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Preparation and SEM of Ni/Ce-YSZ Anode Materials

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Abstract:

Gelcasting and dry pressing are used to produce anode composites for SOFC. In this paper a composite material Ni/Ce-YSZ containing Ni and Ce-doped Y2O3-stabilized ZrO2 (Ce-YSZ) based on Ce-YSZ electrolyte was fabricated via sintering infiltration of NiO at the temperature of 1400°C, followed Ni/Ce-YSZ materials are successfully produced by reduction- sintering process. Hydrogen reduction of NiO in the NiO/Ce-YSZ anode material was accomplished successfully through pore channels of debinded carbon volume. XRD results suggest that a solid solution of Ce-YSZ was produced. The microstructure of NiO/Ce-YSZ, and Ni/Ce-YSZ material was observed by SEM. This study confirms that sintering infiltration of NiO is a viable process for fabricating anode materials based on zirconia electrolyte and there are a good interface between electrolyte and anode.

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Periodical:

Key Engineering Materials (Volumes 336-338)

Pages:

387-390

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.336-338.387

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Online since:

April 2007

Authors:

Jing Tao Ma, Xu Ping Lin, Bao Qing Zhang

Keywords:

Ce-YSZ Electrolyte, Ni/Ce-YSZ Composite, Sintering Infiltration, Solid Oxide Fuel Cell (SOFC)

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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