Extremely Thin Bilayer Electrolyte for Solid Oxide Fuel Cells (SOFCs) Fabricated by Chemical Solution Deposition (CSD)

An extremely thin bilayer electrolyte consisting of yttria‐stabilized zirconia (YSZ) and gadolinia‐doped ceria (GDC) is successfully fabricated on a sintered NiO‐YSZ substrate (see figure). Major processing flaws are effectively eliminated by applying local constraints to YSZ nanoparticles, and exce...

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Veröffentlicht in:	Advanced materials (Weinheim) 2012-07, Vol.24 (25), p.3373-3377
Hauptverfasser:	Oh, Eun-Ok, Whang, Chin-Myung, Lee, Yu-Ri, Park, Sun-Young, Prasad, Dasari Hari, Yoon, Kyung Joong, Son, Ji-Won, Lee, Jong-Ho, Lee, Hae-Weon
Format:	Artikel
Sprache:	eng
Schlagworte:	chemical solution deposition (CSD) Electric Power Supplies Electrodes electrolytes Electrolytes - chemistry fuel cells Metal Nanoparticles - chemistry Oxides - chemistry solid oxide fuel cells (SOFCs) Solutions - chemistry Temperature thin films Yttrium - chemistry Zirconium - chemistry
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Beschreibung
Zusammenfassung:	An extremely thin bilayer electrolyte consisting of yttria‐stabilized zirconia (YSZ) and gadolinia‐doped ceria (GDC) is successfully fabricated on a sintered NiO‐YSZ substrate (see figure). Major processing flaws are effectively eliminated by applying local constraints to YSZ nanoparticles, and excellent open circuit voltage and cell performance are demonstrated in a solid oxide fuel cell (SOFC) at intermediate operating temperatures.
ISSN:	0935-9648 1521-4095
DOI:	10.1002/adma.201200505