TY  - JOUR
AU  - Vozdecky, P.
AU  - Roosen, A.
AU  - Ma, Q.L.
AU  - Tietz, F.
TI  - Properties of tape cast Y-substituted strontium titanate for planar anode substrates in SOFC applications
JO  - Journal of materials science
VL  - 46
SN  - 0022-2461
CY  - Dordrecht [u.a.]
PB  - Springer Science + Business Media B.V
M1  - PreJuSER-18146
SP  - 3493 - 3499
PY  - 2011
N1  - Record converted from VDB: 12.11.2012
AB  - This work evaluates the use of fine-grained yttrium-substituted strontium titanate powders for the preparation of planar anode supported solid oxide fuel cells. Starting from a submicron-sized powder of Y-substituted strontium titanate Sr0.895Y0.07TiO3 (SYT), which was synthesised via spray pyrolysis followed by a grinding process, suspensions of high solid concentration were prepared by steric stabilisation. From these suspensions, tape casting slurries of up to 25 vol% were produced and further processed to ceramic green tapes using the doctor blade technique. The rheological behaviour of the slurries was investigated in dependence on the content of solids and organic additives. Furthermore, the binder burnout and sintering behaviour of the green sheets were characterised. After firing, crack-free substrates of high planarity were obtained. The achieved properties of the sintered tapes such as density, porosity, warping, mechanical strength, and electrical conductivity were determined in dependence on sintering temperature.
KW  - J (WoSType)
LB  - PUB:(DE-HGF)16
UR  - <Go to ISI:>//WOS:000287711900030
DO  - DOI:10.1007/s10853-011-5255-8
UR  - https://juser.fz-juelich.de/record/18146
ER  -