572365
Cerium(IV) oxide-samarium doped
nanopowder, contains 15 mol % samarium as dopant
Synonym(s):
SDC, Samarium-doped ceria
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About This Item
Empirical Formula (Hill Notation):
CeO2
Molecular Weight:
172.11
UNSPSC Code:
26111700
PubChem Substance ID:
MDL number:
InChI
1S/Ce.2O.Sm
SMILES string
[Sm].O=[Ce]=O
InChI key
AQGZISMLQKBRRO-UHFFFAOYSA-N
form
nanopowder
contains
15 mol % samarium as dopant
composition
Ce0.85Sm0.15O2
reaction suitability
reagent type: catalyst
core: cerium
particle size
<100 nm
application(s)
battery manufacturing
General description
Cerium(IV) oxide-samarium doped nanopowder (15% mol samarium doped) (SDC) 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.
Application
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.
Packaging
Packaged in glass bottles
Storage Class
13 - Non Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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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
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)
Yoshitsugu Mitani et al.
Clinical cancer research : an official journal of the American Association for Cancer Research, 20(24), 6570-6581 (2014-10-16)
To investigate the molecular events associated with the activation of androgen receptor (AR) as a potential therapeutic target in patients with salivary duct carcinoma (SDC). Comprehensive molecular and expression analysis of the AR gene in 35 tumor specimens (20 males
AC impedance investigation of samarium-doped ceria."
Zhan Z, et al.
Journal of the Electrochemical Society, 148(5), A427-A432 (2001)
Articles
As with all types of fuel cells, a Solid Oxide Fuel Cell (SOFC) is capable of efficiently transforming chemical energy into electrical energy.
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