한국분말재료학회지 (Journal of Powder Materials)

  • 제15권5호
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  • Pages.405-410
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  • 2008
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  • 2799-8525(pISSN)
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  • 2799-8681(eISSN)
한국분말재료학회 (*구 분말야금학회) (The Korean Powder Metallurgy & Materials Institute)
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방전플라즈마 소결공법에 의해 제작된 SOFC용 Ni-YSZ Anode의 특성평가

Evaluation of Ni-YSZ Anode fabricated by Spark Plasma Sintering for SOFC Application

  • Chang, Se-Hun (Korea Institute of Industrial Technology (KITECH)) ;
  • Choi, Jung-Chul (Korea Institute of Industrial Technology (KITECH)) ;
  • Choi, Se-Weon (Korea Institute of Industrial Technology (KITECH)) ;
  • Kim, Ho-Sung (Korea Institute of Industrial Technology (KITECH)) ;
  • Oh, Ik-Hyun (Korea Institute of Industrial Technology (KITECH))
  • 발행 : 2008.10.28
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초록

SOFC (Solid Oxide Fuel Cell) Ni-YSZ anode was fabricated by the spark plasma sintering (SPS) process and its microstructure and electrical properties were investigated in this study. The spark plasma sintering process was carried out at $800{\sim}1000^{\circ}C$ for holding time of 5 min under 40 MPa. To fabricate Ni-YSZ anode, the SPS processed specimens were reduced at $800^{\circ}C$ under $H_2$ atmosphere. The reduced specimens showed relative density of $48.4{\sim}64.8%$ according to sintering temperature. And also, the electrical conductivity of reduced specimens after sintering at 900 and $1000^{\circ}C$ showed $480{\sim}600$ (S/cm) values at the measuring range of $600{\sim}900^{\circ}C$.

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