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质量水平
方案
99.9% trace metals basis
表单
nanopowder
组成
yttria, 20 mol %
环保替代产品特性
Design for Energy Efficiency
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粒径
<50 nm (TEM)
环保替代产品分类
, Enabling
SMILES字符串
O=[Ce]=O.O=[Y]O[Y]=O
InChI
1S/Ce.5O.2Y
InChI key
XVLUKJGVKWVXMP-UHFFFAOYSA-N
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一般描述
8mol% Yttria doped ceria may be prepared by carbonate coprecipitation technique. Yttria doped ceria exhibits high ionic conductivity, low activation energy and small grain boundary resistance. The effect of microstructure on the electrolytic properties was investigated in detail.
Cerium(IV) oxide-yttria doped (YDC-20) is an electrolytic material that is used as an alternative to zirconia-based electrolytes. Its properties include high ionic conductivity (0.01 S cm−1), electronic conductivity (3 S cm−1), enhanced electrode reactions, and high oxygen surface exchange coefficient.
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应用
They are promising ceramic electrolytes for solid oxide fuel cells operating at low temperatures of 500-700°C (IT-SOFC). Doped ceria interlayers in between bulk yttria-stabilized zirconia electrolyte further enhance the performance of SOFCs.
YDC-20 can be used as an electrolyte in the fabrication of solid oxide fuel cells (SOFCs). A thin film of YDC-20 (~17.5 nm) effectively reduces the cathode/interfacial energy by 0.1 eV and increases the exchange current density by a factor of 4. It can be operated with a temperature range of 300° - 500°C.
储存分类代码
11 - Combustible Solids
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
法规信息
新产品
Abazari; M.; et al.
Journal of the American Ceramic Society. American Ceramic Society, 95, 312-312 (2012)
Sato, K.; et al.
Solid State Ionics, 180, 1220-1220 (2009)
sai; T.; Barnett; S. A.
Solid State Ionics, 98, 191-191 (1997)
A Yitbarek et al.
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Prebiotics and synbiotics are considered to be among the most promising replacements for in-feed antibiotic growth promoters (AGP) in poultry feed. The current study was designed to study the effect of Bacitracin methylene disalicylate (BMD) (Control), yeast-derived carbohydrates (YDC), and
Fabrication and sintering of fine yttria-doped ceria powder
Van HJ, et al.
Journal of the American Ceramic Society. American Ceramic Society, 80(4), 933-940 (1997)
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