Stable BaCe 0.5 Zr 0.3 Y 0.16 Zn 0.04 O 3-δ thin membrane prepared by in situ tape casting for proton-conducting solid oxide fuel cells

Shangquan Zhang, Lei Bi, Lei Zhang, Zetian Tao, Wenping Sun, Haiqian Wang, Wei Liu*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

Stable BaCe 0.5 Zr 0.3 Y 0.16 Zn 0.04 O 3-δ (BCZYZ) thin membrane was successfully prepared by in situ tape casting/co-firing method for proton-conducting solid oxide fuel cells. The starting powders were BaCO 3 , CeO 2 , ZrO 2 , Y 2 O 3 , ZnO for electrolyte and BaCO 3 , CeO 2 , ZrO 2 , Y 2 O 3 , ZnO, NiO, graphite for anode. The anode/electrolyte bi-layers were prepared by a simple multi-layer tape casting/co-firing method. The phase characterizations and microstructures were studied by X-ray diffraction (XRD) and scanning electron microscopy (SEM). The anode-electrolyte bi-layers were sintered at 1450 °C. The electrolytes were extremely dense with pure perovskite phase and the thickness was about 25 μm. The anodes were porous and no obvious reaction was found between NiO and BCZYZ. With LaSr 3 Co 1.5 Fe 1.5 O 10-δ (LSCF)/BCZYZ as cathode, the open current voltage and maximum power density respectively, reached 1.00 V and 247 mW cm -2 at 650 °C.

Original languageEnglish (US)
Pages (from-to)343-346
Number of pages4
JournalJournal of Power Sources
Volume188
Issue number2
DOIs
StatePublished - Mar 15 2009

Keywords

  • BaCe Zr Y Zn O
  • Protonic conductor
  • Solid oxide fuel cells
  • Tape casting

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering

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