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公开(公告)号：US10974965B2
公开(公告)日：2021-04-13
申请号：US16253639
申请日：2019-01-22
发明人： Jongseok Moon , Mijong Kim , Sewon Kim , Kyueun Shim , Sungsoo Han , Inhyuk Son , Jumyeung Lee , Minwoo Lim
IPC分类号： B32B9/00 , C01B33/023 , H01M4/38 , H01M4/48 , H01M4/1395 , H01M4/62 , H01M4/36 , H01M4/04 , H01M4/587 , C01B33/00 , C01B32/186 , H01L35/14 , H01M4/583 , H01M4/134 , H01M10/0525 , C01B32/182 , C01B32/20 , B82Y40/00 , C01B33/113
摘要： A silicon-containing structure including: a silicon composite including a porous silicon secondary particle and a first carbon flake on a surface of the porous silicon secondary particle; a carbonaceous coating layer on the porous silicon composite, the carbonaceous coating layer comprising a first amorphous carbon; and the silicon composite comprises a second amorphous carbon and has a density that is equal to or less than a density of the carbonaceous coating layer, wherein the porous silicon secondary particle includes an aggregate of silicon composite primary particles, each including silicon, a silicon suboxide on a surface of the silicon, and a second carbon flake on a surface of the silicon suboxide.
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2.发明授权公开(公告)号：US10541415B2
公开(公告)日：2020-01-21
申请号：US15718386
申请日：2017-09-28
发明人： Jeeeun Yang , Seunguk Kwon , Kyueun Shim , Hyoungwoo Choi , Sungsoo Han
IPC分类号： H01M4/62 , H01M4/13 , H01M4/38 , H01M10/052 , H01M4/02
摘要： A negative electrode for a lithium secondary battery includes: a negative active material disposed on a current collector; a negative active material layer including a first binder and a conductive agent; and a protective layer disposed on the negative active material layer, wherein the protective layer is in direct contact with the current collector and includes a nonaqueous or aqueous second binder and an inorganic material, wherein, in the protective layer including the aqueous second binder and the inorganic material, the amount of the inorganic material may be about 65 parts by weight or greater, based on 100 parts by weight of the protective layer, and wherein the protective layer including the nonaqueous second binder and the inorganic material, the amount of the inorganic material may be in a range of about 5 parts to about 25 parts by weight, based on 100 parts by weight of the protective layer.
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公开(公告)号：US11695107B2
公开(公告)日：2023-07-04
申请号：US16595751
申请日：2019-10-08
发明人： Junghyun Choi , Inhyuk Son , Mijong Kim , Sangkook Mah , Jumyeung Lee , Minwoo Lim , Sungsoo Han
IPC分类号： H01M4/36 , H01M4/38 , H01M4/587 , H01M10/0525 , H01M4/02
CPC分类号： H01M4/364 , H01M4/366 , H01M4/386 , H01M4/587 , H01M10/0525 , H01M2004/021 , H01M2004/027
摘要： A porous silicon-containing composite includes: a porous core including a porous silicon composite secondary particle; and a shell on at least one surface of the porous core, the shell including a first graphene, wherein the porous silicon composite secondary particle includes an aggregate of a first primary particle including silicon, a second primary particle including a structure and second graphene on at least one surface of the first primary particle and the second primary particle, and wherein at least one of a shape and a degree of oxidation of the first primary particle and the second primary particle are different. Also an electrode including the porous silicon-containing composite, a lithium battery including the electrode, and a device including the porous silicon-containing composite or the carbon composite.
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4.发明授权公开(公告)号：US11264615B2
公开(公告)日：2022-03-01
申请号：US16105045
申请日：2018-08-20
发明人： Woojin Bae , Kanghee Lee , Heechul Jung , Seongho Jeon , Sungsoo Han
IPC分类号： H01M2/14 , H01M4/62 , H01M4/133 , H01M4/134 , H01M4/36 , H01M4/38 , H01M10/0525 , C08J3/24 , H01M4/587 , H01M4/02 , H01M10/052
摘要： A binder includes a cross-linked product of at least a first polymer, a second polymer, and a third polymer, wherein the cross-linked product is cross-linked by at least two ester bonds; the first polymer includes polyimide, polyamic acid, a copolymer thereof, or a combination thereof, wherein the first polymer includes a structural unit including an alkali metal and a structural unit including at least one hydroxyl functional group; the second polymer includes poly(acrylic acid), poly(methacrylic acid), a copolymer thereof, or a combination thereof; and the third polymer includes polyvinyl alcohol, polyacrylamide, polymethacrylamide, a copolymer thereof, or a combination thereof.
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公开(公告)号：US10978701B2
公开(公告)日：2021-04-13
申请号：US15816095
申请日：2017-11-17
发明人： Jongseok Moon , Mijong Kim , Sewon Kim , Kyueun Shim , Sungsoo Han , Inhyuk Son , Jumyeung Lee
IPC分类号： H01M4/38 , H01M4/1393 , H01M4/134 , H01M4/1395 , H01G11/24 , H01M4/36 , H01G11/42 , H01G11/50 , H01G11/38 , H01M4/04 , H01M4/62 , H01M10/052 , H01M4/02
摘要： A porous silicon composite including: a porous silicon composite cluster comprising a porous silicon composite secondary particle and a second carbon flake on at least one surface of the porous silicon composite secondary particle; and a carbonaceous layer on the porous silicon composite cluster, the carbonaceous layer comprising amorphous carbon, wherein the porous silicon composite secondary particle comprises an aggregate of two or more silicon primary particles, the two or more silicon primary particles comprise silicon, a silicon suboxide of the formula SiOx, wherein 0
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公开(公告)号：US10529983B2
公开(公告)日：2020-01-07
申请号：US15398016
申请日：2017-01-04
申请人： Samsung Electronics Co., Ltd. , Samsung SDI Co., Ltd. , Seoul National University R&DB Foundation
发明人： Kanghee Lee , Byoungsun Lee , Woongryeol Yu , Sungsoo Han , Hosung Yang , Jihyun Yoon
摘要： A composite electrode active material includes: a carbon nanostructure shell; a first core material disposed in a first pore channel of the carbon nanostructure shell; and a second core material disposed in a second pore channel of the carbon nanostructure shell, wherein the first core material includes a first electrode active material and the second core material includes a second electrode active material, and wherein the first electrode active material has a Li+/Li charge/discharge voltage potential which is different from a Li+/Li charge/discharge voltage potential of the second electrode active material.
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公开(公告)号：US10862107B2
公开(公告)日：2020-12-08
申请号：US15397910
申请日：2017-01-04
发明人： Ken Ogata , Seongho Jeon , Koichi Takei , Sungsoo Han
摘要： A composite anode active material includes a composite medium, the composite medium including a first medium block including a metal nanostructure capable of intercalation or deintercalation of lithium and a conductive medium disposed on the metal nanostructure; and a second medium block, disposed adjacent to the first medium block and including a medium which is free of the metal nanostructure.
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公开(公告)号：US20200161634A1
公开(公告)日：2020-05-21
申请号：US16557097
申请日：2019-08-30
发明人： Mijong Kim , Inhyuk Son , Sangkook Mah , Jumyeung Lee , Minwoo Lim , Junghyun Choi , Sungsoo Han
IPC分类号： H01M4/133 , H01M4/62 , H01M10/0525 , H01M4/1393
摘要： An electrode composite conducting agent for a lithium battery includes a carbonaceous conductive material, and the graphene-silica composite, wherein the graphene-silica composite includes a matrix including graphene, and a silicon suboxide of the formula SiOx wherein 0
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公开(公告)号：US10431798B2
公开(公告)日：2019-10-01
申请号：US15540466
申请日：2015-12-22
发明人： Byungmin Lee , Myungkook Park , Seungrim Yang , Eon-Mi Lee , Bokyung Jung , Sungsoo Han , Hana Kim , Jungsue Jang , Minho Cho , Hyoungwoo Choi
IPC分类号： H01M2/16 , C08J5/22 , C08L71/02 , H01M10/052 , H01M10/42 , H01M10/0525
摘要： Provided are a separator for a lithium secondary battery including a substrate and a heat-resistance porous layer disposed on at least one surface of the substrate and including a cross-linked binder, wherein the cross-linked binder has a cross-linking structure of a compound represented by Chemical Formula 2, and a lithium secondary battery including the same.
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公开(公告)号：US20190233294A1
公开(公告)日：2019-08-01
申请号：US16253639
申请日：2019-01-22
发明人： Jongseok Moon , Mijong Kim , Sewon Kim , Kyueun Shim , Sungsoo Han , Inhyuk Son , Jumyeung Lee , Minwoo Lim
IPC分类号： C01B33/023 , H01M4/38 , H01M4/583 , H01L35/14
CPC分类号： C01B33/023 , B82Y40/00 , C01B32/182 , C01B32/186 , C01B32/20 , C01B33/00 , C01B33/113 , C01P2004/03 , C01P2004/04 , H01L35/14 , H01M4/0416 , H01M4/0428 , H01M4/134 , H01M4/1395 , H01M4/366 , H01M4/386 , H01M4/48 , H01M4/583 , H01M4/587 , H01M4/625 , H01M10/0525
摘要： A silicon-containing structure including: a silicon composite including a porous silicon secondary particle and a first carbon flake on a surface of the porous silicon secondary particle; a carbonaceous coating layer on the porous silicon composite, the carbonaceous coating layer comprising a first amorphous carbon; and the silicon composite comprises a second amorphous carbon and has a density that is equal to or less than a density of the carbonaceous coating layer, wherein the porous silicon secondary particle includes an aggregate of silicon composite primary particles, each including silicon, a silicon suboxide on a surface of the silicon, and a second carbon flake on a surface of the silicon suboxide.
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