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박언우,문환,이종진,현상훈 한국세라믹학회 2008 한국세라믹학회지 Vol.45 No.12
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 CuSO4 ·5H2O and H2SO4 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 o C, compared with the power density (0.28Wcm−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. 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 CuSO4 ·5H2O and H2SO4 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 o C, compared with the power density (0.28Wcm−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.