Effect of Nonionic, Anionic, and Cationic Surfactants on the Sol Gel Synthesis of IrO-Ce0.8Sm0.2O2-δ Nanocomposite for Solid Oxide Fuel Cell Application

The sol-gel technique is a versatile and relatively simple method, easily adapted to synthesize complex metal oxide formulations. The sol-gel technique takes advantage of the structural directing properties and templating characteristics of nonionic, anionic, and cationic surfactants to produce poro...

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Veröffentlicht in:Journal of electrochemical energy conversion and storage 2014-08, Vol.11 (4)
Hauptverfasser: Chima, Njoku. B, Patrick, Ndungu. G
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description The sol-gel technique is a versatile and relatively simple method, easily adapted to synthesize complex metal oxide formulations. The sol-gel technique takes advantage of the structural directing properties and templating characteristics of nonionic, anionic, and cationic surfactants to produce porous iridium oxide with samarium doped ceria (SDC) nanoparticles. The nanopowders were calcined at a temperature of 950 °C and the crystalline nanostructures and compositions were characterized by high resolution transmission electron microscopy and X-ray diffraction. The textural characteristics and particle morphology were respectively characterized by nitrogen sorption at 77.5 K and scanning electron microscopy. The electrochemical properties were characterized by using Kittec squadro, solid oxide fuel cell testing equipment, with air and hydrogen as the gases used. The nature of the surfactant influenced the particle morphology, pore diameter, pore size, crystallite size, surface area, and electrochemical properties.
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ispartof Journal of electrochemical energy conversion and storage, 2014-08, Vol.11 (4)
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1551-6989
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source Alma/SFX Local Collection; ASME Transactions Journals (Current)
subjects Applied sciences
Direct energy conversion and energy accumulation
Electrical engineering. Electrical power engineering
Electrical power engineering
Electrochemical conversion: primary and secondary batteries, fuel cells
Energy
Energy. Thermal use of fuels
Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc
Exact sciences and technology
Fuel cells
Testing. Reliability. Quality control
title Effect of Nonionic, Anionic, and Cationic Surfactants on the Sol Gel Synthesis of IrO-Ce0.8Sm0.2O2-δ Nanocomposite for Solid Oxide Fuel Cell Application
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