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572330

Gadolinium-doped ceria

Name: Gadolinium-doped ceria
Brand: ALDRICH

nanopowder, contains 10 mol % gadolinium as dopant

Synonym(s):

Cerium(IV) oxide-gadolinium doped, Cerium-gadolinium oxide, Gadolinium doped ceria

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About This Item

Empirical Formula (Hill Notation):

CeO₂

Molecular Weight:

172.11

UNSPSC Code:

26111700

PubChem Substance ID:

24874799

NACRES:

NA.23

MDL number:

MFCD04040745

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Properties

Product Name

Cerium(IV) oxide-gadolinium doped, nanopowder, contains 10 mol % gadolinium as dopant

form

nanopowder

Quality Level

100

contains

10 mol % gadolinium as dopant

composition

Ce_0.9Gd_0.1O₂

reaction suitability

reagent type: catalyst
core: cerium

greener alternative product characteristics

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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

Description

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.

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Storage Class

11 - Combustible Solids

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Articles

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.

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)

Thermal expansion of Gd-doped ceria and reduced ceria.

Hayashi H, et al.

Solid State Ionics, 132(3), 227-233 (2000)

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Global Trade Item Number

SKU	GTIN
572330-25G	04061833002469