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公开(公告)号：US20220149354A1
公开(公告)日：2022-05-12
申请号：US17431907
申请日：2020-02-26
发明人： Jun OMURA , Daisuke WASHIDA , Tetsuya MITSUMOTO , Hitohiko IDE , Yasuo KOMODA , Yasuhiro SHIBATA , Yasunori TABIRA , Tomoyuki MAEDA
IPC分类号： H01M4/36 , H01M10/0562
摘要： An active material is provided for use in a solid-state battery. The active material exhibits at least one peak in the range of 0.145 to 0.185 nm and at least one peak in the range of 0.280 to 0.310 nm in a radial distribution function obtained through measurement of an X-ray absorption fine structure thereof. In the particle size distribution, by volume, of the active material obtained through a particle size distribution measurement by laser diffraction scattering method, the ratio of the absolute value of the difference between the mode diameter of the active material and the D10 of the active material (referred to as the “mode diameter” and the “D10” respectively) to the mode diameter in percentage terms, (|mode diameter−D10|/mode diameter)×100, satisfies 0%
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公开(公告)号：US20230256506A1
公开(公告)日：2023-08-17
申请号：US17928640
申请日：2021-07-06
CPC分类号： B22F1/05 , B22F9/24 , C25D1/04 , B22F2301/10 , B22F2304/10
摘要： A fine metal linear body is provided in which the sintering temperature is lower than that in conventional examples. The fine metal linear body has a length of 0.5 to 200 µm and a thickness of 30 nm to 10 µm. When a length of a crystal of a metal constituting the fine metal linear body, in a direction in which the fine metal linear body extends, is taken as X, and a length thereof in a direction orthogonal to the direction is taken as Y, an X/Y value, which is a ratio of the X to the Y, is 4 or less, in three boundary regions when dividing the length of the fine metal linear body into four equal parts along the extending direction.
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公开(公告)号：US20230074796A1
公开(公告)日：2023-03-09
申请号：US17987974
申请日：2022-11-16
发明人： Jun OMURA , Daisuke WASHIDA , Tetsuya MITSUMOTO , Hitohiko IDE , Yasuo KOMODA , Yasuhiro SHIBATA , Yasunori TABIRA , Tomoyuki MAEDA
IPC分类号： H01M4/36 , H01M10/0562
摘要： An active material is provided for use in a solid-state battery. The active material exhibits at least one peak in the range of 0.145 to 0.185 nm and at least one peak in the range of 0.280 to 0.310 nm in a radial distribution function obtained through measurement of an X-ray absorption fine structure thereof. In the particle size distribution, by volume, of the active material obtained through a particle size distribution measurement by laser diffraction scattering method, the ratio of the absolute value of the difference between the mode diameter of the active material and the D10 of the active material (referred to as the “mode diameter” and the “D10” respectively) to the mode diameter in percentage terms, (|mode diameter - D10 / mode diameter) x 100, satisfies 0%
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公开(公告)号：US20210234158A1
公开(公告)日：2021-07-29
申请号：US17056339
申请日：2019-09-27
发明人： Daisuke WASHIDA , Hitohiko IDE , Tetsuya MITSUMOTO , Jun OMURA , Yasuo KOMODA , Yasuhiro SHIBATA , Yasunori TABIRA , Tomoyuki MAEDA
IPC分类号： H01M4/36 , H01M4/62 , H01M10/0562 , H01M10/0585 , H01M4/525 , H01M4/505
摘要： Disclosed is an active material that can reduce an interface resistance with a sulfide solid electrolyte and improve the battery performance. The active material exhibits at least one peak in the range of from 0.145 nm to 0.185 nm and at least one peak in the range of from 0.28 nm to 0.31 nm in a radial distribution function obtained through measurement of an X-ray absorption fine structure of the active material. The active material is for use in a solid-state battery. The active material preferably has a core particle, and a coating layer located on the surface of the core particle.
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