NiO-YSZ cermets supported low temperature solid oxide fuel cell

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DOIResolve DOI: http://doi.org/10.1016/j.jpowsour.2006.03.057
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TypeArticle
Journal titleJournal of Power Sources
Volume161
Issue1
Pages301307; # of pages: 7
SubjectSOFC; Low temperature; SDC; YSZ; Bi-layer electrolyte
AbstractSolid oxide fuel cells with thin electrolyte of two types, Sm0.2Ce0.8O1.9 (SDC) (15 μm) single-layer and 8 mol% Yttria stabilized zirconia (YSZ) (5 μm) + SDC (15 μm) bi-layer on NiO–YSZ cermet substrates were fabricated by screen printing and co-firing. A Sm0.5Sr0.5CoO3 cathode was printed, and in situ sintered during a cell performance test. The SDC single-layer electrolyte cell showed high electrochemical performance at low temperature, with a 1180 mW cm−2 peak power density at 650 °C. The YSZ + SDC bi-layer electrolyte cell generated 340 mW cm−2 peak power density at 650 °C, and showed good performance at 700–800 °C, with an open circuit voltage close to theoretical value. Many high Zr-content micro-islands were found on the SDC electrolyte surface prior to the cathode preparation. The influence of co-firing temperature and thin film preparation methods on the Zr-islands’ appearance was investigated.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada; NRC Institute for Fuel Cell Innovation
Peer reviewedNo
NPARC number8901141
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Record identifier5667ebce-ee25-4900-be6e-28200e7d44bd
Record created2009-04-22
Record modified2016-05-09
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