Synthesis and characterization of cobaltite nanotubes for solid-oxide fuel cell cathodes

La1-xSrxCo1-yFeyO3-δ oxides are good candidates for solid oxide fuel cell (SOFC) cathodes because these materials present high ionic and electronic conductivity, and compatibility with Cerium Gadolinium Oxide (CGO) electrolytes allowing a lower operation temperature. In this work, we report the synt...

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Published in:Journal of physics. Conference series 2009-05, Vol.167 (1), p.012042
Main Authors: Napolitano, F, Baqué, L, Troiani, H, Granada, M, Serquis, A
Format: Article
Language:English
Subjects:
Cell cathodes
Cerium gadolinium oxides
Electrolytes
Fuel cells
Gadolinium
Gadolinium oxide
Gadolinium oxides
Morphology
Nanotubes
Physics
Scanning microscopy
Sintering (powder metallurgy)
Solid oxide fuel cells
Synthesis
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cited_by cdi_FETCH-LOGICAL-c373t-278f6eae70b7fc0f9879a916d04d861cd39b141ce3395161bb6bbc8a2477d45f3
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container_title Journal of physics. Conference series
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creator Napolitano, F
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Troiani, H
Granada, M
Serquis, A
description La1-xSrxCo1-yFeyO3-δ oxides are good candidates for solid oxide fuel cell (SOFC) cathodes because these materials present high ionic and electronic conductivity, and compatibility with Cerium Gadolinium Oxide (CGO) electrolytes allowing a lower operation temperature. In this work, we report the synthesis of La0.4Sr0.6Co0.8Fe0.2O3-δ (LSCF) nanotubes prepared by a porous polycarbonate membrane approach, obtaining different microstructures depending on sintering conditions. The structure and morphology of the nanotubes and deposited films were characterized by X-ray diffraction, transmission and scanning microscopy. Finally, we obtained nanostructured films of vertically aligned LSCF tubes deposited over the whole surface of CGO pellets with diameter up to 2.5cm in a direct and single step process.
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subjects Cell cathodes
Cerium gadolinium oxides
Electrolytes
Fuel cells
Gadolinium
Gadolinium oxide
Gadolinium oxides
Morphology
Nanotubes
Physics
Scanning microscopy
Sintering (powder metallurgy)
Solid oxide fuel cells
Synthesis
title Synthesis and characterization of cobaltite nanotubes for solid-oxide fuel cell cathodes
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