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572365

Sigma-Aldrich

Cerium(IV) oxide-samarium doped

nanopowder, contains 15 mol % samarium as dopant

Sinonimo/i:

SDC, Samarium-doped ceria

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About This Item

Formula empirica (notazione di Hill):
CeO2
Peso molecolare:
172.11
Numero MDL:
MFCD04974842
Codice UNSPSC:
26111700
ID PubChem:
24880634

Stato

nanopowder

contiene

15 mol % samarium as dopant

Composizione

Ce0.85Sm0.15O2

Impiego in reazioni chimiche

reagent type: catalyst
core: cerium

Dimensione particelle

<100 nm

applicazioni

battery manufacturing

Stringa SMILE

[Sm].O=[Ce]=O

InChI

1S/Ce.2O.Sm
AQGZISMLQKBRRO-UHFFFAOYSA-N

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Descrizione generale

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.

Applicazioni

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.

Confezionamento

Packaged in glass bottles

Codice della classe di stoccaggio

13 - Non Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, type N95 (US)

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Certificati d'analisi (COA)

Lot/Batch Number
MKBK2954V
MKBH6814V
MKBG6919V
MKBD2040
55596MJ

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Sigma-Aldrich

22390

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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)
Samarium-doped ceria nanowires: novel synthesis and application in low-temperature solid oxide fuel Cells
Ma Y, et al.
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Articoli

Advances in Materials for Solid Oxide Fuel Cells

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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