Artículo

Mazan, M.O.; Marrero-Jerez, J.; Soldati, A.; Núñez, P.; Larrondo, S.A. "Fe-doped ceria nanopowders synthesized by freeze-drying precursor method for electrocatalytic applications" (2015) International Journal of Hydrogen Energy. 40(10):3981-3989
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Abstract:

In this work iron doped ceria nanoceramics were successfully synthesized through the freeze-drying method. All the solids were nanocrystalline. The incorporation of iron reduced the crystallite size with the corresponding increment of specific surface area, favoured the sintering of the solids that could be achieved at lower temperatures, increased the reduction percentage achieved in hydrogen flow and increased the amount and strength of basic sites. The lattice parameter showed a continuous decrease with the increment in iron content indicating that iron was incorporated into fluorite ceria structure at concentrations above the solubility limit. Finally, the incorporation of iron improved the conductivity and reduced the activation energy of the process. The higher reducibility, the presence of basic sites and the higher conductivity position iron doped ceria materials as promising anodes for intermediate temperature SOFCs, operated with hydrocarbons. Copyright © 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.

Registro:

Documento: Artículo
Título:Fe-doped ceria nanopowders synthesized by freeze-drying precursor method for electrocatalytic applications
Autor:Mazan, M.O.; Marrero-Jerez, J.; Soldati, A.; Núñez, P.; Larrondo, S.A.
Filiación:Departamento de Ingeniería Química, Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires, 1428, Argentina
Departamento de Química Inorgánica, Universidad de La Laguna, La Laguna, Tenerife E-38200, Spain
Instituto Universitario de Materiales y Nanotecnología, Universidad de La Laguna, La Laguna, Tenerife E-38200, Spain
CONICET, Centro Atómico Bariloche, Instituto Balseiro, Av. Bustillo 9500, San Carlos de Bariloche, Rio Negro, 8400, Argentina
Centro de Investigaciones en Sólidos CINSO-CITEDEF-UNIDEF-CONICET, J.B. de La Salle 4397Pcia. Buenos Aires 1603, Argentina
Instituto de Investigación e Ingeniería Ambiental, Universidad Nacional de San Martín, UNSAM, Campus Miguelete, 25 de Mayo y Francia, San Martín, Provincia de Buenos Aires 1650, Argentina
Palabras clave:CeO2-Fe2O3 solid solution; CO2-TPD; Enhanced reducibility; Freeze-drying; Nanoceramics; Total conductivity; Activation energy; Carbon dioxide; Crystallite size; Drying; Low temperature drying; Nanocrystals; Sintering; Solid oxide fuel cells (SOFC); Electrocatalytic; Enhanced reducibility; Freeze drying; Freeze drying method; Intermediate temperatures; Lower temperatures; Nano ceramics; Solubility limits; Iron
Año:2015
Volumen:40
Número:10
Página de inicio:3981
Página de fin:3989
DOI: http://dx.doi.org/10.1016/j.ijhydene.2015.01.006
Título revista:International Journal of Hydrogen Energy
Título revista abreviado:Int J Hydrogen Energy
ISSN:03603199
CODEN:IJHED
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03603199_v40_n10_p3981_Mazan

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Citas:

---------- APA ----------
Mazan, M.O., Marrero-Jerez, J., Soldati, A., Núñez, P. & Larrondo, S.A. (2015) . Fe-doped ceria nanopowders synthesized by freeze-drying precursor method for electrocatalytic applications. International Journal of Hydrogen Energy, 40(10), 3981-3989.
http://dx.doi.org/10.1016/j.ijhydene.2015.01.006
---------- CHICAGO ----------
Mazan, M.O., Marrero-Jerez, J., Soldati, A., Núñez, P., Larrondo, S.A. "Fe-doped ceria nanopowders synthesized by freeze-drying precursor method for electrocatalytic applications" . International Journal of Hydrogen Energy 40, no. 10 (2015) : 3981-3989.
http://dx.doi.org/10.1016/j.ijhydene.2015.01.006
---------- MLA ----------
Mazan, M.O., Marrero-Jerez, J., Soldati, A., Núñez, P., Larrondo, S.A. "Fe-doped ceria nanopowders synthesized by freeze-drying precursor method for electrocatalytic applications" . International Journal of Hydrogen Energy, vol. 40, no. 10, 2015, pp. 3981-3989.
http://dx.doi.org/10.1016/j.ijhydene.2015.01.006
---------- VANCOUVER ----------
Mazan, M.O., Marrero-Jerez, J., Soldati, A., Núñez, P., Larrondo, S.A. Fe-doped ceria nanopowders synthesized by freeze-drying precursor method for electrocatalytic applications. Int J Hydrogen Energy. 2015;40(10):3981-3989.
http://dx.doi.org/10.1016/j.ijhydene.2015.01.006