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公开(公告)号：US20210167379A1
公开(公告)日：2021-06-03
申请号：US17091525
申请日：2020-11-06
Applicant: SAMSUNG SDI CO., LTD.
Inventor： Jinwha Kim , Minhan Kim , Donggyu Chang , Jihyun Seog , Yuntaek Oh , Jungwoo Son
IPC: H01M4/525 , H01M10/0525 , C01G53/00
Abstract: The application relates to a positive active material precursor including a transition metal composite oxide precursor. The transition metal composite oxide precursor exhibits a peak full width at half maximum of a (200) plane (2θ=about 42° to about 44°) in X-ray diffraction analysis in a range of about 0.3° to about 0.5°. The application also relates to a positive active material using the precursor, a method of preparing the same, and a positive electrode and a rechargeable lithium battery including the same.
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公开(公告)号：US10826064B2
公开(公告)日：2020-11-03
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
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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公开(公告)号：US10665861B2
公开(公告)日：2020-05-26
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
IPC: H01M4/525 , H01M4/04 , H01M4/1391 , C01G53/00 , H01M4/131 , H01M4/36 , H01M4/48 , 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：US12300807B2
公开(公告)日：2025-05-13
申请号：US17657316
申请日：2022-03-30
Applicant: Samsung SDI Co., Ltd.
Inventor： Jungsue Jang , Donghyun Kil , Minhan Kim , Jinyoung Kim , Jinhwa Kim , Jihyun Seog , Jaeha Shim , Kiyong Ahn , Donggyu Chang , Youngjoo Chae , Aram Choi , Jeuk Ha
Abstract: Disclosed are a positive active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery including the same. The positive active material includes a first positive active material in a form of secondary particles including a plurality of primary particles that are aggregated together, and a second positive active material having a single crystal form, wherein both of the first positive active material and the second positive active material are nickel-based positive active materials, each of the first positive active material and the second positive active material is coated with cobalt, and a maximum roughness of a surface of the second positive active material is greater than or equal to about 15 nm.
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公开(公告)号：US11955632B2
公开(公告)日：2024-04-09
申请号：US17091525
申请日：2020-11-06
Applicant: SAMSUNG SDI CO., LTD.
Inventor： Jinhwa Kim , Minhan Kim , Donggyu Chang , Jihyun Seog , Yuntaek Oh , Jungwoo Son
IPC: H01M4/525 , C01G53/00 , H01M4/02 , H01M10/0525
CPC classification number: H01M4/525 , C01G53/42 , H01M10/0525 , C01P2002/72 , C01P2002/78 , C01P2002/85 , C01P2004/03 , C01P2004/50 , C01P2006/12 , C01P2006/40 , H01M2004/021 , H01M2004/028
Abstract: The application relates to a positive active material precursor including a transition metal composite oxide precursor. The transition metal composite oxide precursor exhibits a peak full width at half maximum of a (200) plane (2θ=about 42° to about 44°) in X-ray diffraction analysis in a range of about 0.3° to about 0.5°. The application also relates to a positive active material using the precursor, a method of preparing the same, and a positive electrode and a rechargeable lithium battery including the same.
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Patent Agency Ranking
公开(公告)号：US10128499B2
公开(公告)日：2018-11-13
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
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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7.发明申请公开(公告)号：US20160211518A1
公开(公告)日：2016-07-21
申请号：US15002057
申请日：2016-01-20
Applicant: SAMSUNG SDI CO., LTD.
Inventor： Jeonjin Choi , Minhan Kim , Joong-Ho Moon , Haneol Park , Kyounghyun Kim , Dohyung Park , Dongjin Kim , Gyuran Jeon , Sun-Ho Kang
IPC: H01M4/505 , H01M4/36 , H01M4/525 , H01M10/052
CPC classification number: H01M4/505 , C01G53/50 , C01P2002/72 , C01P2004/54 , C01P2006/40 , H01M4/0404 , H01M4/0409 , H01M4/366 , H01M4/525 , H01M10/052
Abstract: A positive active material represented by Formula 1 and a lithium secondary battery having a positive electrode that includes the positive active material are provided: Li1-aAaNixCoyMn1-x-yO2 Formula 1 wherein, in Formula 1, A is an alkali metal; 0.0025≦a≦0.02; 0.0
Abstract translation: 提供由式1表示的正极活性物质和具有包含正极活性物质的正极的锂二次电池：Li1-aAaNixCoyMn1-x-yO2式1其中，在式1中，A为碱金属; 0.0025＆nlE; a＆nlE; 0.02; 0.0
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8.发明申请LITHIUM COBALT COMPOSITE OXIDE FOR LITHIUM SECONDARY BATTERY, PREPARATION METHOD THEREOF, AND LITHIUM SECONDARY BATTERY INCLUDING POSITIVE ELECTRODE INCLUDING LITHIUM COBALT COMPOSITE OXIDE 审中-公开用于锂二次电池的锂钴复合氧化物，其制备方法，以及包括锂钴复合氧化物的正电极的锂二次电池公开(公告)号：US20150372301A1
公开(公告)日：2015-12-24
申请号：US14701328
申请日：2015-04-30
Applicant: Samsung SDI Co., Ltd
Inventor： Jihyun Kim , Dohyung Park , Seonyoung Kwon , Juhyeong Han , Jinhwa Kim , Minhan Kim , Kyounghyun Kim
IPC: H01M4/525 , H01M10/052 , C01G51/04
CPC classification number: H01M4/525 , C01G51/42 , C01P2004/03 , C01P2004/51 , C01P2004/61 , C01P2004/62 , C01P2006/40 , H01M10/052 , H01M2004/028
Abstract: Provided is a lithium cobalt composite oxide for a lithium secondary battery represented by Formula 1 below and having a polycrystalline state, a method of preparing the same, a positive electrode for a lithium battery including the lithium cobalt composite oxide, and a lithium secondary battery including a positive electrode, which includes the lithium cobalt composite oxide. LiaCobOc Formula 1 In Formula 1, a is an integer from 0.9 to 1.1, b is an integer from 0.980 to 1.0000, and c is an integer from 1.9 to 2.1. Also included is a method of manufacture therefor.
Abstract translation: 本发明提供一种下述通式1所示的锂二次电池用锂钴复合氧化物，其具有多晶态，其制备方法，包含锂钴复合氧化物的锂电池用正极，以及锂二次电池，其包含 包括锂钴复合氧化物的正极。 通式1式1中，a为0.9〜1.1的整数，b为0.980〜1.0000的整数，c为1.9〜2.1的整数。 还包括其制造方法。
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9.发明申请公开(公告)号：US20190027739A1
公开(公告)日：2019-01-24
申请号：US16044399
申请日：2018-07-24
Applicant: Samsung SDI Co., Ltd.
Inventor： Minhan Kim , Dongjin Kim , Ilseok Kim , Dohyung Park , Junseok Park , Daehoe Lee , Okgyu Lim , Gyuran Jeon , Jeonjin Choi
IPC: H01M4/36 , H01M4/525 , H01M4/505 , H01M10/0525
Abstract: A positive active material for a rechargeable lithium battery includes a core including a compound represented by Chemical Formula 1 and a functional layer on a surface of the core. The functional layer has one kind of a crystal structure that is different from the crystal structure of the core. The positive active material includes about 100 ppm to about 400 ppm of sulfur: LiaNixCoyMezO2, Chemical Formula 1 wherein in Chemical Formula 1, 0.9≤a≤1.1, 0.5≤x≤0.93, 0
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公开(公告)号：US10090523B2
公开(公告)日：2018-10-02
申请号：US14701328
申请日：2015-04-30
Applicant: Samsung SDI Co., Ltd
Inventor： Jihyun Kim , Dohyung Park , Seonyoung Kwon , Juhyeong Han , Jinhwa Kim , Minhan Kim , Kyounghyun Kim
IPC: H01M4/525 , C01G51/00 , H01M10/052 , H01M4/02
Abstract: Provided is a lithium cobalt composite oxide for a lithium secondary battery represented by Formula 1 below and having a polycrystalline state, a method of preparing the same, a positive electrode for a lithium battery including the lithium cobalt composite oxide, and a lithium secondary battery including a positive electrode, which includes the lithium cobalt composite oxide. LiaCobOc Formula 1 In Formula 1, a is an integer from 0.9 to 1.1, b is an integer from 0.980 to 1.0000, and c is an integer from 1.9 to 2.1. Also included is a method of manufacture therefor.
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