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- W639568369 abstract "采用固相反应法合成了（Pr1-xNdx）0.6Sr0.4Co0.8Fe0.2O3-δ（x=0.2、0.4、0.6、0.8）钙钛矿氧化物系样品,采用XRD分析物相结构,采用XPS分析化学状态,用电导弛豫法研究了（Pr1-xNdx）0.6Sr0.4Co0.8Fe0.2O3-δ系样品的氧化学扩散性能。实验结果表明,（Pr1-xNdx）0.6Sr0.4Co0.8Fe0.2O3-δ体系样品的氧化学扩散系数Dchem随温度的升高、Nd含量的增加而上升,电导率随氧分压的增大而增大;样品（Pr0.2Nd0.8）0.6Sr0.4Co0.8Fe0.2O3-δ氧扩散系数最大,在800℃时达到6.75×10-5cm2/s;样品（Pr0.2Nd0.8）0.6Sr0.4Co0.8Fe0.2O3-δ在600℃下氧分压为1.0×105Pa时电导率达到最大值为1318.138S/cm,是比较理想的固体氧化物燃料电池的阴极材料。" @default.
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- W639568369 date "2011-01-01" @default.
- W639568369 modified "2023-09-23" @default.
- W639568369 title "（Pr_（1-x）Nd_x）_（0.6）Sr_（0.4）Co_（0.8）Fe_（0.2）O_（3-δ）体系双稀土阴极材料的氧化学扩散系数及电学性能的研究" @default.
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