Jan 2014

Fingerprint

Microbial fuel cells
Polyaniline
Vanadium
Cathodes
Catalysts
Oxides
Composite materials
Platinum
Voltammetry
Field emission
Cyclic voltammetry
Nanocomposites
X ray photoelectron spectroscopy
X ray diffraction
Scanning electron microscopy
Oxygen

Keywords

  • Catalyst
  • Cathode
  • Microbial fuel cell
  • Nanocomposite
  • Pani/VO

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Fuel Technology
  • Nuclear Energy and Engineering
  • Renewable Energy, Sustainability and the Environment

Cite this

Development and application of vanadium oxide/polyaniline composite as a novel cathode catalyst in microbial fuel cell. / Ghoreishi, Khadijeh Beigom; Ghasemi, Mostafa; Rahimnejad, Mostafa; Yarmo, Mohd. Ambar; Wan Daud, Wan Ramli; Asim, Nilofar; Ismail, Manal.

In: International Journal of Energy Research, Vol. 38, No. 1, 01.2014, p. 70-77.

Research output: Contribution to journalArticle

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