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公开(公告)号：US20190190019A1
公开(公告)日：2019-06-20
申请号：US16326894
申请日：2017-08-22
发明人： Jaeho LEE , Seonyoung KWON , Kihyun KIM , Yumi SONG , Kwanghwan CHO
IPC分类号： H01M4/36 , H01M10/0525 , H01M4/505 , H01M4/525 , H01M4/62
摘要： Provided are a composite cathode active material for a lithium ion battery including a nickel-rich lithium nickel-based compound having a nickel content of 50 to 100 mol % based on a total content of transition metals; and a coating film including a rare earth metal hydroxide and disposed on the surface of the nickel-rich lithium nickel-based compound, a manufacturing method therefor, and a lithium ion battery including a cathode including the composite cathode active material.
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2.发明公开公开(公告)号：US20240213470A1
公开(公告)日：2024-06-27
申请号：US18473966
申请日：2023-09-25
发明人： Seonyoung KWON , Eunok OH , Jungwoo SON , Yuntaek OH , Minkyeong KANG , Taehee KWAK
IPC分类号： H01M4/525 , H01M4/36 , H01M4/505 , H01M10/0525
CPC分类号： H01M4/525 , H01M4/364 , H01M4/505 , H01M10/0525 , H01M2004/021
摘要： A positive electrode for a rechargeable lithium battery includes a current collector and a positive electrode active material layer on the current collector, the positive electrode active material layer including a positive electrode active material, the positive electrode active material includes about 75 wt % to about 100 wt % of a first positive electrode active material in a form of single particles and including a lithium nickel-based composite oxide having a nickel content of greater than or equal to about 70 mol %, and about 0 wt % to about 25 wt % of a second positive electrode active material in a form of secondary particles in which a plurality of primary particles are aggregated and including a lithium nickel-based composite oxide, and, in an X-ray diffraction analysis of the positive electrode, a ratio of a peak intensity of a (003) plane to a (104) plane is greater than or equal to about 4.8.
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公开(公告)号：US20230317939A1
公开(公告)日：2023-10-05
申请号：US18003881
申请日：2021-07-12
发明人： Kiyong AHN , Do-Wook JUN , Youngsun KONG , Seonyoung KWON , Minkyu KIM , Min Ju KIM , Dookyun LEE , Kijoo HONG
IPC分类号： H01M4/525 , H01M10/052 , H01M4/131 , H01M4/505 , C01G53/00
CPC分类号： H01M4/525 , H01M10/052 , H01M4/131 , H01M4/505 , C01G53/42 , H01M2004/021
摘要： According to an embodiment, provided is a cathode active material for a lithium secondary battery, the cathode active material including a nickel-based composite metal oxide including a secondary particle in which a plurality of primary particles are agglomerated, wherein the secondary particle includes a central portion and a surface portion, the surface portion includes a nickel-based composite metal oxide doped with manganese, and an amount of manganese present in the grain boundaries of the plurality of primary particles present in the surface portion is greater than an amount of manganese present inside the primary particles.
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公开(公告)号：US20220384801A1
公开(公告)日：2022-12-01
申请号：US17655961
申请日：2022-03-22
发明人： Youngsun KONG , Kiyong AHN , Seonyoung KWON , Min Ju KIM , Dookyun LEE , Dowook JUN , Kijoo HONG
IPC分类号： H01M4/525 , H01M4/505 , H01M4/36 , H01M4/04 , H01M10/0525
摘要： A positive active material includes a nickel-based composite metal oxide having the form of secondary particles in which a plurality of primary particles are agglomerated, where each secondary particle includes a core and a shell, the primary particles of the shell are coated with a manganese-containing nickel-based composite metal oxide, and the manganese-containing nickel-based composite metal oxide has a layered structure.
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5.发明申请公开(公告)号：US20180151865A1
公开(公告)日：2018-05-31
申请号：US15824829
申请日：2017-11-28
发明人： Yumi SONG , Seonyoung KWON , Kihyun KIM , Soohyeon KIM , Jinhwa KIM , Joongho MOON , Jaeho LEE , Kwanghwan CHO , Soonbong CHOI , Mingzi HONG
IPC分类号： H01M4/131 , H01M4/133 , H01M4/66 , H01M10/0525
CPC分类号： H01M4/131 , C01B32/22 , H01M4/133 , H01M4/366 , H01M4/485 , H01M4/505 , H01M4/525 , H01M4/665 , H01M10/052 , H01M10/0525 , H01M2004/028 , Y02T10/7011
摘要： A composite cathode active material, a cathode including the composite cathode active material, and a lithium battery including the cathode are provided. The composite cathode active material includes a core including a lithium metal oxide and a coating layer on the core, wherein the lithium metal oxide includes two or more transition metals including nickel (Ni), an amount of Ni within one mole of the two or more transition metals included in the lithium metal oxide is about 0.65 mol or greater, the coating layer includes LiF, and a resistance of the composite cathode active material is lower than that of the core.
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公开(公告)号：US20230317923A1
公开(公告)日：2023-10-05
申请号：US18329199
申请日：2023-06-05
发明人： Kiyong AHN , Taehee KWAK , Jeuk HA , Seonyoung KWON , Yumi SONG , Eunok OH , Soonrewl LEE , Naoyuki HASE
IPC分类号： H01M4/36 , C01G53/00 , H01M4/525 , H01M10/0525
CPC分类号： H01M4/364 , C01G53/42 , H01M4/525 , H01M10/0525 , C01P2002/52 , C01P2002/72 , C01P2002/74 , C01P2004/03 , C01P2004/50 , C01P2004/53 , C01P2004/61 , C01P2006/10 , C01P2006/40 , H01M2004/021
摘要： A positive electrode for a rechargeable lithium battery includes a positive active material including small particle diameter monolith particles having a particle diameter of about 1 μm to about 8 μm and including a first nickel-based lithium metal oxide, and large particle diameter secondary particles having a particle diameter of about 10 μm to about 20 μm and including a second nickel-based lithium metal oxide. An X-ray diffraction peak intensity ratio (I(003)/I(104)) of the positive electrode is greater than or equal to about 3. A rechargeable lithium battery includes the positive electrode.
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公开(公告)号：US20180076454A1
公开(公告)日：2018-03-15
申请号：US15702048
申请日：2017-09-12
发明人： Junseok PARK , Seonyoung KWON , Jihyun KIM , Jinhwa KIM , Dohyung PARK , Daehoe LEE
IPC分类号： H01M4/525 , H01M10/052 , H01M4/04
CPC分类号： H01M4/525 , H01M4/0497 , H01M4/52 , H01M10/052 , H01M10/0525 , H01M2004/028
摘要： A cobalt oxide for a lithium secondary battery, a method of preparing the cobalt oxide; a lithium cobalt oxide for a lithium secondary battery formed from the cobalt oxide; and a lithium secondary battery having a positive electrode including the lithium cobalt oxide, the cobalt oxide having a tap density of about 2.8 g/cc to about 3.0 g/cc, and an intensity ratio of about 0.8 to about 1.2 of a second peak at 2θ of about 31.3±1° to a first peak at 2θ of about 19±1° in X-ray diffraction spectra, as analyzed by X-ray diffraction.
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8.发明申请COBALT OXIDE COMPOSITION FOR LITHIUM SECONDARY BATTERY, LITHIUM COBALT OXIDE COMPOSITION FOR LITHIUM SECONDARY BATTERY FORMED FROM THE COBALT OXIDE COMPOSITION, METHOD OF MANUFACTURING THE COBALT OXIDE COMPOSITION, AND LITHIUM SECONDARY BATTERY INCLUDING POSITIVE ELECTRODE INCLUDING THE LITHIUM COBALT OXIDE COMPOSITION 审中-公开用于锂二次电池的氧化钴组合物，用于由氧化钴组合物形成的锂二次电池的锂钴氧化物组合物，制备氧化钴组合物的方法，以及包括包含硫酸镍氧化物组成的正电极的锂二次电池公开(公告)号：US20160322633A1
公开(公告)日：2016-11-03
申请号：US15139814
申请日：2016-04-27
发明人： Jihyun KIM , Seonyoung KWON , Junseok PARK , Dohyung PARK
IPC分类号： H01M4/485 , C01G51/00 , H01M4/131 , H01M10/0525 , H01M4/04
CPC分类号： C01G51/42 , C01P2004/02 , C01P2004/03 , C01P2004/51 , C01P2004/61 , C01P2006/40 , H01M4/131 , H01M4/525 , H01M10/0525
摘要： A cobalt oxide for a lithium secondary battery, a lithium cobalt oxide, an associated method, and a lithium secondary battery, wherein the cobalt oxide composition includes particles having a particle strength of about 25 MPa to about 50 MPa, has a particle diameter D10 of about 14 μm to about 18 μm, and has a particle diameter difference between a particle diameter D90 and the particle diameter D10 of less than about 15 μm.
摘要翻译： 锂二次电池用氧化钴，锂钴氧化物，相关方法和锂二次电池，其中所述氧化钴组合物包含粒子强度为约25MPa〜约50MPa的粒子，其粒径D10为 约14μm至约18μm，并且具有小于约15μm的粒径D90与粒径D10之间的粒径差。
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9.发明申请COMPOSITE POSITIVE ELECTRODE ACTIVE MATERIAL AND POSITIVE ELECTRODE AND LITHIUM BATTERY COMPRISING THE COMPOSITE POSITIVE ELECTRODE ACTIVE MATERIAL 审中-公开复合阳极电极活性材料和阳极电极和锂电池，包括复合阳极电极活性材料公开(公告)号：US20160064730A1
公开(公告)日：2016-03-03
申请号：US14688277
申请日：2015-04-16
发明人： Haneol PARK , Seonyoung KWON , Minhan KIM , Jihyun KIM , Joong-Ho MOON , Kyounghyun KIM , Dohyung PARK , Jongseo CHOI
IPC分类号： H01M4/36 , H01M10/0525 , H01M4/58 , H01M4/525 , H01M4/505
CPC分类号： H01M4/366 , C01B25/45 , C01G31/006 , C01G53/50 , C01P2004/03 , C01P2004/53 , C01P2004/61 , C01P2004/62 , C01P2006/40 , H01M4/505 , H01M4/525 , H01M4/5825 , H01M10/0525
摘要： A composite positive electrode active material includes a lithium transition metal oxide represented by at least one of LiNixCoyMnzO2 (Formula 1) and aLi2MnO3.(1−a)LiMO2 (Formula 2). In Formula 1, and a vanadium-based compound including a polyanion. In Formula 1, 0
摘要翻译： 复合正极活性物质包括由LiNixCoyMnzO2（式1）和LiMnO3中的至少一种表示的锂过渡金属氧化物（1-a）LiMO 2（式2）。 在式1中，和含有聚阴离子的钒基化合物。 在式1中，0
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10.发明公开公开(公告)号：US20240101443A1
公开(公告)日：2024-03-28
申请号：US18003886
申请日：2021-07-12
发明人： Kiyong AHN , Do-Wook JUN , Youngsun KONG , Seonyoung KWON , Min Ju KIM , Dookyun LEE , Kijoo HONG
IPC分类号： C01G53/00
CPC分类号： C01G53/006 , C01P2004/03 , C01P2004/10 , C01P2004/84 , C01P2006/40
摘要： Provided is a positive electrode active material precursor for a rechargeable lithium battery including a nickel-based composite metal hydroxide including a secondary particle in which a plurality of primary particles are agglomerated, wherein the secondary particle includes a central portion and a surface portion, and the surface portion includes a primary particle coated with manganese oxide, manganese hydroxide, or a mixture thereof.
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