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J. Korean Ceram. Soc. > Volume 45(12); 2008 > Article
Journal of the Korean Ceramic Society 2008;45(12): 807.
doi: https://doi.org/10.4191/kcers.2008.45.1.807
펄스 도금법에 의한 메탄연료 직접 사용을 위한 Cu-Ni-YSZ SOFC 연료극 제조 및 특성평가
박언우, 문환1, 이종진1, 현상훈1
연세대학교 수소 연료전지 특성화 대학원
1연세대학교 신소재공학과
Fabrication and Characterization of Cu-Ni- YSZ SOFC Anodes for Direct Utilization of Methane via Cu pulse plating
Eon-Woo Park, Hwan Moon1, Jong-Jin Lee1, Sang-Hoon Hyun1
The Specialized Advanced Graduate of Hydrogen & Fuel Cell, Yonsei University
1School of Advanced Materials Science and Engineering, Yonsei University
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.
Key words: Solid oxide fuel cells, Methane fuel, Carbon deposition, Direct utilization, Pulse plating
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