Development of Sr0.6Ba0.4Ce0.9Pr0.1O3-δ Electrolyte for Proton-Conducting Solid Oxide Fuel Cell Application

N. W. Norman, W. N.A. Wan Yusoff, A. A. Jais, Mahendra Rao Somalu, Andanastuti Muchtar

Research output: Contribution to journalConference article

Abstract

Sr0.6Ba0.4Ce0.9Pr0.1O3-δ is synthesized by the glycine-nitrate method. The synthesized powder and resultant electrolyte pellet are systematically characterised for proton-conducting solid oxide fuel cell application. The thermal decomposition and purity of the electrolyte powder were analysed by thermogravimetric analysis (TGA) and X-ray diffraction (XRD), respectively. The morphological structure and chemical stability of the electrolyte pellets are examined by field-emission scanning electron microscopy (FESEM) and XRD, respectively. The selective material decomposes at 1000 °C as recorded by TGA. The calcined powder at 1000 °C is used to produce the electrolyte pellet. The pellet sintered at 1400 °C achieves the average relative density of 94% as measured by Archimedes' method and displays good grain growth with a visible grain boundary. The chemical stability of the pellet is also determined under boiling water for 2 h. The tolerance towards H2O for the sample improved with the presence of Sr upon exposure to boiling water even though some amorphous phase forms. Based on the result, Sr0.6Ba0.4Ce0.9Pr0.1O3- δ is considered as a potential electrolyte for proton-conducting solid oxide fuel cells.

Original languageEnglish
Article number012147
JournalIOP Conference Series: Earth and Environmental Science
Volume268
Issue number1
DOIs
Publication statusPublished - 2 Jul 2019
EventInternational Conference on Sustainable Energy and Green Technology 2018, SEGT 2018 - Kuala Lumpur, Malaysia
Duration: 11 Dec 201814 Dec 2018

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fuel cell
electrolyte
oxide
X-ray diffraction
thermal decomposition
grain boundary
tolerance
scanning electron microscopy
nitrate
water
chemical
method
analysis

ASJC Scopus subject areas

  • Environmental Science(all)
  • Earth and Planetary Sciences(all)

Cite this

Development of Sr0.6Ba0.4Ce0.9Pr0.1O3-δ Electrolyte for Proton-Conducting Solid Oxide Fuel Cell Application. / Norman, N. W.; Wan Yusoff, W. N.A.; Jais, A. A.; Somalu, Mahendra Rao; Muchtar, Andanastuti.

In: IOP Conference Series: Earth and Environmental Science, Vol. 268, No. 1, 012147, 02.07.2019.

Research output: Contribution to journalConference article

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