High performance anode-supported solid oxide fuel cells with thin film yttria-stabilized zirconia membrane prepared by aerosol-assisted chemical vapor deposition

Dong Young Jang, Manjin Kim, Jun Woo Kim, Kiho Bae, Ji won Son, Meike V.F. Schlupp, Joon Hyung Shim

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

In this study, we have successfully fabricated yttria-stabilized zirconia (YSZ) electrolyte thin films by aerosol-assisted chemical vapor deposition (AACVD) for solid oxide fuel cells (SOFCs) working at an intermediate temperature range under 600C. The mix ratio of precursor sources and the deposition temperature of the AACVD process are optimized to obtain target composition and crystal structure of the YSZ film. The optimized AACVD YSZ membrane is incorporated onto Ni-YSZ anodes supported without interlayers for evaluation of SOFC performance. Fully dense 1-μm-thick AACVD YSZ electrolyte successfully produces a stable open circuit voltage (OCV) greater than 1 V at all test temperatures in the range of 450–600C. Power output of the test cell is measured as about 600 mW cm−2 at 600C. Performance of our cell is compared to that of a reference cell with the same structure but with an 8-μm-thick membrane produced by screen-printing; our cell produces 1.4 to 4 times as much power as the reference cell at all test temperatures. Electrochemical impedance analysis has confirmed that the power enhancement with the thin AACVD YSZ membrane is due to effective reduction of both ohmic and polarization resistances.

Original languageEnglish
Pages (from-to)F484-F490
JournalJournal of the Electrochemical Society
Volume164
Issue number6
DOIs
Publication statusPublished - 2017

Fingerprint

Yttria stabilized zirconia
solid oxide fuel cells
yttria-stabilized zirconia
Solid oxide fuel cells (SOFC)
Aerosols
Chemical vapor deposition
aerosols
Anodes
anodes
vapor deposition
membranes
Membranes
Thin films
thin films
cells
Electrolytes
electrolytes
Temperature
temperature
Screen printing

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Condensed Matter Physics
  • Surfaces, Coatings and Films
  • Materials Chemistry
  • Electrochemistry

Cite this

High performance anode-supported solid oxide fuel cells with thin film yttria-stabilized zirconia membrane prepared by aerosol-assisted chemical vapor deposition. / Jang, Dong Young; Kim, Manjin; Kim, Jun Woo; Bae, Kiho; Son, Ji won; Schlupp, Meike V.F.; Shim, Joon Hyung.

In: Journal of the Electrochemical Society, Vol. 164, No. 6, 2017, p. F484-F490.

Research output: Contribution to journalArticle

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