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公开(公告)号：US11909032B2
公开(公告)日：2024-02-20
申请号：US16504620
申请日：2019-07-08
发明人： Sukgi Hong , Byongyong Yu , Donghee Yeon , Byungjin Choi
CPC分类号： H01M4/366 , C01G53/04 , C01G53/50 , H01M4/525 , H01M4/628 , C01P2002/72 , C01P2002/85 , C01P2004/04 , C01P2006/40 , H01M2004/028
摘要： A composite cathode active material includes: a core including a plurality of primary particles; and a shell on the core, wherein the primary particles include a first lithium transition metal oxide comprising nickel, the shell includes a first layer and a second layer on the first layer, the first layer includes a first composition containing a first metal, the second layer includes a second composition containing phosphorus, and the first metal includes at least one or more metal, other than nickel, belonging to any of Groups 2 to 5 and Groups 7 to 15 of the Periodic Table of the Elements. Also a cathode, and a lithium battery each including the composite cathode active material, and a method of preparing the composite cathode active material.
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公开(公告)号：US20180205084A1
公开(公告)日：2018-07-19
申请号：US15873287
申请日：2018-01-17
发明人： Dongjin Ham , Jayhyok Song , Donghee Yeon , Jinhwan Park , Daechul Yoo
IPC分类号： H01M4/58 , H01M10/054 , H01M10/052 , H01M4/04 , H01M4/86 , H01M4/88
CPC分类号： H01M4/5825 , H01M4/0459 , H01M4/366 , H01M4/525 , H01M4/62 , H01M4/8657 , H01M4/8882 , H01M10/052 , H01M10/0525 , H01M10/054
摘要： An electrode active material includes: a core active material having a layered structure and capable of reversibly incorporating and deincorporating lithium; a dopant including boron and a first metal element, wherein the dopant is in the core active material; and a nanostructure disposed on a surface of the core active material and including a metal borate compound including a second metal element, wherein the second metal element is the same as the first metal element.
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公开(公告)号：US20240097117A1
公开(公告)日：2024-03-21
申请号：US18512735
申请日：2023-11-17
发明人： Sukgi Hong , Byongyong Yu , Donghee Yeon , Byungjin Choi
CPC分类号： H01M4/366 , C01G53/04 , C01G53/50 , H01M4/525 , H01M4/628 , C01P2002/72 , C01P2002/85 , C01P2004/04 , C01P2006/40 , H01M2004/028
摘要： A composite cathode active material includes: a core including a plurality of primary particles; and a shell on the core, wherein the primary particles include a first lithium transition metal oxide comprising nickel, the shell includes a first layer and a second layer on the first layer, the first layer includes a first composition containing a first metal, the second layer includes a second composition containing phosphorus, and the first metal includes at least one or more metal, other than nickel, belonging to any of Groups 2 to 5 and Groups 7 to 15 of the Periodic Table of the Elements. Also a cathode, and a lithium battery each including the composite cathode active material, and a method of preparing the composite cathode active material.
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公开(公告)号：US11870061B2
公开(公告)日：2024-01-09
申请号：US16504620
申请日：2019-07-08
发明人： Sukgi Hong , Byongyong Yu , Donghee Yeon , Byungjin Choi
CPC分类号： H01M4/366 , C01G53/04 , C01G53/50 , H01M4/525 , H01M4/628 , C01P2002/72 , C01P2002/85 , C01P2004/04 , C01P2006/40 , H01M2004/028
摘要： A composite cathode active material includes: a core including a plurality of primary particles; and a shell on the core, wherein the primary particles include a first lithium transition metal oxide comprising nickel, the shell includes a first layer and a second layer on the first layer, the first layer includes a first composition containing a first metal, the second layer includes a second composition containing phosphorus, and the first metal includes at least one or more metal, other than nickel, belonging to any of Groups 2 to 5 and Groups 7 to 15 of the Periodic Table of the Elements. Also a cathode, and a lithium battery each including the composite cathode active material, and a method of preparing the composite cathode active material.
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公开(公告)号：US10741840B2
公开(公告)日：2020-08-11
申请号：US16119170
申请日：2018-08-31
发明人： Dongjin Ham , Jayhyok Song , Andrei Kapylou , Jinhwan Park , Youhwan Son , San Moon , Sungjin Ahn , Donghee Yeon , Jinsu Ha , Kwangjin Park , Byungjin Choi
IPC分类号： H01M4/13 , H01M4/525 , H01M10/052 , H01M4/131 , H01M4/36 , H01M4/505 , H01M10/0525 , H01M4/02
摘要： A cathode active material includes a secondary particle including an aggregate of a plurality of primary particles, wherein the secondary particle includes a nickel-containing lithium transition metal oxide having a layered crystal structure, wherein the plurality of primary particles includes a first primary particle having a size greater than about 400 nanometers, a second primary particle having a size less than about 150 nanometers, and a third primary particle having a size of about 150 nanometers to about 400 nanometers, wherein the third primary particle has a area of greater than or equal to about 80% of a total area of the plurality of primary particles, and wherein the secondary particle has a porosity of less than or equal to about 10% of a total area of the cathode active material.
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公开(公告)号：US10290861B2
公开(公告)日：2019-05-14
申请号：US15161759
申请日：2016-05-23
发明人： Byungjin Choi , Andrei Kapylou , Donghan Kim , Jinhwan Park , Jayhyok Song , Sungjin Ahn , Donghee Yeon , Byongyong Yu
摘要： A composite positive active material includes: a composite including a first metal oxide represented by Formula 1 and having a layered structure, and a second metal oxide having at least one crystal structure selected from a layer structure, a perovskite structure, a rock salt structure, and a spinel structure, wherein a content of the second metal oxide is greater than 0 and equal to or less than 0.2 moles, per mole of the composite, LiNixM11-xO2-eM2e Formula 1 wherein, in Formula 1, M1 is at least one element selected from Group 4 to Group 14 of the Periodic Table of the Elements; Ma is at least one element selected from F, S, Cl, and Br; 0.7≤x
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公开(公告)号：US20170179470A1
公开(公告)日：2017-06-22
申请号：US15161759
申请日：2016-05-23
发明人： Byungjin Choi , Andrei KAPYLOU , Donghan Kim , Jinhwan Park , Jayhyok Song , Sungjin Ahn , Donghee Yeon , Byongyong Yu
CPC分类号： H01M4/364 , C01G45/1257 , C01G53/006 , C01G53/50 , C01P2002/72 , C01P2004/03 , C01P2004/62 , C01P2004/82 , C01P2006/11 , C01P2006/40 , H01M4/0471 , H01M4/366 , H01M4/485 , H01M4/505 , H01M4/525 , H01M4/623 , H01M4/624 , H01M4/625 , H01M10/0525 , H01M2004/028
摘要： A composite positive active material includes: a composite including a first metal oxide represented by Formula 1 and having a layered structure, and a second metal oxide having at least one crystal structure selected from a layer structure, a perovskite structure, a rock salt structure, and a spinel structure, wherein a content of the second metal oxide is greater than 0 and equal to or less than 0.2 moles, per mole of the composite, LiNixM11-xO2-eM2e Formula 1 wherein, in Formula 1, M1 is at least one element selected from Group 4 to Group 14 of the Periodic Table of the Elements; Ma is at least one element selected from F, S, Cl, and Br; 0.7≦x
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8.发明申请COMPOSITE POSITIVE ACTIVE MATERIAL, POSITIVE ELECTRODE AND LITHIUM BATTERY CONTAINING THE COMPOSITE POSITIVE ACTIVE MATERIAL 审中-公开复合正极活性材料，含电极活性材料的正电极和锂电池公开(公告)号：US20170062813A1
公开(公告)日：2017-03-02
申请号：US15244701
申请日：2016-08-23
发明人： Byungjin Choi , Andrei KAPYLOU , Donghan Kim , Jinhwan Park , Jayhyok Song , Sungjin Ahn , Donghee Yeon , Byongyong Yu
IPC分类号： H01M4/36 , H01M4/525 , H01M4/505 , H01M10/0525 , H01M4/131
CPC分类号： H01M4/525 , H01M4/364 , H01M4/505 , H01M10/0525
摘要： A composite positive active material includes a composite, the composite including: a first metal oxide having a layered crystal structure; and a second metal oxide having a rocksalt crystal structure, wherein the composite includes at least one doping element selected from Group 1 and Group 2 of the Periodic Table wherein the doping element is not Li.
摘要翻译： 复合正极活性物质包括复合物，所述复合物包括：具有层状晶体结构的第一金属氧化物; 和具有岩盐晶体结构的第二金属氧化物，其中所述复合物包括选自元素周期表的第1族和第2族中的至少一种掺杂元素，其中掺杂元素不是Li。
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公开(公告)号：US11183681B2
公开(公告)日：2021-11-23
申请号：US16504747
申请日：2019-07-08
发明人： Sukgi Hong , Dongwook Shin , Byongyong Yu , Jinhwan Park , Jayhyok Song , Donghee Yeon , Byungjin Choi , Jinsu Ha , Dongjin Ham
摘要： A composite cathode active material includes a secondary particle; and a coating on a surface of the secondary particle, wherein the secondary particle comprises a plurality of primary particles, and the plurality of primary particles include a lithium nickel transition metal oxide having a layered crystal structure; and a grain boundary between primary particles of the plurality of primary particles, the grain boundary including a lithium metal oxide having a crystal structure different from the lithium nickel transition metal oxide having a layered crystal structure, wherein the coating on the surface of the secondary particle includes a metal oxide including cobalt, and a Group 2 element, a Group 12 element, a Group 13 element, or a combination thereof.
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公开(公告)号：US10892488B2
公开(公告)日：2021-01-12
申请号：US15873287
申请日：2018-01-17
发明人： Dongjin Ham , Jayhyok Song , Donghee Yeon , Jinhwan Park , Daechul Yoo
IPC分类号： H01M4/58 , H01M4/04 , H01M10/052 , H01M4/88 , H01M10/054 , H01M4/86 , H01M4/36 , H01M4/525 , H01M4/02
摘要： An electrode active material includes: a core active material having a layered structure and capable of reversibly incorporating and deincorporating lithium; a dopant including boron and a first metal element, wherein the dopant is in the core active material; and a nanostructure disposed on a surface of the core active material and including a metal borate compound including a second metal element, wherein the second metal element is the same as the first metal element.
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