572330

Gadolinium-doped ceria

nanopowder, contains 10 mol % gadolinium as dopant

• Synonim(y): Cerium(IV) oxide-gadolinium doped, Cerium-gadolinium oxide, Gadolinium doped ceria
• Wzór empiryczny (zapis Hilla): CeO₂
• Masa cząsteczkowa: 172.11
• UNSPSC Code: 26111700
• PubChem Substance ID: 24874799
• NACRES: NA.23
• MDL number: MFCD04040745

Właściwości

• Nazwa produktu: Cerium(IV) oxide-gadolinium doped, nanopowder, contains 10 mol % gadolinium as dopant
• SMILES string: [Gd].O=[Ce]=O
• InChI: 1S/Ce.Gd.2O
• InChI key: ZBPTVGKVCOMWPA-UHFFFAOYSA-N
• form: nanopowder
• contains: 10 mol % gadolinium as dopant
• composition: Ce_0.9Gd_0.1O₂
• reaction suitability: reagent type: catalyst; core: cerium
• greener alternative product characteristics: Design for Energy Efficiency; Learn more about the Principles of Green Chemistry.
• sustainability: Greener Alternative Product
• surface area: >100 m²/g
• particle size: 5-10 nm (crystallite size); <500 nm (secondary)
• greener alternative category: , Enabling
• Quality Level: 100

Opis

Application

Gadolinium doped ceria (GDC) may be used as an intermediate temperature electrolyte for solid oxide fuel cells (SOFCs) at elevated temperatures.[1][2]

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.[3][2]

Gadolinium doped ceria may be prepared by cation complexation sol-gel technique. XRD, specific surface area, morphology has been described in a study.[2] Higher oxygen ion conductivity of GDC over zirconia-based materials makes it a preferable choice for some components of SOFCs.[4]

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Informacja o środkach bezpieczeństwa

• Klasa składowania: 11 - Combustible Solids
• wgk: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type N95 (US)