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Abstract:
采用溶胶-凝胶燃烧法和机械混合法制备摩尔比为1∶1的BaCe0.8Y0.2O2.9(BCY)-Ce0.8Gd0.2O1.9(GDC)复合粉末,并在1550℃烧结保温5h获得复合电解质片.对BCY-GDC复合电解质的化学稳定性以及电化学性能稳定性进行研究.结果表明:BCY-GDC复合电解质在1550℃烧结时会发生固相反应,形成以BaCe1-x-yGdxYyO3-α相为主的显微组织.固相反应后的BCY-GDC复合电解质在700℃3%CO2和沸水中的稳定性高于单相BCY;基于固相反应后BCY-GDC复合电解质的单电池在700℃下20h测试时间内的开路电压以及最大功率密度的稳定性均高于相同条件下BCY电解质的单电池.
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人工晶体学报
ISSN: 1000-985X
CN: 11-2637/O7
Year: 2016
Issue: 6
Volume: 45
Page: 1549-1554
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: 1
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