Synthesis of Laxsr1-xtio3 Anode Materials by Sol-gel Auto-combustion Method
نویسنده
چکیده
A novel anode material for intermediate temperature solid oxide fuel cells with a composite of LaxSr1-xTiO3 has been synthesized by a sol-gel auto-combustion method. X-ray diffraction (XRD) shows that LaxSr1-xTiO3 has good chemical compatibility with Gd0.2Ce0.8O1.9 electrolyte. The thermal expansion coefficient (TEC) of the as-prepared anode material is similar to that of Gd0.2Ce0.8O1.9. The electric conductivity measurements show that the conductivity of LaxSr1-xTiO3 increases with the increasing of lanthanum contents and reached a maximal value at x=0.3. At 800oC, the electrical conductivity of La0.3Sr0.7TiO3 is 184S·cm -1.
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