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公开(公告)号：US20240413322A1
公开(公告)日：2024-12-12
申请号：US18653673
申请日：2024-05-02
Applicant: SAMSUNG SDI CO., LTD.
Inventor： Seonju CHOI , Kyoungsoo KIM , Yunhee KIM , Dohyung PARK
IPC: H01M4/525 , H01M4/02 , H01M10/0525 , H01M10/0567 , H01M10/0569
Abstract: A rechargeable lithium battery including a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte is provided. The positive electrode includes a first positive electrode active material including lithium nickel-based composite oxide in the form of secondary particles as a plurality of primary particles agglomerated. The positive electrode includes a second positive electrode active material including lithium nickel-based composite oxide in the form of single particles. The non-aqueous electrolyte includes an organic solvent, a lithium salt, and an additive, and the additive includes a bicyclic sulfate compound.
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公开(公告)号：US20210135217A1
公开(公告)日：2021-05-06
申请号：US17144381
申请日：2021-01-08
Applicant: SAMSUNG SDI CO., LTD.
Inventor： Junseok PARK , Seonyoung KWON , Jihyun KIM , Jinhwa KIM , Dohyung PARK , Daehoe LEE
IPC: H01M4/525 , H01M10/052 , H01M4/04 , H01M10/0525 , H01M4/52
Abstract: 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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公开(公告)号：US20170125809A1
公开(公告)日：2017-05-04
申请号：US15337541
申请日：2016-10-28
Applicant: SAMSUNG SDI CO., LTD.
Inventor： Sanghoon KIM , Kwanghwan CHO , Eunsung LEE , Dohyung PARK , ILseok KIM , Sol CHOI
IPC: H01M4/525 , C01G53/00 , H01M2/02 , H01M10/0525 , H01M4/131
CPC classification number: H01M4/525 , C01G53/00 , C01G53/006 , C01G53/42 , C01G53/50 , C01P2002/60 , C01P2002/70 , C01P2002/72 , C01P2002/74 , C01P2004/62 , C01P2004/64 , C01P2006/40 , H01M2/022 , H01M4/131 , H01M10/0525
Abstract: A composite positive active material includes a lithium nickel cobalt aluminum composite oxide. A full width at half maximum (FWHM) of a peak of a (104) plane of the lithium nickel cobalt aluminum composite oxide is 0.15 or less and an FWHM of a peak of a (108) plane of the lithium nickel cobalt aluminum composite oxide is 0.15 or less, the peaks being obtained by X-ray diffraction analysis using a CuKα X-ray. A method of preparing the composite positive active material, and a lithium secondary battery including a positive electrode including the composite positive active material are disclosed.
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公开(公告)号：US20190074546A1
公开(公告)日：2019-03-07
申请号：US16113254
申请日：2018-08-27
Applicant: SAMSUNG SDI CO., LTD.
Inventor： Yunhee KIM , Kyoung Soo KIM , Taejeong KIM , Dohyung PARK , Yongchan YOU , Erang CHO , Sun-Joo CHOI
IPC: H01M10/0567 , H01M10/0525 , H01M4/525 , H01M4/505
Abstract: A rechargeable lithium battery including a negative electrode; a positive electrode including a positive active material; and a non-aqueous electrolyte, wherein the non-aqueous electrolyte includes a non-aqueous organic solvent, a lithium salt, a first additive including a compound represented by one of Chemical Formulae 1 to 4 and a second additive including a compound represented by Chemical Formula 5 or Chemical Formula 6, or a combination thereof, the positive active material includes a compound that includes about 70 mol % or greater of Ni based on the total mole number of all metal elements except for Li,
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公开(公告)号：US20190181445A1
公开(公告)日：2019-06-13
申请号：US16327244
申请日：2017-09-04
Applicant: Samsung SDI Co., Ltd.
Inventor： Daehoe LEE , Dongjin KIM , Minhan KIM , Ilseok KIM , Dohyung PARK , Junseok PARK , Okgyu LIM , Gyuran JEON , Jeonjin CHOI
IPC: H01M4/525 , C01G53/00 , H01M10/0525
Abstract: The present disclosure relates to a cathode active material for a lithium secondary battery, a method for preparing same, and a lithium secondary battery comprising same, the cathode active material comprising a lithium-nickel compound oxide, wherein a c-axis lattice parameter of a unit lattice of the lithium-nickel compound oxide satisfies Formula 1: 14.1720 ÅA≤c≤14.1750 ÅA [Formula 1]
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Patent Agency Ranking
公开(公告)号：US20180123130A1
公开(公告)日：2018-05-03
申请号：US15795550
申请日：2017-10-27
Applicant: SAMSUNG SDI CO., LTD.
Inventor： Dongjin KIM , Minhan KIM , Dohyung PARK , Young Jin PARK , Kyounghyun KIM , Ilseok KIM
CPC classification number: H01M4/525 , C01G53/50 , C01P2002/50 , C01P2004/03 , C01P2006/40 , H01M4/0471 , H01M4/131 , H01M4/1391 , H01M4/366 , H01M4/483 , H01M4/505 , H01M10/0525
Abstract: A positive active material for a rechargeable lithium battery includes a lithium nickel-based metal oxide represented by LixNi1-yMyO2 and a lithium-containing oxide on a surface of the lithium nickel-based metal oxide. In the formula LixNi1-yMyO2, M is one or more of Co, Mn, Al, Mg, Ti, Zr, or a combination thereof, 0
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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
Applicant: SAMSUNG SDI CO., LTD.
Inventor： Junseok PARK , Seonyoung KWON , Jihyun KIM , Jinhwa KIM , Dohyung PARK , Daehoe LEE
IPC: H01M4/525 , H01M10/052 , H01M4/04
CPC classification number: H01M4/525 , H01M4/0497 , H01M4/52 , H01M10/052 , H01M10/0525 , H01M2004/028
Abstract: 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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公开(公告)号：US20170133672A1
公开(公告)日：2017-05-11
申请号：US15342671
申请日：2016-11-03
Applicant: SAMSUNG SDI CO., LTD.
Inventor： Yumi SONG , Mingzi HONG , Gyuran JEON , Dohyung PARK , Minhan KIM , Joongho MOON
CPC classification number: H01M4/366 , C01G53/006 , C01G53/50 , H01M4/0471 , H01M4/131 , H01M4/505 , H01M4/525 , H01M4/628 , H01M10/0525 , H01M10/4235 , H01M2004/021 , H01M2004/028 , H01M2220/20
Abstract: A positive electrode active material includes a lithium composite oxide and a zirconium oxide coating layer and a lithium zirconium oxide coating layer that are in a form of sequential layers on the lithium composite oxide.
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9.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
Applicant: SAMSUNG SDI CO., LTD.
Inventor： Jihyun KIM , Seonyoung KWON , Junseok PARK , Dohyung PARK
IPC: H01M4/485 , C01G51/00 , H01M4/131 , H01M10/0525 , H01M4/04
CPC classification number: C01G51/42 , C01P2004/02 , C01P2004/03 , C01P2004/51 , C01P2004/61 , C01P2006/40 , H01M4/131 , H01M4/525 , H01M10/0525
Abstract: 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.
Abstract translation: 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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10.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
Applicant: SAMSUNG SDI CO., LTD.
Inventor： Haneol PARK , Seonyoung KWON , Minhan KIM , Jihyun KIM , Joong-Ho MOON , Kyounghyun KIM , Dohyung PARK , Jongseo CHOI
IPC: H01M4/36 , H01M10/0525 , H01M4/58 , H01M4/525 , H01M4/505
CPC classification number: 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
Abstract: 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
Abstract translation: 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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