734675
Cerium(IV) oxide-samarium doped
pellets (for sputtering), contains 15 mol % samarium as dopant
Sustainability features
Synonym(s):
SDC-15, SDC, Samarium-doped ceria
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About This Item
Empirical Formula (Hill Notation):
CeO2
Molecular Weight:
172.11
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
26111700
MDL number:
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.
Storage Class
11 - Combustible Solids
WGK
WGK 2
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
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