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INFLUENCE OF THE INDEX METALLIC SALTS - COMPLEXING AGENT IN A SOL-GEL PROCESS TO OBTAIN NANOSCALED ZIRCONIUM SUBSTITUTED YTTRIUM (YSZ) TO ELECTROLYTE APPLICATION IN SOLID OXIDE FUEL CELL (SOFC)

Published online by Cambridge University Press:  18 January 2012

Rene Fabian Cienfuegos-Pelaes ,
Alejandro Ehécatl Correa ,
Ramona Alicia Salazar ,
L. Chávez-Guerrero  and
M. Hinojosa
Rene Fabian Cienfuegos-Pelaes
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
Alejandro Ehécatl Correa
Affiliation:
Facultad de Ciencias Químicas (FCQ), Av. Pedro de Alba s/n C.P. 66451, San Nicolás de los Garza, Nuevo León, Nuevo León, 66451, México. Email: [email protected]
Ramona Alicia Salazar
Affiliation:
Facultad de Ciencias Químicas (FCQ), Av. Pedro de Alba s/n C.P. 66451, San Nicolás de los Garza, Nuevo León, Nuevo León, 66451, México. Email: [email protected]
L. 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
M. 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 objective of the present study is to obtain the electrolyte material YSZ at low cost via sol gel, through exploration of the index rate between the complexing agents and the metallic salts (HMTA / metallic salts) from 1 to 5, prepared by a polymeric way in a sol gel process. We show an easy method that could be used in the industrial scale in order to obtain solid electrolyte material for its application in SOFC to operate at temperatures in the range of 700 800°C. This study has as reference the papers from Lenormand and Rieu about their synthesis of zirconium substituted to 8% of yttrium (CYSZ= 0.2 mol*L-1 metallic salts concentration-). The presence of the phase in the materials has been confirmed by X-ray diffraction assisted by thermal analysis tests, for indexes from 2 to 5 at a temperature of 1000°C for 5 hours at a calcination rate (from amorphous dust obtained at 400°C) of 1000°C per hour. The grain size mean for crystalline powder has an average near 50 nm and standard deviation close to 9 nm, it was confirmed by scanning electron microscope (SEM).

Keywords

sol-gelnanostructureceramic
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1386: Symposium D – Sustainable Synthesis of Nanomaterials , 2012 , mrsf11-1386-d06-05
Copyright
Copyright © Materials Research Society 2012

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References

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