This study investigates the possibility to produce a dense/porous/dense BaCe0.85Y0.15O3-δ (BCY) sandwich-structure electrolyte by tape casting. For this purpose, each step of the production process (slurry formulation, lamination and thermal treatments) was thoroughly examined. The sandwich structure was formed by in-situ sintering stacked green tapes with or without pore former. The process optimization led to flat, crack-free, 580 μm thick BCY discs (Ø = 30 mm) with a well-controlled microstructure. The obtained samples were carefully characterized either in SOFC and SOEC mode.
Tape cast complex electrolytic membrane for sofc/soec applications
CARPANESE, MARIA PAOLA;BARBUCCI, ANTONIO;M. Viviani
2013-01-01
Abstract
This study investigates the possibility to produce a dense/porous/dense BaCe0.85Y0.15O3-δ (BCY) sandwich-structure electrolyte by tape casting. For this purpose, each step of the production process (slurry formulation, lamination and thermal treatments) was thoroughly examined. The sandwich structure was formed by in-situ sintering stacked green tapes with or without pore former. The process optimization led to flat, crack-free, 580 μm thick BCY discs (Ø = 30 mm) with a well-controlled microstructure. The obtained samples were carefully characterized either in SOFC and SOEC mode.
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