A modified suspension spray combined with particle gradation method for preparation of protonic ceramic membrane fuel cells

Kui Xie, Ruiqiang Yan, Dehua Dong, Songlin Wang, Xiaorui Chen, Tao Jiang, Lin Bin, Ming Wei, Xingqin Liu*, Guangyao Meng

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

28 Scopus citations

Abstract

In order to prepare a dense proton-conductive Ba(Zr0.1Ce0.7)Y0.2O3-δ (BZCY7) electrolyte membrane, a proper anode composition with 65% Ni2O3 in weight ratio was determined after investigating the effects of anode compositions on anode shrinkages for co-sintering. The thermal expansion margins between sintered anodes and electrolytes, which were less than 1% below 750 °C, also showed good thermal expansion compatibility. A suspension spray combined with particle gradation method had been introduced to prepare dense electrolyte membrane on porous anode support. After a heat treatment at 1400 °C for 5 h, a cell with La0.5Sr0.5CoO3-δ (LSCO) cathode was assembled and tested with hydrogen and ammonia as fuels. The outputs reached as high as 330 mW cm-2 in hydrogen and 300 mW cm-2 in ammonia at 700 °C, respectively. Comparing with the interface of another cell prepared by dry-pressing method, this one also showed a good interface contact between electrodes and electrolyte. To sum up, this combined technique can be considered as commercial fabrication technology candidate.

Original languageEnglish (US)
Pages (from-to)576-583
Number of pages8
JournalJournal of Power Sources
Volume179
Issue number2
DOIs
StatePublished - May 1 2008

Keywords

  • BaZrCeYO
  • Interface
  • Particle gradation
  • Solid oxide fuel cells
  • Suspension spray

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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