Journal of Applied Electrochemistry

, Volume 34, Issue 6, pp 637–641 | Cite as

Production of Dense Yttria-Stabilized Zirconia Thin Films by Dip-Coating for IT-SOFC Application

  • Yonglian Zhang
  • Jianfeng Gao
  • Guangyao Meng
  • Xingqin LiuEmail author


Yttria-stabilized zirconia (YSZ) thin films were prepared by conventional and modified dip-coating techniques followed by heating to an appropriate temperature in air. Scanning electron microscopy showed that films of the thickness ranging from 20 to 30 μm were dense and crack-free. The electrical properties of the films were investigated by ac impedance spectroscopy. La0.8Sr0.2MnO3 paste was printed on to a YSZ electrolyte/anode assembly to create single fuel cells which were tested in the temperature range 650–800 °C. The results showed that both open circuit voltage (OCV) and maximum power density values of the cells with electrolytes produced by the modified dip coating were higher than those fabricated by conventional processing. At 800 °C, the OCV reached 0.98 V and a maximum power density of 190 mW cm−2 was attained, demonstrating that the modified dip coating process is a simple and cost-effective fabrication technique for IT-SOFCs, though further improvement is necessary.

dip-coating electrolyte IT-SOFCs thin films yttria-stabilized zirconia (YSZ) 


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Copyright information

© Kluwer Academic Publishers 2004

Authors and Affiliations

  • Yonglian Zhang
    • 1
  • Jianfeng Gao
    • 1
  • Guangyao Meng
    • 1
  • Xingqin Liu
    • 1
    Email author
  1. 1.Department of Materials Science and EngineeringUniversity of Science and Technology of ChinaHefei, AnhuiPR China

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