Fabrication and characterization of t-ZrO2 supported small tubular SOFC

A. H.M.Esfakur Rahman, Shamiul Islam, Jong Hee Kim, Byong Taek Lee

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Abstract

Using multi-pass extrusion process, a t-ZrO2 support tube for small tubular solid oxide fuel cell (SOFC) was fabricated. After burning out of extrusion binder, lubricant and pore former, SOFC functional layers have been coated on the tube by slurry dip coating method. The cell configuration was composed of NiO-8YSZ, 8 mol% yttria stabilized zirconia (8YSZ), Gd 0.2Ce0.8O1.9-x, (GDC) and La 0.6Sr0.4Co0.2Fe0.8O3 (LSCF) on the t-ZrO2 supported tube as anode, electrolyte, interlayer and cathode, respectively. Dense microstructure of electrolyte was achieved by co-sintering. Maximum power density of 349 mW/cm2was obtained at 850°C using pure H2 as fuel and stagnant air. The cell showed stability for a time period of 100 h at 850°C.

Original languageEnglish (US)
Pages (from-to)1131-1133
Number of pages3
JournalJournal of the Ceramic Society of Japan
Volume117
Issue number1370
DOIs
StatePublished - Oct 2009

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

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