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Sigma-Aldrich

Cerium(IV) oxide-gadolinium doped

greener alternative

nanopowder, contains 10 mol % gadolinium as dopant

Sinónimos:

Gadolinium doped ceria

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About This Item

Fórmula empírica (notación de Hill):
CeO2
Peso molecular:
172.11
MDL number:
MFCD04040745
UNSPSC Code:
26111700
PubChem Substance ID:
24874799
NACRES:
NA.23

form

nanopowder

contains

10 mol % gadolinium as dopant

composition

Ce0.9Gd0.1O2

reaction suitability

reagent type: catalyst
core: cerium

greener alternative product characteristics

Design for Energy Efficiency
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sustainability

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surface area

>100 m2/g

particle size

5-10 nm (crystallite size)
<500 nm (secondary)

greener alternative category

, Enabling

SMILES string

[Gd].O=[Ce]=O

InChI

1S/Ce.Gd.2O

InChI key

ZBPTVGKVCOMWPA-UHFFFAOYSA-N

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General description

Cerium(IV) oxide-gadolinium doped nanopowder (10 mol% gadolinium doped) is an electrolytic material with high oxygen-ion conductivity, which operates at low temperatures. It can be prepared by a variety of methods such as sol-gel, wet chemical process, co-precipitation, hydrothermal and other combustion routes.
Gadolinium doped ceria may be prepared by cation complexation sol-gel technique. XRD, specific surface area, morphology has been described in a study. Higher oxygen ion conductivity of GDC over zirconia-based materials makes it a preferable choice for some components of SOFCs.
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Application

Gadolinium doped ceria (GDC) may be used as an intermediate temperature electrolyte for solid oxide fuel cells (SOFCs) at elevated temperatures.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Synthesis and properties of Gadolinium-doped ceria solid solutions for IT-SOFC electrolytes
Fuentes RO and Baker RT
International Journal of Hydrogen Energy, 33(13), 3480-3484 (2008)
Thermal expansion of Gd-doped ceria and reduced ceria.
Hayashi H, et al.
Solid State Ionics, 132(3), 227-233 (2000)
Chemically-induced stresses in gadolinium-doped ceria solid oxide fuel cell electrolytes
Atkinson A, et al.
Solid State Ionics, 95(3-4), 249-258 null
Microstructure and Grain-Boundary Effect on Electrical Properties of Gadolinium-Doped Ceria.
Zhou XD, et al.
Journal of the American Ceramic Society. American Ceramic Society, 85(7), 1757-1762 (2002)

Artículos

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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