734675
氧化钐掺杂的氧化铈(IV)
pellets (for sputtering), contains 15 mol % samarium as dopant
别名:
SDC, 钐掺杂的二氧化铈
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关于此项目
经验公式（希尔记法）:
CeO2
分子量:
172.11
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
26111700
MDL number:
InChI key
AQGZISMLQKBRRO-UHFFFAOYSA-N
SMILES string
[Sm].O=[Ce]=O
InChI
1S/Ce.2O.Sm
form
pellets (for sputtering)
contains
15 mol % samarium as dopant
composition
Sm0.15Ce0.85O2
greener alternative product characteristics
Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.
sustainability
Greener Alternative Product
diam. × L
2-3 mm × 3-5 mm
greener alternative category
General description
Cerium(IV) oxide-samarium doped pellets (15% mol samarium doped) (SDC-15) 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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Application
Cerium(IV) oxide-samarium doped can be used in the fabrication of solid oxide fuel cells (SOFCs), which can further be used as sustainable sources of alternative energy.
存储类别
11 - Combustible Solids
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
监管及禁止进口产品
此项目有
Samarium-doped ceria nanowires: novel synthesis and application in low-temperature solid oxide fuel Cells
Ma Y, et al.
Advanced Materials, 22(14), 1640-1644 (2010)
Effect of Gd (Sm) doping on properties of ceria electrolyte for solid oxide fuel cells,
Zha S, et al.
Journal of Power Sources, 115(1), 44-48 (2003)
Hossein Negahban et al.
Clinical rheumatology, 34(1), 35-42 (2014-02-11)
The aims of this study were to cross-culturally translate the original rheumatoid and arthritis outcome score (RAOS) into Persian and evaluate its reliability, validity, and responsiveness in a group of patients with rheumatoid arthritis (RA). The questionnaire was translated through
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
Intermediate-temperature electrochemical performance of a polycrystalline PrBaCo2O5+ δ cathode on samarium-doped ceria electrolyte.
Chen D, et al.
Journal of Power Sources, 188(1), 96-105 (2009)
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