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公开(公告)号：US20240229296A9
公开(公告)日：2024-07-11
申请号：US18279458
申请日：2022-02-17
发明人： Sakiko YABU , Tokiharu OYAMA , Haruki MATSUO , Kentaro SOMA , Yasunori TABIRA , Shingo IDE
IPC分类号： C30B29/22 , C30B23/08 , G01N27/407
CPC分类号： C30B29/22 , C30B23/08 , G01N27/4073 , H01M8/1246
摘要： A layered body includes: a substrate; and an oxide portion positioned on the substrate. An oxide that constitutes the oxide portion contains at least two or more rare-earth elements: silicon; and oxygen. The oxide that is contained in the oxide portion exhibits a diffraction peak derived from a (004) plane at a position of 2θ=51.9°±0.9° in an X-ray diffraction pattern, and has an apatite crystal structure. The ratio of linear expansion coefficient of the oxide that constitutes the oxide portion in an a-axis direction relative to linear expansion coefficient of the substrate is 0.15 or more and 1.45 or less.
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公开(公告)号：US20240133075A1
公开(公告)日：2024-04-25
申请号：US18279458
申请日：2022-02-17
发明人： Sakiko YABU , Tokiharu OYAMA , Haruki MATSUO , Kentaro SOMA , Yasunori TABIRA , Shingo IDE
IPC分类号： C30B29/22 , C30B23/08 , G01N27/407
CPC分类号： C30B29/22 , C30B23/08 , G01N27/4073 , H01M8/1246
摘要： A layered body includes: a substrate; and an oxide portion positioned on the substrate. An oxide that constitutes the oxide portion contains at least two or more rare-earth elements: silicon; and oxygen. The oxide that is contained in the oxide portion exhibits a diffraction peak derived from a (004) plane at a position of 2θ=51.9°±0.9° in an X-ray diffraction pattern, and has an apatite crystal structure. The ratio of linear expansion coefficient of the oxide that constitutes the oxide portion in an a-axis direction relative to linear expansion coefficient of the substrate is 0.15 or more and 1.45 or less.
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公开(公告)号：US20230335716A1
公开(公告)日：2023-10-19
申请号：US18024846
申请日：2021-09-03
发明人： Takuya KAI , Tomoyuki MAEDA , Kentaro SOMA
CPC分类号： H01M4/366 , H01M4/525 , H01M4/505 , H01M4/131 , C01G53/44 , C01P2006/40 , C01P2004/84 , C01P2002/50 , C01P2002/32 , C01P2002/72
摘要： An active material has: a core portion made of an active material base material; and a coating portion located on a surface of the core portion. The coating portion contains an element A comprising at least one selected from the group consisting of titanium (Ti), zirconium (Zr), tantalum (Ta), niobium (Nb), and aluminum (Al). The active material has two or more inflection point in a first-order derivative obtained with respect to a peak attributed to the element A, the first-order derivative being obtained based on a constituent element average intensity profile measured for the coating portion with use of an energy dispersive X-ray spectrometer.
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