【摘要】 分析了钇稳定的二氧化锆 (YSZ)的晶体结构及离子导电性。从 YSZ晶体结构中可能存在的氧空位跃迁类型 ,讨论了 YSZ的电导率随着钇掺入量的增加有一个最大值的原因 ,并且随着温度的升高 ,氧离子的激活能降低 ,跃迁几率增大 ,导电率也逐步增大更多还原

【Abstract】 The crystal structures and ionic conductivity of yttria stabilized zirconia(YSZ) are analyzed.Out of the type of transition of oxygen vacancies in YSZ,the reason that the conductivity of YSZ emerges a maximum as dopant increases are discussed.The activating energy of oxygen ion reduces and the probability of transition increases ,and the conductivity increase also progressively with the increase of temperature.更多还原