Fabrication and characterization of thin and dense electrolyte-coated anode tube using thermoplastic coextrusion

Jong Jae Sun, Young-Hag Koh, Won Young Choi, Hyoun Ee Kim

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

Anode tubes coated with thin and dense electrolyte layers were fabricated by thermoplastic coextrusion, using a nickel oxide (NiO)-yttria-stabilized zirconia (YSZ) composite and YSZ as the anode and electrolyte materials, respectively. The initial feedrod with a diameter of 22 mm, comprised of three thermo-plastic compounds (carbon black (core), NiO-YSZ (intermediate), and YSZ (shell)), was coextruded through various orifices having diameters of 0.5, 1, and 2 mm at 120°C, producing continuous filaments with remarkable size reductions, while preserving the cross section of the initial feedrod. After removing the binder and carbon black used as the core material, the samples were cofired at 1350°C for 3 h in air, producing ceramic tubes with small diameters, ranging from 0.4 to 1.8 mm, where the surfaces of porous NiO-YSZ layers were coated with thin and dense YSZ layers, ranging from 22 to 98 μm.

Original languageEnglish
Pages (from-to)1713-1716
Number of pages4
JournalJournal of the American Ceramic Society
Volume89
Issue number5
DOIs
Publication statusPublished - 2006 May 1
Externally publishedYes

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Coextrusion
Electron tubes
Yttria stabilized zirconia
electrolyte
Thermoplastics
Electrolytes
Anodes
Fabrication
Nickel oxide
Soot
nickel
oxide
black carbon
Carbon black
Orifices
ceramics
Binders
cross section
plastic
shell

ASJC Scopus subject areas

  • Ceramics and Composites

Cite this

Fabrication and characterization of thin and dense electrolyte-coated anode tube using thermoplastic coextrusion. / Sun, Jong Jae; Koh, Young-Hag; Choi, Won Young; Kim, Hyoun Ee.

In: Journal of the American Ceramic Society, Vol. 89, No. 5, 01.05.2006, p. 1713-1716.

Research output: Contribution to journalArticle

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