734519
Gadolinium-doped ceria
<0.5 μm particle size, powder, contains 10 mol % gadolinium as dopant
别名:
Cerium(IV) oxide-gadolinium doped, Cerium-gadolinium oxide, GDC-10, Gadolinium doped ceria
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关于此项目
经验公式（希尔记法）:
CeO2
分子量:
172.11
UNSPSC Code:
26111700
PubChem Substance ID:
NACRES:
NA.23
MDL number:
产品名称
钆掺杂的氧化铈(IV), <0.5 μm particle size, powder, contains 10 mol % gadolinium as dopant
form
powder
SMILES string
[Gd].O=[Ce]=O
InChI key
ZBPTVGKVCOMWPA-UHFFFAOYSA-N
InChI
1S/Ce.Gd.2O
contains
10 mol % gadolinium as dopant
composition
Gd0.1Ce0.9O1.95
greener alternative product characteristics
Design for Energy Efficiency
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surface area
10.0-14.0 m2/g
particle size
0.10-0.50 μm (d50)
<0.5 μm
bulk density
1.739 g/mL
greener alternative category
Quality Level
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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.
General description
Cerium(IV) oxide-gadolinium doped powder (10 mol% gadolinium doped) (GDC-10) 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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存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Chemically-induced stresses in gadolinium-doped ceria solid oxide fuel cell electrolytes
Atkinson A
Solid State Ionics, 95(3-4), 249-258 (1997)
Thermal expansion of Gd-doped ceria and reduced ceria.
Hayashi H, et al.
Solid State Ionics, 132(3), 227-233 (2000)
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)
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