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Merck
CN

734667

Gadolinium-doped ceria

greener alternative

pellets (for sputtering), contains 20 mol % gadolinium as dopant

Synonym(s):

Cerium(IV) oxide-gadolinium doped, Cerium-gadolinium oxide, GDC-20, 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:
329764916
NACRES:
NA.23
MDL number:
MFCD04040745

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Product Name

Cerium(IV) oxide-gadolinium doped, pellets (for sputtering), contains 20 mol % gadolinium as dopant

SMILES string

[Gd].O=[Ce]=O

InChI key

ZBPTVGKVCOMWPA-UHFFFAOYSA-N

InChI

1S/Ce.Gd.2O

form

pellets (for sputtering)

contains

20 mol % gadolinium as dopant

composition

Gd0.2Ce0.8O1.9

greener alternative product characteristics

Design for Energy Efficiency
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sustainability

Greener Alternative Product

diam. × L

2-3 mm × 3-5 mm

greener alternative category

, Enabling

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General description

Cerium(IV) oxide-gadolinium doped pellets (20 mol% gadolinium doped) (GDC-20) 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 sputtering, aerosol deposition, sol-gel, wet chemical process, co-precipitation, hydrothermal and other combustion routes.
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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.

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H319

Hazard Classifications

Eye Irrit. 2

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
MKBG4561

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Electrical conductivity of RF-sputtered Gd-doped ceria film measured in across-plane mode
Kim SW and Choi GM
Solid State Ionics, 309(7), 58-62 (2017)
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)
Hugo J Avila-Paredes et al.
Physical chemistry chemical physics : PCCP, 11(38), 8580-8585 (2009-09-24)
We report a correlation between oxygen ionic conductivity and the enthalpy of formation of trivalent-doped ceria from the component binary oxides observed at relatively low temperatures (150-275 degrees C). The bulk conductivities of La-doped ceria samples identical to those previously
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
Kowalski, K.
Diffusion and Defect Data, Solid State Data, Part A, 769-769 (2009)
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