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- W3150352015 startingPage "738" @default.
- W3150352015 abstract "采用固相反应法合成了中温固体氧化物燃料电池阴极材料Pr2-xSrxCoO4＋δ（x=0.8,1.0,1.2）.通过XRD、SEM、热膨胀法、直流四探针法、交流阻抗谱法和循环伏安法对该体系材料的晶体结构、热膨胀系数、电导率和电化学性能进行了研究.结果表明,合成的粉体均形成了单相K2NiF4结构,Pr0.8Sr1.2CoO4＋δ与电解质材料Sm0.2Ce0.8O1.9（SDC）在1100℃空气气氛下混合烧结,未生成杂相.材料的热膨胀系数随着Sr含量的增加而升高.800℃时样品的电导率均大于100S/cm.随着Sr含量的增加,极化电阻减小,Pr0.8Sr1.2CoO4＋δ在空气中的极化电阻最小,700℃为0.29Ω·cm^2。" @default.
- W3150352015 created "2021-04-13" @default.
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- W3150352015 date "2010-01-01" @default.
- W3150352015 modified "2023-09-23" @default.
- W3150352015 title "中温固体氧化物燃料电池阴极材料Pr2-xSrxCoO4＋δ的制备及性能研究" @default.
- W3150352015 hasPublicationYear "2010" @default.
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