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Merck

572357

Sigma-Aldrich

Cerium(IV) oxide-gadolinium doped

greener alternative

nanopowder, contains 20 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:
UNSPSC Code:
26111700
PubChem Substance ID:
NACRES:
NA.23

form

nanopowder

Quality Level

contains

20 mol % gadolinium as dopant

composition

Ce0.8Gd0.2O2

reaction suitability

reagent type: catalyst
core: cerium

greener alternative product characteristics

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sustainability

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surface area

>100 m2/g

particle size

<100 nm

greener alternative category

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 (20 mol% gadolinium doped) is an electrolytic material with a 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.

Packaging

Packaged in glass bottles

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)


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Los clientes también vieron

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)
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
Thermal expansion of Gd-doped ceria and reduced ceria.
Hayashi H, et al.
Solid State Ionics, 132(3), 227-233 (2000)
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

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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