572357
Cerium(IV) oxide-gadolinium doped
nanopowder, contains 20 mol % gadolinium as dopant
Synonym(s):
Gadolinium doped ceria
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About This Item
Empirical Formula (Hill Notation):
CeO2
Molecular Weight:
172.11
MDL number:
UNSPSC Code:
26111700
PubChem Substance ID:
NACRES:
NA.23
Recommended Products
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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surface area
>100 m2/g
particle size
<100 nm
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 (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 Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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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)
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)
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)
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