期刊
JOURNAL OF ELECTROCERAMICS
卷 17, 期 2-4, 页码 723-727出版社
SPRINGER
DOI: 10.1007/s10832-006-0473-1
关键词
ceramic interconnect; pechini method; ultrasonic spray pyrolysis; glycine nitrate process; solid oxide fuel cell
The ceramic interconnect,La0.8Sr0.05Ca0.15(Cr1 -x , B-x)O-3 (B = Cu, Ni, V, x = 0.02, 0.1, 0.5) (LSCCB) powders were prepared by Pechini method, Ultrasonic Spray Pyrolysis (USP) and Glycine Nitrate Process (GNP). Nano sized powders were synthesized by GNP and their chemical compositions were confirmed by ICP analysis. The electrical conductivities of LSCCCu, LSCCNi, and LSCCV samples were 34 S/cm, 48 S/cm, and 22 S/cm at 800 degrees C in air, respectively. Among the LSCCB powders, the LSCCNi sample shows highest relative density and electrical conductivity. In a low oxygen partial pressure, however, LSCCV sample was more stable. The perovskite phase of the composition LSCCV sample is of large practical interest for interconnects in SOFC because of the stability in low oxygen partial pressure.
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