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公开(公告)号：US20220278320A1
公开(公告)日：2022-09-01
申请号：US17748307
申请日：2022-05-19
Inventor： Donghee Yeon , Byoungwoo Kang , Junghwa Lee , Byungjin Choi , Sukgi Hong , Jinsu Ha
IPC: H01M4/505 , H01M10/0525 , H01M4/525 , H01M4/04 , H01M4/1391 , H01M4/36
Abstract: A composite positive active material represented by Formula 1, LiaNibCOcMndMeO2 Formula 1 wherein, in Formula 1, M is zirconium (Zr), aluminum (Al), rhenium (Re), vanadium (V), chromium (Cr), iron (Fe), gallium (Ga), silicon (Si), boron (B), ruthenium (Ru), titanium (Ti), niobium (Nb), molybdenum (Mo), magnesium (Mg), or platinum (Pt), 1.1≤a≤1.3, b+c+d+e≤1, 0≤b≤0.3, 0≤c≤0.3, 0
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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
Applicant: Samsung Electronics Co., Ltd. , Samsung SDI Co., Ltd.
Inventor： Sukgi Hong , Byongyong Yu , Donghee Yeon , Byungjin Choi
CPC classification number: H01M4/366 , C01G53/04 , C01G53/50 , H01M4/525 , H01M4/628 , C01P2002/72 , C01P2002/85 , C01P2004/04 , C01P2006/40 , H01M2004/028
Abstract: 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
Applicant: Samsung Electronics Co., Ltd. , Samsung SDI Co., Ltd.
Inventor： Dongjin Ham , Jayhyok Song , Donghee Yeon , Jinhwan Park , Daechul Yoo
IPC: H01M4/58 , H01M10/054 , H01M10/052 , H01M4/04 , H01M4/86 , H01M4/88
CPC classification number: H01M4/5825 , H01M4/0459 , H01M4/366 , H01M4/525 , H01M4/62 , H01M4/8657 , H01M4/8882 , H01M10/052 , H01M10/0525 , H01M10/054
Abstract: 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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4.发明申请CATHODE ACTIVE MATERIAL, CATHODE AND LITHIUM BATTERY INCLUDING THE SAME, AND METHOD OF PREPARING THE CATHODE ACTIVE MATERIAL 有权阴极活性材料，阴极和锂电池，包括它们，以及制备阴极活性材料的方法公开(公告)号：US20150162609A1
公开(公告)日：2015-06-11
申请号：US14561323
申请日：2014-12-05
Applicant: Samsung Electronics Co., Ltd.
Inventor： Myunghoon Kim , Jaegu Yoon , Donghee Yeon , Jinhwan Park
IPC: H01M4/505 , H01M10/052 , C01D15/02 , H01M4/525
CPC classification number: H01M4/505 , C01G45/1257 , C01G53/50 , C01G53/56 , C01P2002/72 , C01P2006/40 , H01M10/052
Abstract: A cathode active material including a lithium transition metal oxide of Chemical Formula 1: Li2-xMexMyMn1-yO3-δ Chemical Formula 1 wherein 0≦x≦0.2, 0≦y≦0.2, 0
Abstract translation: 化学式1的锂过渡金属氧化物的正极活性物质：Li2-xMexMyMn1-yO3-δ化学式1其中0＆nlE; x＆nlE; 0.2,0＆nlE; y＆nlE; 0.2,0
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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
Applicant: Samsung Electronics Co., Ltd. , Samsung SDI Co., Ltd.
Inventor： Sukgi Hong , Byongyong Yu , Donghee Yeon , Byungjin Choi
CPC classification number: H01M4/366 , C01G53/04 , C01G53/50 , H01M4/525 , H01M4/628 , C01P2002/72 , C01P2002/85 , C01P2004/04 , C01P2006/40 , H01M2004/028
Abstract: 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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Patent Agency Ranking
公开(公告)号：US11870061B2
公开(公告)日：2024-01-09
申请号：US16504620
申请日：2019-07-08
Applicant: Samsung Electronics Co., Ltd. , Samsung SDI Co., Ltd.
Inventor： Sukgi Hong , Byongyong Yu , Donghee Yeon , Byungjin Choi
CPC classification number: H01M4/366 , C01G53/04 , C01G53/50 , H01M4/525 , H01M4/628 , C01P2002/72 , C01P2002/85 , C01P2004/04 , C01P2006/40 , H01M2004/028
Abstract: 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：US20200168906A1
公开(公告)日：2020-05-28
申请号：US16589490
申请日：2019-10-01
Inventor： Donghee Yeon , Byoungwoo Kang , Junghwa Lee , Byungjin Choi , Sukgi Hong , Jinsu Ha
IPC: H01M4/505 , H01M4/525 , H01M10/0525
Abstract: A composite positive active material represented by Formula 1, LiaNibCocMndMeO2 Formula 1 wherein, in Formula 1, M is zirconium (Zr), aluminum (Al), rhenium (Re), vanadium (V), chromium (Cr), iron (Fe), gallium (Ga), silicon (Si), boron (B), ruthenium (Ru), titanium (Ti), niobium (Nb), molybdenum (Mo), magnesium (Mg), or platinum (Pt), 1.1≤a≤1.3, b+c+d+e≤1, 0≤b≤0.3, 0≤c≤0.3, 0
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公开(公告)号：US10044030B2
公开(公告)日：2018-08-07
申请号：US14801387
申请日：2015-07-16
Applicant: Samsung Electronics Co., Ltd.
Inventor： Byungjin Choi , Yoonsok Kang , Junho Park , Jinhwan Park , Sungjin Ahn , Donghee Yeon , Jaegu Yoon
IPC: H01M4/131 , H01M4/525 , H01M10/0525 , H01M4/36 , H01M4/505 , H01M10/052 , H01M4/02
Abstract: A composite positive electrode active material, the positive electrode active material including: a first metal oxide having a layered structure; and a second metal oxide having a spinel structure, wherein second metal oxide is represented by Formula 1, and wherein the first metal oxide and the second metal oxide form a composite: Li2M1(1+a)Mn(3−a)O8 Formula 1 wherein, in Formula 1, −1
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公开(公告)号：US11362330B2
公开(公告)日：2022-06-14
申请号：US16589490
申请日：2019-10-01
Inventor： Donghee Yeon , Byoungwoo Kang , Junghwa Lee , Byungjin Choi , Sukgi Hong , Jinsu Ha
IPC: H01M4/505 , H01M10/0525 , H01M4/525 , H01M4/04 , H01M4/1391 , H01M4/36 , H01M4/02
Abstract: A composite positive active material represented by Formula 1, LiaNibCocMndMeO2 Formula 1 wherein, in Formula 1, M is zirconium (Zr), aluminum (Al), rhenium (Re), vanadium (V), chromium (Cr), iron (Fe), gallium (Ga), silicon (Si), boron (B), ruthenium (Ru), titanium (Ti), niobium (Nb), molybdenum (Mo), magnesium (Mg), or platinum (Pt), 1.1≤a≤1.3, b+c+d+e≤1, 0≤b≤0.3, 0≤c≤0.3, 0
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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
Applicant: Samsung Electronics Co., Ltd. , Samsung SDI Co., Ltd.
Inventor： Dongjin Ham , Jayhyok Song , Andrei Kapylou , Jinhwan Park , Youhwan Son , San Moon , Sungjin Ahn , Donghee Yeon , Jinsu Ha , Kwangjin Park , Byungjin Choi
IPC: H01M4/13 , H01M4/525 , H01M10/052 , H01M4/131 , H01M4/36 , H01M4/505 , H01M10/0525 , H01M4/02
Abstract: 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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