Low polarization resistance of Ni-Cu-Ce oxide anode synthesized by coprecipitation with tetramethylammonium carbonate for intermediate temperature SOFC

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DOIResolve DOI: http://doi.org/10.1016/j.matlet.2010.01.049
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TypeArticle
Journal titleMaterials Letters
Volume64
Issue7
Pages876878; # of pages: 3
SubjectSolid oxide fuel cell; Anode; Coprecipitation; Tetramethylammonium carbonate; Polarization resistance
AbstractWith little deviation from the metal cation stoichiometry in a starting metal nitrate solution, Ni–Cu–Ce oxide powders for intermediate temperature SOFC anodes were synthesized by coprecipitation using tetramethylammonium carbonate and decomposition of coprecipitated metal carbonates. The synthesized oxide powder was found to have a high surface area. A 30% Ni–30% Cu–40% Ce anode fired at a low temperature of 900 °C on a Ce0.9Gd0.1O1.95 electrolyte provided low electrode polarization with an estimate of less than 0.1 Ω cm2 at temperatures over 600 °C on wet 50% H2 despite the Ni–Cu metallic phase in the anode was only 30% by volume.
Publication date
LanguageEnglish
AffiliationNRC Institute for Chemical Process and Environmental Technology (ICPET- ITPCE); National Research Council Canada
Peer reviewedYes
NRC number51933
NPARC number14814867
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Record identifier6eea2d82-e47d-4954-8810-7b2659925c26
Record created2010-03-30
Record modified2016-05-09
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