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公开(公告)号：US11616236B2
公开(公告)日：2023-03-28
申请号：US16599343
申请日：2019-10-11
Applicant: Samsung Electronics Co., Ltd. , Samsung SDI Co., Ltd.
Inventor： Koichi Takei , Woojin Bae , Kanghee Lee , Seongho Jeon , Heechul Jung , Sungsoo Han
IPC: C08F216/06 , H01M4/62 , H01M4/1393 , H01M10/0569 , H01M10/0525 , C08F220/06 , H01M4/36
Abstract: A binder including a metal salt of a graft copolymer, which is a polymerization product of polyvinyl alcohol, an ethylenically unsaturated carboxylic acid, and a polymerizable monomer having a long-chain alkyl group.
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公开(公告)号：US20180316009A1
公开(公告)日：2018-11-01
申请号：US15876410
申请日：2018-01-22
Applicant: Samsung Electronics Co., Ltd. , Samsung SDI Co., Ltd.
Inventor： Junho Park , Kwangjin Park , Youhwan Son , Kanghee Lee , Sukgi Hong , Byungjin Choi
IPC: H01M4/525 , H01M10/0525 , H01M4/02
Abstract: A composite cathode active material, and a cathode and a lithium battery each including the composite cathode active material. The composite cathode active material includes: a core including a first lithium transition metal oxide represented by Formula 1, LiaMO2 wherein, in Formula 1, M includes Ni and at least one non-nickel Group 4 to Group 13 element, a content of Ni is about 70 mol % or greater, based on a total content of M, 0.9≤a≤1.1, and wherein the first lithium transition metal oxide has a layered crystal structure belonging to an R3m space group; and a shell on a surface of the core, the shell having a spinel crystal structure and including a dopant.
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3.发明申请公开(公告)号：US20160099463A1
公开(公告)日：2016-04-07
申请号：US14872251
申请日：2015-10-01
Applicant: Samsung Electronics Co., Ltd. , Samsung SDI Co., Ltd.
Inventor： Byoungsun Lee , Heechul Jung , Kanghee Lee , Jinhwan Park , Changhoon Jung , Kihong Kim , Yoonsok Kang , Dongyoung Kim
CPC classification number: H01M4/364 , H01M4/131 , H01M4/133 , H01M4/134 , H01M4/139 , H01M4/38 , H01M4/386 , H01M4/387 , H01M4/463 , H01M4/485 , H01M4/587 , H01M10/052 , H01M2004/027
Abstract: A composite negative active material including a piezoelectric material; and a negative active material. Also a negative electrode including the composite negative active material, and a lithium secondary battery including the negative electrode.
Abstract translation: 包括压电材料的复合负极活性材料; 和负极活性物质。 还有一种包括复合负极活性材料的负极和包含负极的锂二次电池。
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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
Applicant: Samsung Electronics Co., Ltd. , Samsung SDI Co., Ltd.
Inventor： Woojin Bae , Kanghee Lee , Heechul Jung , Seongho Jeon , Sungsoo Han
IPC: H01M2/14 , H01M4/62 , H01M4/133 , H01M4/134 , H01M4/36 , H01M4/38 , H01M10/0525 , C08J3/24 , H01M4/587 , H01M4/02 , H01M10/052
Abstract: 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：US10529983B2
公开(公告)日：2020-01-07
申请号：US15398016
申请日：2017-01-04
Applicant: Samsung Electronics Co., Ltd. , Samsung SDI Co., Ltd. , Seoul National University R&DB Foundation
Inventor： Kanghee Lee , Byoungsun Lee , Woongryeol Yu , Sungsoo Han , Hosung Yang , Jihyun Yoon
Abstract: 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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Patent Agency Ranking
6.发明申请公开(公告)号：US20180097229A1
公开(公告)日：2018-04-05
申请号：US15684135
申请日：2017-08-23
Applicant: Samsung Electronics Co., Ltd. , Samsung SDI Co., Ltd.
Inventor： Sungnim Jo , Kyueun Shim , Sewon Kim , Jongseok Moon , Kanghee Lee
IPC: H01M4/583 , H01M4/38 , H01M10/0525
CPC classification number: H01M4/583 , C01B32/158 , C01B32/182 , C01B32/20 , H01M4/0471 , H01M4/133 , H01M4/134 , H01M4/1393 , H01M4/1395 , H01M4/364 , H01M4/366 , H01M4/386 , H01M4/587 , H01M4/62 , H01M4/625 , H01M4/66 , H01M10/052 , H01M10/0525 , H01M2004/027
Abstract: A negative active material including: a porous silicon-carbon secondary particle including: a plurality of silicon-carbon primary particles including a plurality of silicon-carbon primary particles including a silicon material, and a first carbonaceous material, wherein an apparent density of a silicon-carbon primary particle of the plurality of silicon-carbon primary particles is about 2 grams per cubic centimeter or greater; and a second carbonaceous material, wherein the second carbonaceous material is disposed on the plurality of silicon-carbon primary particles.
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公开(公告)号：US09923197B2
公开(公告)日：2018-03-20
申请号：US14872251
申请日：2015-10-01
Applicant: Samsung Electronics Co., Ltd. , Samsung SDI Co., Ltd.
Inventor： Byoungsun Lee , Heechul Jung , Kanghee Lee , Jinhwan Park , Changhoon Jung , Kihong Kim , Yoonsok Kang , Dongyoung Kim
IPC: H01M4/36 , H01M4/133 , H01M4/134 , H01M4/131 , H01M4/38 , H01M4/46 , H01M4/485 , H01M4/139 , H01M4/587 , H01M10/052 , H01M4/02
CPC classification number: H01M4/364 , H01M4/131 , H01M4/133 , H01M4/134 , H01M4/139 , H01M4/38 , H01M4/386 , H01M4/387 , H01M4/463 , H01M4/485 , H01M4/587 , H01M10/052 , H01M2004/027
Abstract: A composite negative active material including a piezoelectric material; and a negative active material. Also a negative electrode including the composite negative active material, and a lithium secondary battery including the negative electrode.
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8.发明申请ELECTRODE ACTIVE MATERIAL, ELECTRODE AND SECONDARY BATTERY INCLUDING THE SAME, AND METHOD OF PREPARING THE ELECTRODE ACTIVE MATERIAL 审中-公开电极活性材料，电极和包括其的二次电池及其制备电极活性材料的方法公开(公告)号：US20170077497A1
公开(公告)日：2017-03-16
申请号：US15205068
申请日：2016-07-08
Applicant: Samsung Electronics Co., Ltd. , Samsung SDI Co., Ltd.
Inventor： Ken OGATA , Koichi TAKEI , Kanghee Lee , Byoungsun Lee , Jaemyung Lee , Minwoo Lim
IPC: H01M4/36 , H01M10/0525 , H01M4/62 , H01M4/38
CPC classification number: H01M4/364 , H01M4/134 , H01M4/1395 , H01M4/366 , H01M4/386 , H01M4/587 , H01M4/622 , H01M4/624 , H01M4/625 , H01M4/626 , H01M10/052 , H01M12/08 , Y02E60/128 , Y02T10/7011
Abstract: An electrode active material including a secondary particle, the secondary particle including: a plurality of primary particles including a silicon-containing material; an electrically conductive material; and a chemically cross-linked water-insoluble polymer. Also an electrode, and a secondary battery, both of which include the electrode active material, and a method of preparing the electrode active material.
Abstract translation: 一种包括二次粒子的电极活性材料，所述二次粒子包括：包含含硅材料的多个一次粒子; 导电材料; 和化学交联的水不溶性聚合物。 还有一种包括电极活性材料的电极和二次电池以及制备电极活性材料的方法。
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公开(公告)号：US10763503B2
公开(公告)日：2020-09-01
申请号：US15876410
申请日：2018-01-22
Applicant: Samsung Electronics Co., Ltd. , Samsung SDI Co., Ltd.
Inventor： Junho Park , Kwangjin Park , Youhwan Son , Kanghee Lee , Sukgi Hong , Byungjin Choi
IPC: H01M4/52 , H01M4/525 , H01M10/0525 , H01M4/1391 , H01M4/131 , H01M4/36 , C01D15/02 , H01M4/02 , H01M4/505
Abstract: A composite cathode active material, and a cathode and a lithium battery each including the composite cathode active material. The composite cathode active material includes: a core including a first lithium transition metal oxide represented by Formula 1, LiaMO2 wherein, in Formula 1, M includes Ni and at least one non-nickel Group 4 to Group 13 element, a content of Ni is about 70 mol % or greater, based on a total content of M, 0.9≤a≤1.1, and wherein the first lithium transition metal oxide has a layered crystal structure belonging to an R3m space group; and a shell on a surface of the core, the shell having a spinel crystal structure and including a dopant.
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公开(公告)号：US10516157B2
公开(公告)日：2019-12-24
申请号：US15205068
申请日：2016-07-08
Applicant: Samsung Electronics Co., Ltd. , Samsung SDI Co., Ltd.
Inventor： Ken Ogata , Koichi Takei , Kanghee Lee , Byoungsun Lee , Jaemyung Lee , Minwoo Lim
IPC: H01M4/36 , H01M10/0525 , H01M4/62 , H01M4/38
Abstract: An electrode active material including a secondary particle, the secondary particle including: a plurality of primary particles including a silicon-containing material; an electrically conductive material; and a chemically cross-linked water-insoluble polymer. Also an electrode, and a secondary battery, both of which include the electrode active material, and a method of preparing the electrode active material.
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