Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Fabrication and Characterization of Cu-Ni- YSZ SOFC Anodes for Direct Utilization of Methane via Cu pulse plating

펄스 도금법에 의한 메탄연료 직접 사용을 위한 Cu-Ni-YSZ SOFC 연료극 제조 및 특성평가

  • Park, Eon-Woo (The Specialized Advanced Graduate of Hydrogen & Fuel Cell, Yonsei University) ;
  • Moon, Hwan (School of Advanced Materials Science and Engineering, Yonsei University) ;
  • Lee, Jong-Jin (School of Advanced Materials Science and Engineering, Yonsei University) ;
  • Hyun, Sang-Hoon (School of Advanced Materials Science and Engineering, Yonsei University)
  • 박언우 (연세대학교 수소 연료전지 특성화 대학원) ;
  • 문환 (연세대학교 신소재공학과) ;
  • 이종진 (연세대학교 신소재공학과) ;
  • 현상훈 (연세대학교 신소재공학과)
  • Published : 2008.12.31
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Abstract

The Cu-Ni-YSZ cermet anodes for direct use of methane in solid oxide fuel cells have been fabricated by electroplating Cu into the porous Ni-YSZ cermet anode. The uniform distribution of Cu in the Ni-YSZ anode could be obtained via pulse electroplating in the aqueous solution mixture of $CuSO_4{\cdot}5H_{2}O$ and ${H_2}{SO_4}$ for 30 min with 0.05 A of average applied current. The power density ($0.17\;Wcm^{-2}$) of a single cell with a Cu-Ni-YSZ anode was shown to be slightly lower in methane at $700^{\circ}C$, compared with the power density ($0.28\;Wcm^{-2}$) of a single cell with a Ni-YSZ anode. However, the performance of the Ni-YSZ anode-supported single cell was abruptly degraded over 21 h because of carbon deposition, whereas the Cu-Ni-YSZ anode-supported single cell showed the enhanced durability upto 52 h.

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References

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