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采用一步溶胶凝胶法制备摩尔比分别为9∶1、7∶3、5∶5和3∶7的复合电解质Ce0.8Sm0.2O1.9(SDC)-BaCe0.8Sm0.2O2.9(BCS)粉末,研究复合电解质SDC-BCS的相成分对电导率及其电化学性能的影响.结果表明:随着SDC含量的增加,复合电解质SDC-BCS的晶粒尺寸增大、电导率提高;复合电解质的晶界电导率均高于单相SDC的晶界电导率.不同成分的复合电解质制备的NiO-SDC-BCS|SDC-BCS|LSCF-SDC-BCS单电池的功率密度随着SDC含量的增加而提高.当SDC∶BCS的摩尔比为9∶1时,其单电池700 ℃的最大功率密度为550 mW/cm2,是单电池NiO-SDC|SDC|LSCF-SDC最大功率密度的3倍.
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人工晶体学报
ISSN: 1000-985X
CN: 11-2637/O7
Year: 2017
Issue: 7
Volume: 46
Page: 1300-1306
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 7
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