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11.发明授权公开(公告)号：US09799924B2
公开(公告)日：2017-10-24
申请号：US14499716
申请日：2014-09-29
Applicant: Samsung Electronics Co., Ltd.
Inventor： Yoonsok Kang , Insun Park , Junyoung Mun , Minsik Park , Jinhwan Park , Byungjin Choi
IPC: H01M10/0567 , H01M4/505 , H01M4/525 , H01M4/587 , H01M10/0525 , H01M10/0568 , H01M10/0569
CPC classification number: H01M10/0567 , H01M4/505 , H01M4/525 , H01M4/587 , H01M10/0525 , H01M10/0568 , H01M10/0569 , H01M2300/0037
Abstract: An electrolyte for a lithium secondary battery including a lithium salt, a non-aqueous organic solvent, and a pyrrolidine derivative represented by Formula 1, wherein, in Formula 1, X is hydrogen, a formyl group or a salt thereof, a carboxyl group or a salt thereof, a C1-C20 alkyl group, a C1-C20 hydroxyalkyl group, a C1-C20 aminoalkyl group, a C1-C20 thioalkyl group, or a C1-C20 cyanoalkyl group, and R1 to R4 are each independently hydrogen, deuterium, a halogen atom, a hydroxyl group, a thio group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a formyl group or a salt thereof, a carboxyl group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid or a salt thereof, a C1-C20 hydroxyalkyl group, a C2-C20 heteroaryl group, or a C6-C20 aryl group.
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公开(公告)号：US09742005B2
公开(公告)日：2017-08-22
申请号：US14806903
申请日：2015-07-23
Inventor： Byungjin Choi , Donghan Kim , Ryounghee Kim , Jinhwan Park
CPC classification number: H01M4/364 , C01G45/1228 , C01G45/125 , C01G45/1264 , C01G53/50 , C01P2002/34 , C01P2002/72 , C01P2004/82 , C01P2006/40 , H01M4/485 , H01M4/505 , H01M4/525 , H01M10/052 , H01M2004/028
Abstract: A composite cathode active material including: a first metal oxide having a layered crystal structure; and a second metal oxide having a perovskite crystal structure, wherein the second metal oxide includes a first metal and a second metal that are each 12-fold cubooctahedrally coordinated to oxygen. Also a cathode including the composite cathode material and a lithium battery containing the cathode.
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13.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：US20160190557A1
公开(公告)日：2016-06-30
申请号：US14816146
申请日：2015-08-03
Inventor： Ryounghee Kim , Byungjin Choi , Donghan Kim , Jinhwan Park
CPC classification number: H01M4/366 , H01M4/485 , H01M4/505 , H01M4/525 , H01M10/052 , H01M10/0525 , H01M2004/021 , H01M2004/028
Abstract: A cathode active material including a layered lithium metal composite oxide including a first lithium metal oxide and a second lithium metal oxide having different crystal structures, and a third lithium metal oxide which is incapable of intercalating and deintercalating lithium in a charge and discharge voltage range of about 2.0 volts to about 4.7 volts versus lithium Li/Li+. Also, a cathode and a lithium battery including the cathode active material, and a method of preparing the cathode active material.
Abstract translation: 包括具有不同结晶结构的第一锂金属氧化物和第二锂金属氧化物的层状锂金属复合氧化物的正极活性物质和不能在充放电电压范围内插入和脱嵌锂的第三锂金属氧化物 对于Li / Li +相对于约2.0伏至约4.7伏。 另外，包括正极活性物质的阴极和锂电池，以及制备正极活性物质的方法。
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公开(公告)号：US11799078B2
公开(公告)日：2023-10-24
申请号：US15860901
申请日：2018-01-03
Applicant: Samsung Electronics Co., Ltd. , Samsung SDI Co., Ltd.
Inventor： Kwangjin Park , Dongsu Ko , Kyoungmin Min , Changhoon Jung , Byungjin Choi
IPC: H01M4/525 , H01M4/505 , H01M10/052 , H01M4/1391 , H01M4/36 , H01M4/04 , H01M4/485 , H01M4/02 , H01M10/0525
CPC classification number: H01M4/525 , H01M4/0471 , H01M4/1391 , H01M4/366 , H01M4/485 , H01M4/505 , H01M10/052 , C01P2002/32 , C01P2002/72 , C01P2004/04 , H01M10/0525 , H01M2004/028
Abstract: A composite cathode active material and a cathode and a lithium battery including the composite cathode active material. The composite cathode active material has a core including a plurality of primary particles including a nickel-containing first lithium transition metal oxide having a layered crystal structure; a grain boundary disposed between adjacent primary particles of the plurality of primary particles; and a shell on the core, the shell including a second lithium transition metal oxide having a spinel crystal structure, wherein the grain boundary includes a first composition having a spinel crystal structure.
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公开(公告)号：US11764352B2
公开(公告)日：2023-09-19
申请号：US17078269
申请日：2020-10-23
Applicant: Samsung Electronics Co., Ltd. , Samsung SDI Co., Ltd.
Inventor： Donghan Kim , Ryounghee Kim , Jinhwan Park , Jayhyok Song , Byongyong Yu , Byungjin Choi
IPC: H01M4/36 , H01M10/0525 , H01M4/131 , H01M4/525 , H01M4/485 , H01M4/505 , H01M4/62 , H01M10/052
CPC classification number: H01M4/364 , H01M4/131 , H01M4/366 , H01M4/485 , H01M4/505 , H01M4/525 , H01M4/625 , H01M10/052 , H01M10/0525
Abstract: A composite positive electrode active material includes: a first metal oxide that has a layered structure and is represented by Formula 1; and a second metal oxide that has a spinel structure and is represented by Formula 2, wherein the composite positive electrode active material includes a composite of the first metal oxide and the second metal oxide:
LiMO2 Formula 1
LiMe2O4 Formula 2
wherein, in Formulas 1 and 2, M and Me are each independently at least one element selected from Groups 2 to 14 of the periodic table, and a molar ratio of Li/(M+Me) in the composite is less than 1.-
Patent Agency Ranking
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：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：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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公开(公告)号：US10290861B2
公开(公告)日：2019-05-14
申请号：US15161759
申请日：2016-05-23
Applicant: Samsung Electronics Co., Ltd. , Samsung SDI Co., Ltd.
Inventor： Byungjin Choi , Andrei Kapylou , Donghan Kim , Jinhwan Park , Jayhyok Song , Sungjin Ahn , Donghee Yeon , Byongyong Yu
Abstract: 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
Applicant: Samsung Electronics Co., Ltd. , Samsung SDI Co., Ltd.
Inventor： Byungjin Choi , Andrei KAPYLOU , Donghan Kim , Jinhwan Park , Jayhyok Song , Sungjin Ahn , Donghee Yeon , Byongyong Yu
CPC classification number: 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
Abstract: 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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