多孔La0.6Sr0.4Co0.2Fe0.8O3-陶瓷具有一定的强度、良好的透气和电传导性能，可用于中温SOFC阴极支撑体和氧分离膜活性支撑体. 本文用固相反应法制备了多孔La0.6Sr0.4Co0.2Fe0.8O3-陶瓷. 考察了烧结条件、成型压力和有机添加剂量对孔隙率和孔径的影响. 研究发现气体渗透率随孔隙率线性增长，电导率随孔隙率的增大而下降，并满足关系式=0(1-P)3.1.
Mixed ionic electronic conductor La0.6Sr0.4Co0.2Fe0.8O3- in the porous form can be used as cathodes for solid oxide fuel cells and supports for thin oxygen separation membranes. La0.6Sr0.4Co0.2Fe0.8O3- porous ceramics were prepared by solid state reaction. The porosity and pore size were investigated as a function of sintering temperature, molding pressure and amount of organic additive. The experimental results show that with increasing porosity, its nitrogen permeability increases, but its electrical conductivity decreases as described by =0(1-P)3.1.
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