Characteristics of oxygen reduction on nanocrystalline YSZ

H. Huang, Joon Hyung Shim, C. C. Chao, R. Pornprasertsuk, M. Sugawara, T. M. Gür, F. B. Prinz

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

We present a series of experimental results indicating improved oxygen reduction characteristics on nanocrystalline yttria-stabilized zirconia (YSZ) surfaces. We compare (i) cathodic interface impedances on nanocrystalline and microcrystalline YSZ, (ii) oxygen exchange rate on and bulk diffusivity in nano- and single-crystal YSZ, and (iii) bulk and surface conductivities of nano-YSZ. The results collectively indicate that the oxygen reduction/exchange rate is faster on nanocrystalline YSZ than on micro- and single-crystal YSZ, which likely is related to fast oxygen or electronic transport on the surface.

Original languageEnglish
JournalJournal of the Electrochemical Society
Volume156
Issue number3
DOIs
Publication statusPublished - 2009 Feb 9
Externally publishedYes

Fingerprint

Yttria stabilized zirconia
yttria-stabilized zirconia
Oxygen
oxygen
Ion exchange
Single crystals
single crystals
diffusivity
impedance
conductivity
electronics

ASJC Scopus subject areas

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

Cite this

Huang, H., Shim, J. H., Chao, C. C., Pornprasertsuk, R., Sugawara, M., Gür, T. M., & Prinz, F. B. (2009). Characteristics of oxygen reduction on nanocrystalline YSZ. Journal of the Electrochemical Society, 156(3). https://doi.org/10.1149/1.3058597

Characteristics of oxygen reduction on nanocrystalline YSZ. / Huang, H.; Shim, Joon Hyung; Chao, C. C.; Pornprasertsuk, R.; Sugawara, M.; Gür, T. M.; Prinz, F. B.

In: Journal of the Electrochemical Society, Vol. 156, No. 3, 09.02.2009.

Research output: Contribution to journalArticle

Huang, H, Shim, JH, Chao, CC, Pornprasertsuk, R, Sugawara, M, Gür, TM & Prinz, FB 2009, 'Characteristics of oxygen reduction on nanocrystalline YSZ', Journal of the Electrochemical Society, vol. 156, no. 3. https://doi.org/10.1149/1.3058597
Huang, H. ; Shim, Joon Hyung ; Chao, C. C. ; Pornprasertsuk, R. ; Sugawara, M. ; Gür, T. M. ; Prinz, F. B. / Characteristics of oxygen reduction on nanocrystalline YSZ. In: Journal of the Electrochemical Society. 2009 ; Vol. 156, No. 3.
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