Flash Sintering of Anode-Electrolyte Multilayers for SOFC Applications

We show that multilayer green tapes constituted from sandwiched layers of NiO–zirconia anode and cubic zirconia electrolyte can be sintered below 1000°C in a few seconds under the influence of a DC electric field. The sintering yields a dense electrolyte layer with minor closed porosity, and an anod...

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Bibliographic Details
Published inJournal of the American Ceramic Society Vol. 96; no. 5; pp. 1352 - 1354
Main Authors Francis, John S. C., Cologna, Marco, Montinaro, Dario, Raj, Rishi
Format Journal Article
LanguageEnglish
Published Columbus Blackwell Publishing Ltd 01.05.2013
Wiley Subscription Services, Inc
Subjects
Anodes
Ceramics
Delaminating
Direct current
Electric fields
Electrodes
Electrolytes
Multilayers
Porosity
Sintering
Solid oxide fuel cells
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Summary:We show that multilayer green tapes constituted from sandwiched layers of NiO–zirconia anode and cubic zirconia electrolyte can be sintered below 1000°C in a few seconds under the influence of a DC electric field. The sintering yields a dense electrolyte layer with minor closed porosity, and an anode layer with open porosity, and, most importantly, a multilayer that is largely devoid of defects and delamination.
Bibliography:Basic Science Division of the Department of Energy
ArticleID:JACE12330
DE-FG02-07ER46403
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SourceType-Scholarly Journals-1
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content type line 23
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ISSN:0002-7820
1551-2916
DOI:10.1111/jace.12330