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ELABORATION AND CHARACTERIZATION OF La4Ni3O10 CATHODE MATERIAL (SOFC) BY SOL-GEL PROCESS

Published online by Cambridge University Press:  13 September 2011

Rene Fabian Cienfuegos ,
Leonardo Chávez Guerrero ,
Sugeheidy Carranza ,
Laurie Jouanin ,
Guillaume Marie  and
Moisés Hinojosa
Rene Fabian Cienfuegos
Affiliation:
Facultad de Ingeniería Mecánica y Eléctrica, San Nicolás de los Garza, Nuevo León, 66451, México Centro de Innovación, Investigación y Desarrollo en Ingeniería y Tecnología (CIIDIT), Apodaca, Nuevo León, 66600, México
Leonardo Chávez Guerrero
Affiliation:
Facultad de Ingeniería Mecánica y Eléctrica, San Nicolás de los Garza, Nuevo León, 66451, México Centro de Innovación, Investigación y Desarrollo en Ingeniería y Tecnología (CIIDIT), Apodaca, Nuevo León, 66600, México
Sugeheidy Carranza
Affiliation:
Facultad de Ingeniería Mecánica y Eléctrica, San Nicolás de los Garza, Nuevo León, 66451, México
Laurie Jouanin
Affiliation:
Université Paris-Sud 11, Orsay, 91405, France.
Guillaume Marie
Affiliation:
IUT A de Lille, Boul. Paul LANGEVIN, BP 179, Villeneuve d’Ascq Cedex, 59653, France
Moisés Hinojosa
Affiliation:
Facultad de Ingeniería Mecánica y Eléctrica, San Nicolás de los Garza, Nuevo León, 66451, México Centro de Innovación, Investigación y Desarrollo en Ingeniería y Tecnología (CIIDIT), Apodaca, Nuevo León, 66600, México
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Abstract

The goal in this study was to synthesize a lanthanum - nickel phase (Ruddlesden-Popper phases) La4Ni3O10. This material was prepared using a polymeric route. An easy synthesis method is presented in order to obtain an economical cathode material, which can be used in Solid Oxide Fuel Cells (SOFC). The polymeric precursors were prepared following the Castillo method. The originality of this work was to optimize the ratio HMTA/ metallic salts from 1 to 6. The obtained powders were characterized by thermal analysis; Differential Scanning Calorimetry (DSC Q10 Instrument TA), Thermogravimetric Analysis (TGA - Q50 Instrument TA-) and X-ray diffractometer (Bruker, D8 Advance diffractometer), in order to determine the crystallized phase. Experiments 5 and 6 did not present coagulation but after few days, solution 5 was transformed into a gel. Gels 2 to 5 were heated in order to obtain a solid material. These powders are characterized by thermogravimetric and thermo-differential methods. The powders obtained at 800, 900 and 1000°C were analyzed by X-ray diffraction and it was found that the temperature to get to the La4Ni3O10 phase was 1000ºC.

Keywords

sol-geloxideceramic
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1326: Symposium F – Renewable Fuels and Nanotechnology , 2011 , mrss11-1326-f09-07
Copyright
Copyright © Materials Research Society 2011

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References

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