ION CONDUCTIVE OXIDE AND SECONDARY BATTERY

To provide an ion-conductive oxide having high ion conductivity.SOLUTION: An ion conductive oxide has Li or Na ion conductivity. A hexacoordinated octahedron expressed by MO6 (M is a metal element) and tetracoordinated tetrahedron expressed by XO4 (X is a metal or nonmetal element) include a structu...

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1. Verfasser:	SHINREI NOBUTAKA
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BASIC ELECTRIC ELEMENTS CABLES CONDUCTORS ELECTRICITY INSULATORS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
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Zusammenfassung:	To provide an ion-conductive oxide having high ion conductivity.SOLUTION: An ion conductive oxide has Li or Na ion conductivity. A hexacoordinated octahedron expressed by MO6 (M is a metal element) and tetracoordinated tetrahedron expressed by XO4 (X is a metal or nonmetal element) include a structure obtained by sharing and connecting oxygen atoms; and when using bond angle O-M-O dispersion in the MO6 as a first bond angle dispersion and using bond angle O-X-O dispersion in the XO4 as a second bond angle dispersion, the ratio of the second bond angle dispersion to the first bond angle dispersion is larger than 0.15.SELECTED DRAWING: Figure 1 【課題】イオンの伝導性が高いイオン伝導性酸化物を提供する。【解決手段】実施形態に係るイオン伝導性酸化物は、ＬｉイオンまたはＮａイオンの伝導性を有するイオン伝導性酸化物であって、ＭＯ６（Ｍは金属元素）で表される６配位八面体と、ＸＯ４（Ｘは金属元素または非金属元素）で表される４配位四面体とが酸素原子を共有して連結した構造体を含み、前記ＭＯ６における結合角Ｏ－Ｍ－Ｏの分散を第１結合角分散とし、前記ＸＯ４における結合角Ｏ－Ｘ－Ｏの分散を第２結合角分散とした場合に、前記第１結合角分散に対する前記第２結合角分散の比は、０．１５よりも大きい。【選択図】図１