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763756

Yttrium-doped ceria

Name: Yttrium-doped ceria
Brand: ALDRICH

nanopowder, yttria 20 mol %, <50 nm particle size (TEM), 99.9% trace metals basis

别名:

20YDC, Cerium(IV) oxide-yttria doped, YDC-20, YDC20, Cerium yttrium oxide, YDC, Yttria doped ceria, Yttrium doped ceria

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关于此项目

经验公式（希尔记法）:

CeO₂/Y₂O₃

化学文摘社编号:

170033-03-1

UNSPSC Code:

26111700

PubChem Substance ID:

329767074

NACRES:

NA.23

MDL number:

MFCD04039918

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属性

产品名称

氧化钇掺杂的氧化铈(IV), nanopowder, yttria 20 mol %, <50 nm particle size (TEM), 99.9% trace metals basis

assay

99.9% trace metals basis

form

nanopowder

composition

yttria, 20 mol %

reaction suitability

core: cerium

greener alternative product characteristics

Design for Energy Efficiency
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particle size

<50 nm (TEM)

greener alternative category

, Enabling

SMILES string

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

InChI

1S/Ce.5O.2Y

InChI key

XVLUKJGVKWVXMP-UHFFFAOYSA-N

说明

General description

8mol% Yttria doped ceria may be prepared by carbonate coprecipitation technique. Yttria doped ceria exhibits 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-20) 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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Application

YDC-20 can be used as an electrolyte in the fabrication of solid oxide fuel cells (SOFCs). A thin film of YDC-20 (~17.5 nm) effectively reduces the cathode/interfacial energy by 0.1 eV and increases the exchange current density by a factor of 4. It can be operated with a temperature range of 300° - 500°C.

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.

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存储类别

11 - Combustible Solids

flash_point_f

Not applicable

flash_point_c

Not applicable

法规信息

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历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

MKCW3026

MKBL5894

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Abazari; M.; et al.

Journal of the American Ceramic Society. American Ceramic Society, 95, 312-312 (2012)

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)

Innate immune response of pullets fed diets supplemented with prebiotics and synbiotics.

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

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全球贸易项目编号

货号	GTIN
763756-25G	04061833002933