Yttria stabilized zirconia films deposited by electro-spray deposition for solid oxide fuel cells

Yongsub Yoon, Jongmo Im, Dong Wook Shin

Research output: Contribution to journalArticle

Abstract

Solid oxide fuel cells(SOFCs) are interesting as an energy conversion system of the future with high efficiency and environmental cleanness. To fabricate the micro-fuel cell for mobile applications, it is essential to develop a process for the deposition of dense electrolyte films. In this study, for a micro-SOFC application, YSZ electrolyte films were prepared by an electro-spray deposition (ESD) method. The deposition parameters studied were deposition temperature, distance between nozzle and substrate, solution concentration and DC voltage. Depending on these parameters, the surfaces were remarkably changed from cracked or rough surfaces to smooth and dense films. Dense films was prepared with the conditions of a nozzlesubstrate distance of 4 cm, a deposition temperature of 150°C, a deposition time of 4 minutes, and a voltage of 16 kV.

Original languageEnglish
Pages (from-to)186-189
Number of pages4
JournalJournal of Ceramic Processing Research
Volume10
Issue number2
StatePublished - 2009 Jul 10

Fingerprint

Yttria stabilized zirconia
Solid oxide fuel cells (SOFC)
Electrolytes
Electric potential
Energy conversion
Fuel cells
Nozzles
Temperature
Substrates

Keywords

  • ESD
  • Electrolyte
  • SOFC
  • YSZ

Cite this

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abstract = "Solid oxide fuel cells(SOFCs) are interesting as an energy conversion system of the future with high efficiency and environmental cleanness. To fabricate the micro-fuel cell for mobile applications, it is essential to develop a process for the deposition of dense electrolyte films. In this study, for a micro-SOFC application, YSZ electrolyte films were prepared by an electro-spray deposition (ESD) method. The deposition parameters studied were deposition temperature, distance between nozzle and substrate, solution concentration and DC voltage. Depending on these parameters, the surfaces were remarkably changed from cracked or rough surfaces to smooth and dense films. Dense films was prepared with the conditions of a nozzlesubstrate distance of 4 cm, a deposition temperature of 150°C, a deposition time of 4 minutes, and a voltage of 16 kV.",
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Yttria stabilized zirconia films deposited by electro-spray deposition for solid oxide fuel cells. / Yoon, Yongsub; Im, Jongmo; Shin, Dong Wook.

In: Journal of Ceramic Processing Research, Vol. 10, No. 2, 10.07.2009, p. 186-189.

Research output: Contribution to journalArticle

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