734624
Cerium(IV) oxide-samarium doped
<0.5 μm particle size, powder, contains 20 mol % samarium as dopant
Sinonimo/i:
SDC-20, SDC, Samarium-doped ceria
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10 G
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10 G
56,50 €
About This Item
Formula empirica (notazione di Hill):
CeO2
Peso molecolare:
172.11
Numero MDL:
Codice UNSPSC:
26111700
ID PubChem:
NACRES:
NA.23
Prodotti consigliati
Stato
powder
contiene
20 mol % samarium as dopant
Composizione
Sm0.2Ce0.8O1.9
Caratteristiche più verdi
Design for Energy Efficiency
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sustainability
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Area superficiale
10-14 m2/g
Dimensione particelle
0.1-0.5 μm (d50)
<0.5 μm
Densità bulk
1.787 g/mL
Categoria alternativa più verde
, Enabling
Stringa SMILE
[Sm].O=[Ce]=O
InChI
1S/Ce.2O.Sm
AQGZISMLQKBRRO-UHFFFAOYSA-N
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Categorie correlate
Descrizione generale
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.[1][2]
Samarium doped ceria may be used as an electrolyte in solid oxide fuel cells (SOFCs).[1][3] Electrical conductivity as a function of temperature of doped ceria was investigated in a study.[2] Relation of dopant type, oxygen vacancy ordering and ionic conductivity was investigated by transmission electron microscopy and electron energy loss spectroscopy.[4]
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Codice della classe di stoccaggio
11 - Combustible Solids
Classe di pericolosità dell'acqua (WGK)
WGK 2
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
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