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764531

Sigma-Aldrich

Cerium(IV) oxide-yttria doped

greener alternative

nanopowder, contains 10 mol % yttria, <50 nm particle size, 99.9% trace metals basis

Sinonimo/i:

10YDC, YDC-10, YDC10, Cerium yttrium oxide, YDC, Yttria doped ceria, Yttrium doped ceria

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About This Item

Formula empirica (notazione di Hill):
CeO2/Y2O3
Numero CAS:
170033-03-1
Numero MDL:
MFCD04039918
Codice UNSPSC:
26111700
ID PubChem:
329767128

Saggio

99.9% trace metals basis

Forma fisica

nanopowder

contiene

10 mol % yttria

Caratteristiche più verdi

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

Dimensione particelle

<50 nm

Punto di fusione

>400 °C

Categoria alternativa più verde

, Enabling

Stringa SMILE

O=[Ce]=O.O=[Y]O[Y]=O

InChI

1S/Ce.5O.2Y
XVLUKJGVKWVXMP-UHFFFAOYSA-N

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Descrizione generale

8mol% Yttria doped ceria may be prepared by carbonate coprecipitation technique. Yttria doped ceria exihibits high ionic conductivity, low activation energy and small grain boundary resistance. The effect of microstructure on the electrolytic properties was investigated in detail.
Cerium(IV) oxide-yttria doped (YDC-10) is an electrolytic material that is used as an alternative to zirconia-based electrolytes. Its properties include high ionic conductivity (0.01 S cm−1), electronic conductivity (3 S cm−1), enhanced electrode reactions, and high oxygen surface exchange coefficient.
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Applicazioni

They are promising ceramic electrolytes for solid oxide fuel cells operating at low temperatures of 500-700°C (IT-SOFC). Doped ceria interlayers in between bulk yttria-stabilized zirconia electrolyte further enhance the performance of SOFCs.
YDC-10 can be used as an electrolyte in the fabrication of solid oxide fuel cells (SOFCs). A thin film of YDC-10 (~17.5 nm) effectively reduces the cathode/interfacial energy by 0.1 eV and increases the exchange current density by a factor of 4. YDC-10 can be operated with a temperature range of 300° - 500°C.

Pittogrammi

Exclamation mark
GHS07

Avvertenze

Warning

Indicazioni di pericolo

H302

Classi di pericolo

Acute Tox. 4 Oral

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Certificati d'analisi (COA)

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Cales, B.; et al.
Journal of Physics and Chemistry of Solids, 45, 929-929 (1984)
Wang, Y; et al.
Solid State Ionics, 177, 1681-1681 (2006)
Influence of nano-structural feature on electrolytic properties in Y2O3 doped CeO2 system.
Mori T, et al.
Science and Technology of Advanced Materials, 4(3), 213-220 (2003)
A Yitbarek et al.
Poultry science, 94(8), 1802-1811 (2015-06-08)
Prebiotics and synbiotics are considered to be among the most promising replacements for in-feed antibiotic growth promoters (AGP) in poultry feed. The current study was designed to study the effect of Bacitracin methylene disalicylate (BMD) (Control), yeast-derived carbohydrates (YDC), and
Fabrication and sintering of fine yttria-doped ceria powder
Van HJ, et al.
Journal of the American Ceramic Society. American Ceramic Society, 80(4), 933-940 (1997)
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