In the present work anode supported half-cells with yttria (8 mol%) stabilised zirconia (YSZ) electrolyte and YSZ/NiO anode were fabricated by tape casting and co-sintering. In situ high temperature observations were carried out by a specifically designed microscope system in order to determine the curvature evolution of the cells upon firing. Such analytical observations together with careful tailoring of the starting powder allowed to drastically diminish the overall sintering stresses mismatch and related deficiencies. The developed microstructures observed by scanning electron microscopy confirmed the good quality of the obtained cell and in particular of the thin electrolyte layer.
Curvature Evolution And Control In Anode Supported Solid Oxide Fuel Cells
Cologna, Marco;Contino, Anna Rita;Sglavo, Vincenzo Maria;Modena, Stefano;Ceschini, Sergio;
2010-01-01
Abstract
In the present work anode supported half-cells with yttria (8 mol%) stabilised zirconia (YSZ) electrolyte and YSZ/NiO anode were fabricated by tape casting and co-sintering. In situ high temperature observations were carried out by a specifically designed microscope system in order to determine the curvature evolution of the cells upon firing. Such analytical observations together with careful tailoring of the starting powder allowed to drastically diminish the overall sintering stresses mismatch and related deficiencies. The developed microstructures observed by scanning electron microscopy confirmed the good quality of the obtained cell and in particular of the thin electrolyte layer.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione
