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表单
powder
质量水平
包含
20 mol % samarium as dopant
组成
Sm0.2Ce0.8O1.9
环保替代产品特性
Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.
sustainability
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表面积
10-14 m2/g
粒径
0.1-0.5 μm (d50)
<0.5 μm
堆积密度
1.787 g/mL
环保替代产品分类
, Enabling
SMILES字符串
[Sm].O=[Ce]=O
InChI
1S/Ce.2O.Sm
InChI key
AQGZISMLQKBRRO-UHFFFAOYSA-N
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一般描述
Cerium(IV) oxide-samarium doped powder (20% mol samarium doped) (SDC-20) is an electrolytic material with a high oxygen ion conductivity. Samarium ion acts as an aliovalent cation that can be incorporated into the host lattice to increase the oxygen vacancy concentration and improve the oxide ion conduction in cerium oxide. It can be synthesized by reverse strike co-precipitation technique.
Samarium doped ceria may be used as an electrolyte in solid oxide fuel cells (SOFCs). Electrical conductivity as a function of temperature of doped ceria was investigated in a study. Relation of dopant type, oxygen vacancy ordering and ionic conductivity was investigated by transmission electron microscopy and electron energy loss spectroscopy.
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应用
Cerium(IV) oxide-samarium doped can be used in the fabrication of solid oxide fuel cells (SOFCs), which can further be used as environmentally-friendly sources of alternative energy.
储存分类代码
11 - Combustible Solids
WGK
WGK 2
闪点(°F)
Not applicable
闪点(°C)
Not applicable
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Hugo J Avila-Paredes et al.
Physical chemistry chemical physics : PCCP, 11(38), 8580-8585 (2009-09-24)
We report a correlation between oxygen ionic conductivity and the enthalpy of formation of trivalent-doped ceria from the component binary oxides observed at relatively low temperatures (150-275 degrees C). The bulk conductivities of La-doped ceria samples identical to those previously
Jun Zhang et al.
Scientific reports, 4, 7082-7082 (2014-11-19)
In this work, redox-active Mn or Cr is introduced to the B site of redox stable perovskite Sr(0.95)Ti(0.9)Nb(0.1)O3.00 to create oxygen vacancies in situ after reduction for high-temperature CO2 electrolysis. Combined analysis using X-ray diffraction, X-ray photoelectron spectroscopy, transmission electron
Diego H Sanchez et al.
PLoS genetics, 10(11), e1004806-e1004806 (2014-11-21)
Epigenetic mechanisms suppress the transcription of transposons and DNA repeats; however, this suppression can be transiently released under prolonged heat stress. Here we show that the Arabidopsis thaliana imprinted gene SDC, which is silent during vegetative growth due to DNA
Fabrication and electrochemical properties of epitaxial samarium-doped ceria films on SrTiO3-buffered MgO substrates
Sanna S, et al.
Advances in Functional Materials, 19(11), 1713-1719 (2009)
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