Mid-temperature solid oxide fuel cells with thin film ZrO2

Y2O3 electrolyte

A. A. Solov'Ev, N. S. Sochugov, Anna Victorovna Shipilova, K. B. Efimova, A. E. Tumashevskaya

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Data on the mid-temperature solid-oxide fuel cells (SOFC) with thin-film ZrO2-Y2O3 (YSZ) electrolyte are shown. Such a fuel cell comprises a carrying Ni-YSZ anode, a YSZ electrolyte 3-5 μm thick formed by vacuum ion-plasma methods, and a LaSrMnO3 cathode. It is shown that the use of a combined method of YSZ electrolyte deposition, which involves the magnetron deposition of a 0.5-1.5-μm thick sublayer and its pulse electron-beam processing allows a dense nanostructured electrolyte film to be formed and the SOFC working temperature to be lowered down as the result of a decrease in both the solid electrolyte Ohmic resistance and the Faradaic resistance to charge transfer. SOFC are studied by the methods of voltammentry and impedance spectroscopy. The maximum power density of the SOFC under study is 250 and 600 mW/cm-2 at temperatures of 650 and 800°C, respectively.

Original languageEnglish
Pages (from-to)494-502
Number of pages9
JournalRussian Journal of Electrochemistry
Volume47
Issue number4
DOIs
Publication statusPublished - Apr 2011

Fingerprint

Solid oxide fuel cells (SOFC)
Electrolytes
Thin films
Temperature
Acoustic impedance
Solid electrolytes
Charge transfer
Fuel cells
Electron beams
Anodes
Cathodes
Spectroscopy
Vacuum
Ions
Plasmas
Processing

Keywords

  • impedance spectroscopy
  • magnetron deposition
  • mid-temperature solid-oxide fuel cell
  • pulse electron beam treatment
  • thin-film electrolyte
  • yttria-stabilized zirconia

ASJC Scopus subject areas

  • Electrochemistry

Cite this

Mid-temperature solid oxide fuel cells with thin film ZrO2 : Y2O3 electrolyte. / Solov'Ev, A. A.; Sochugov, N. S.; Shipilova, Anna Victorovna; Efimova, K. B.; Tumashevskaya, A. E.

In: Russian Journal of Electrochemistry, Vol. 47, No. 4, 04.2011, p. 494-502.

Research output: Contribution to journalArticle

Solov'Ev, A. A. ; Sochugov, N. S. ; Shipilova, Anna Victorovna ; Efimova, K. B. ; Tumashevskaya, A. E. / Mid-temperature solid oxide fuel cells with thin film ZrO2 : Y2O3 electrolyte. In: Russian Journal of Electrochemistry. 2011 ; Vol. 47, No. 4. pp. 494-502.
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