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公开(公告)号：US20210280873A1
公开(公告)日：2021-09-09
申请号：US16997381
申请日：2020-08-19
发明人： Junhwan KU , Toshinori SUGIMOTO
IPC分类号： H01M4/62 , H01M10/0562 , H01M10/0585 , H01M4/36 , H01M4/38 , H01M4/40 , H01M10/0525
摘要： A cathode includes a cathode active material layer, wherein the cathode active material layer includes a cathode active material and a sulfide solid electrolyte, and wherein the cathode active material layer is free of a conductive additive or includes a fibrous conductive additive in a range of greater than 0 weight percent to about 0.4 weight percent, based on the total weight of the cathode active material layer.
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公开(公告)号：US20240055655A1
公开(公告)日：2024-02-15
申请号：US18495034
申请日：2023-10-26
发明人： Junhwan KU , Toshinori SUGIMOTO
CPC分类号： H01M10/0562 , H01M4/623 , H01M4/661 , H01M4/405 , H01M4/505 , H01M4/525 , H01M4/663 , H01M2300/008
摘要： An all-solid secondary battery includes a solid electrolyte layer disposed between an anode layer and a cathode layer, where the solid electrolyte layer contains a first solid electrolyte layer including a first solid electrolyte and a second electrolyte layer including a second solid electrolyte, where the first solid electrolyte is disposed proximate to the anode layer, the second solid electrolyte layer is disposed proximate to the cathode layer, and the first solid electrolyte has a lithium ion conductivity greater than a lithium ion conductivity of the second solid electrolyte, where a difference between the lithium ion conductivity of the first solid electrolyte and the lithium ion conductivity of the second solid electrolyte is equal to or greater than about 2 mS/cm.
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公开(公告)号：US20230352728A1
公开(公告)日：2023-11-02
申请号：US18013766
申请日：2021-06-22
发明人： Saebom RYU , Youngsin PARK , Junhwan KU , Soyeon KIM , Shintaro KITAJIMA
IPC分类号： H01M10/0562 , H01M4/587 , H01M4/04 , H01M4/62
CPC分类号： H01M10/0562 , H01M4/587 , H01M4/0404 , H01M4/626 , H01M2300/008 , H01M2004/027
摘要： The present invention relates to a solid ion conductor compound represented by LiaMxTyPbScCldXe and having an argyrodite crystal structure, a solid electrolyte including the same, and an electrochemical cell including the same.
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公开(公告)号：US20240063430A1
公开(公告)日：2024-02-22
申请号：US18495042
申请日：2023-10-26
发明人： Junhwan KU , Toshinori SUGIMOTO
CPC分类号： H01M10/0562 , H01M4/405 , H01M4/505 , H01M4/525 , H01M4/623 , H01M4/661 , H01M4/663 , H01M2300/008
摘要： An all-solid secondary battery includes a solid electrolyte layer disposed between an anode layer and a cathode layer, where the solid electrolyte layer contains a first solid electrolyte layer including a first solid electrolyte and a second electrolyte layer including a second solid electrolyte, where the first solid electrolyte is disposed proximate to the anode layer, the second solid electrolyte layer is disposed proximate to the cathode layer, and the first solid electrolyte has a lithium ion conductivity greater than a lithium ion conductivity of the second solid electrolyte, where a difference between the lithium ion conductivity of the first solid electrolyte and the lithium ion conductivity of the second solid electrolyte is equal to or greater than about 2 mS/cm.
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公开(公告)号：US20230291004A1
公开(公告)日：2023-09-14
申请号：US18013127
申请日：2021-09-17
发明人： Seoksoo LEE , Junhwan KU
IPC分类号： H01M10/0562 , C01B25/14
CPC分类号： H01M10/0562 , C01B25/14 , C01P2002/54 , C01P2002/72 , C01P2004/61 , C01P2004/62 , C01P2006/40 , H01M2300/008
摘要： Disclosed herein are a solid ion conductor compound includinga compound that is represented by Formula 1 and has an argyrodite-type crystal structure, an ion conductivity of 3 mS/cm or more at 25° C., and an average particle diameter of 0.1 µm to 7 µm, a solid electrolyte including the solid ion conductor compound, an electrochemical cell including the solid ion conductor compound, and a method of preparing the solid ion conductor compound.
In Formula 1,
M1 is at least one metal element selected from Group 1 to 15 elements, except for Li, in the Periodic Table,
M2 is at least one element selected from Group 17 elements in the Periodic Table,
M3 isSOn, and
4≤a≤8, 0≤x-
公开(公告)号：US20230275261A1
公开(公告)日：2023-08-31
申请号：US18013079
申请日：2021-07-13
发明人： Junhwan KU , Seoksoo LEE , Youngsin PARK , Toshinori SUGIMOTO
IPC分类号： H01M10/0562
CPC分类号： H01M10/0562 , H01M2300/0094 , H01M2300/008
摘要： Provided are an all-solid secondary battery and a method of manufacturing the same, the all-solid secondary battery including: an anode layer; a cathode layer; and a solid electrolyte layer between the anode layer and the cathode layer, wherein the cathode layer contains a large-particle cathode active material, a small-diameter cathode active material, and a solid electrolyte, the solid electrolyte layer includes a first solid electrolyte layer adjacent to the cathode layer and containing a first solid electrolyte, and a second solid electrolyte layer adjacent to the anode layer and containing a second electrolyte, the second solid electrolyte has a larger size than the solid electrolyte of the cathode layer or the first solid electrolyte, and the second solid electrolyte has higher ion conductivity than the first solid electrolyte.
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公开(公告)号：US20210242490A1
公开(公告)日：2021-08-05
申请号：US16927097
申请日：2020-07-13
发明人： Junhwan KU , Toshinori SUGIMOTO
摘要： An all-solid secondary battery includes a solid electrolyte layer disposed between an anode layer and a cathode layer, where the solid electrolyte layer contains a first solid electrolyte layer including a first solid electrolyte and a second electrolyte layer including a second solid electrolyte, where the first solid electrolyte is disposed proximate to the anode layer, the second solid electrolyte layer is disposed proximate to the cathode layer, and the first solid electrolyte has a lithium ion conductivity greater than a lithium ion conductivity of the second solid electrolyte, where a difference between the lithium ion conductivity of the first solid electrolyte and the lithium ion conductivity of the second solid electrolyte is equal to or greater than about 2 mS/cm.
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