Properties of Cu, Ni, and v doped-LaCrO 3 interconnect materials prepared by pechini, ultrasonic spray pyrolysis and glycine nitrate processes for SOFC

Gil Yong Lee, Rak Hyun Song, Jong Hee Kim, Dong Hyun Peck, Tak Hyoung Lim, Yong Gun Shul, Dong Ryul Shin

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

The ceramic interconnect,La0.8Sr0.05Ca 0.15(Cr1 -x , Bx)O3 (B = Cu, Ni, V, x = 0.02, 0.1, 0.5) (LSCCB) powders were prepared by Pechini method, Ultrasonic Spray Pyrolysis (USP) and Glycine Nitrate Process (GNP). Nano sized powders were synthesized by GNP and their chemical compositions were confirmed by ICP analysis. The electrical conductivities of LSCCCu, LSCCNi, and LSCCV samples were 34 S/cm, 48 S/cm, and 22 S/cm at 800°C in air, respectively. Among the LSCCB powders, the LSCCNi sample shows highest relative density and electrical conductivity. In a low oxygen partial pressure, however, LSCCV sample was more stable. The perovskite phase of the composition LSCCV sample is of large practical interest for interconnects in SOFC because of the stability in low oxygen partial pressure.

Original languageEnglish
Pages (from-to)723-727
Number of pages5
JournalJournal of Electroceramics
Volume17
Issue number2-4
DOIs
Publication statusPublished - 2006 Dec 1

Fingerprint

Spray pyrolysis
glycine
Solid oxide fuel cells (SOFC)
Nitrates
Powders
Glycine
pyrolysis
sprayers
nitrates
Amino acids
ultrasonics
Ultrasonics
Partial pressure
Oxygen
partial pressure
Chemical analysis
Perovskite
electrical resistivity
oxygen
chemical composition

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Mechanics of Materials
  • Electrical and Electronic Engineering
  • Materials Chemistry

Cite this

Lee, Gil Yong ; Song, Rak Hyun ; Kim, Jong Hee ; Peck, Dong Hyun ; Lim, Tak Hyoung ; Shul, Yong Gun ; Shin, Dong Ryul. / Properties of Cu, Ni, and v doped-LaCrO 3 interconnect materials prepared by pechini, ultrasonic spray pyrolysis and glycine nitrate processes for SOFC. In: Journal of Electroceramics. 2006 ; Vol. 17, No. 2-4. pp. 723-727.
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Properties of Cu, Ni, and v doped-LaCrO 3 interconnect materials prepared by pechini, ultrasonic spray pyrolysis and glycine nitrate processes for SOFC. / Lee, Gil Yong; Song, Rak Hyun; Kim, Jong Hee; Peck, Dong Hyun; Lim, Tak Hyoung; Shul, Yong Gun; Shin, Dong Ryul.

In: Journal of Electroceramics, Vol. 17, No. 2-4, 01.12.2006, p. 723-727.

Research output: Contribution to journalArticle

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AU - Lee, Gil Yong

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AU - Lim, Tak Hyoung

AU - Shul, Yong Gun

AU - Shin, Dong Ryul

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