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A Novel Method for Fabrication of Y 2 O 3 ‐Stabilized ZrO 2 Electrolyte Films
Author(s) -
Zhang Yaohui,
Huang Xiqiang,
Lu Zhe,
Liu Zhiguo,
Ge Xiaodong,
Xu Jiahuan,
Xin Xianshuang,
Sha Xueqing,
Su Wenhui
Publication year - 2006
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1551-2916.2006.00980.x
Subject(s) - yttria stabilized zirconia , materials science , electrolyte , non blocking i/o , anode , analytical chemistry (journal) , electrode , cubic zirconia , composite material , chemistry , ceramic , catalysis , biochemistry , chromatography
Gas‐tight Y 2 O 3 ‐stabilized ZrO 2 (YSZ) films were prepared on NiO–YSZ and NiO–SDC (Sm 0.2 Ce 0.8 O 1.9 ) anode substrates by a novel method. A cell, Ni–YSZ/YSZ(10 μm)/LSM–YSZ, was tested with humidified hydrogen as fuel and ambient air as oxidant. The maximum power densities of 1.64, 1.40, 1.06, and 0.60 W/cm 2 were obtained at 850°, 800°, 750°, and 700°C, respectively. With methane as fuel, a cell of Ni–SDC/YSZ (12 μm)/LSM–YSZ exhibited the maximum power densities of 1.14, 0.82, 0.49, and 0.28 W/cm 2 at 850°, 800°, 750°, and 700°C, respectively. The impedance results showed that the performance of the cell was controlled by the electrode polarization rather than the resistance of YSZ electrolyte film.