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中文摘要：
磷灰石型硅酸镧是一种具有低活化能和高氧离子传导能力的新型氧离子导体。综述了硅酸镧基氧离子导体的晶体结构、导电机理及制备方法,归纳总结了元素掺杂对氧离子传导性能的影响,以及该氧离子导体在固体氧化物燃料电池和气体传感器等方面的应用,并对硅酸镧电解质的发展前景进行了展望。
英文摘要：
Apatite-type lanthanum silicate is a new type of oxide ion conductor with low activation energy and high oxygen ionic conductivity. In this paper, the crystal structure, conduction mechanism, synthesis methods and the state of the art in the research of lanthanum silicate-based oxide ion conductors are reviewed. Further- more, the influence of various doped on oxide conductivity performance is generalized. The application of the oxide ion conductors in solid oxide fuel cell and gas sensors and so on are summarized. The development per- spective in lanthanum silicate electrolyte are displayed.
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