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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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sofc阴极材料(la_(0.85)sr_(0.15))_y(mn_(1-z)cr_z)o_3的物理性能和化学稳定性
Keywords: sofc,锰酸镧,化学稳定性,热膨胀,电导率
Abstract:
？采用烧结法制备阴极材料(la0.85sr0.15)y(mn1z-crz)o3(y=0.85;1;z=0.1,0.2).研究了多孔锰酸镧与致密zro2(8mol%y2o3)界面的成分变化和显微形貌(la0.85sr0.15)(mn0.9cr0.1)o3呈现高电子电导率、良好的热膨胀系数匹配和化学稳定性而(la0.85sr0.15)mno3未起到阻止界面退化的作用在1300～1500℃范围内mn、la、zr和sr发生扩散,其中mn的扩散明显
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