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公开(公告)号：US20230282825A1
公开(公告)日：2023-09-07
申请号：US18316175
申请日：2023-05-11
Applicant: SAMSUNG SDI CO., LTD.
Inventor： Jongmin Kim , Jiyoon Kim , Pilsang Yun , Donggyu Chang , Kwanghwan Cho , Jangsuk Hyun , Jinhwa Kim
IPC: H01M4/525 , C01G53/00 , H01M4/485 , H01M10/052
CPC classification number: H01M4/525 , C01G53/50 , H01M4/485 , H01M10/052 , C01P2002/72 , C01P2002/85 , C01P2004/03 , C01P2004/50 , C01P2004/90 , C01P2006/12 , C01P2006/16 , C01P2006/40 , H01M2004/021
Abstract: A nickel-based active material for a lithium secondary battery, a method of preparing the nickel-based active material, and a lithium secondary battery including a positive electrode including the nickel-based active material, the nickel-based active material comprising a secondary particle having an outer portion with a radially arranged structure and an inner portion with an irregular porous structure, wherein the inner portion of the secondary particle has a larger pore size than the outer portion of the secondary particle.
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公开(公告)号：US11569503B2
公开(公告)日：2023-01-31
申请号：US15654623
申请日：2017-07-19
Applicant: Samsung SDI Co., Ltd.
Inventor： Jongmin Kim , Jiyoon Kim , Pilsang Yun , Donggyu Chang , Kwanghwan Cho , Jangsuk Hyun , Jinhwa Kim
IPC: H01M4/525 , C01G53/00 , H01M4/485 , H01M10/052 , H01M4/02
Abstract: A nickel-based active material for a lithium secondary battery, a method of preparing the nickel-based active material, and a lithium secondary battery including a positive electrode including the nickel-based active material, the nickel-based active material comprising a secondary particle having an outer portion with a radially arranged structure and an inner portion with an irregular porous structure, wherein the inner portion of the secondary particle has a larger pore size than the outer portion of the secondary particle.
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公开(公告)号：US11742482B2
公开(公告)日：2023-08-29
申请号：US17308940
申请日：2021-05-05
Applicant: SAMSUNG SDI CO., LTD.
Inventor： Jongmin Kim , Jiyoon Kim , Pilsang Yun , Donggyu Chang , Kwanghwan Cho , Jangsuk Hyun , Jinhwa Kim
CPC classification number: H01M4/525 , C01G53/006 , C01G53/42 , C01G53/50 , H01M4/485 , H01M4/505 , C01P2002/72 , C01P2002/85 , C01P2004/03 , C01P2004/50 , C01P2004/61 , C01P2004/84 , C01P2004/90 , C01P2006/12 , C01P2006/14 , C01P2006/16 , C01P2006/40 , H01M10/052 , H01M2004/021 , H01M2004/028
Abstract: Provided are a nickel-based active material, a method of preparing the same, and a lithium secondary battery including a positive electrode including the nickel-based active material. The nickel-based active material includes at least one secondary particle including an aggregate of two or more primary particles, wherein at least a portion of the secondary particle has a radial array structure, and a hetero-element compound is positioned between the primary particles.
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公开(公告)号：US11302919B2
公开(公告)日：2022-04-12
申请号：US15654648
申请日：2017-07-19
Applicant: Samsung SDI Co., Ltd.
Inventor： Jongmin Kim , Jiyoon Kim , Pilsang Yun , Donggyu Chang , Kwanghwan Cho , Jangsuk Hyun , Jinhwa Kim
Abstract: Provided are a nickel-based active material, a method of preparing the same, and a lithium secondary battery including a positive electrode including the nickel-based active material. The nickel-based active material includes at least one secondary particle including an aggregate of two or more primary particles, wherein at least a portion of the secondary particle has a radial array structure, and a hetero-element compound is positioned between the primary particles.
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公开(公告)号：US20230163298A1
公开(公告)日：2023-05-25
申请号：US18158274
申请日：2023-01-23
Applicant: SAMSUNG SDI CO., LTD.
Inventor： Jongmin Kim , Jiyoon Kim , Pilsang Yun , Donggyu Chang , Kwanghwan Cho , Jangsuk Hyun , Jinhwa Kim
IPC: H01M4/525 , C01G53/00 , H01M4/485 , H01M10/052
CPC classification number: H01M4/525 , C01G53/50 , H01M4/485 , H01M10/052 , C01P2002/72 , C01P2004/50 , C01P2006/12 , C01P2006/40 , C01P2006/16 , C01P2002/85 , C01P2004/03 , C01P2004/90 , H01M2004/021
Abstract: A nickel-based active material for a lithium secondary battery, a method of preparing the nickel-based active material, and a lithium secondary battery including a positive electrode including the nickel-based active material, the nickel-based active material comprising a secondary particle having an outer portion with a radially arranged structure and an inner portion with an irregular porous structure, wherein the inner portion of the secondary particle has a larger pore size than the outer portion of the secondary particle.
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Patent Agency Ranking
公开(公告)号：US11539037B2
公开(公告)日：2022-12-27
申请号：US17073124
申请日：2020-10-16
Applicant: Samsung SDI Co., Ltd.
Inventor： Jongmin Kim , Jiyoon Kim , Jinhwa Kim
IPC: H01M4/131 , H01M4/525 , H01M10/0525 , H01M4/04 , H01M4/505 , H01M4/1391 , H01M4/36 , H01M4/02
Abstract: A positive active material for a rechargeable lithium battery includes a first positive active material including a secondary particle including at least two agglomerated primary particles, where at least one part of the primary particles has a radial arrangement structure, as well as a second positive active material having a monolith structure. The first and second positive active materials may both include nickel-based positive active materials. A method of preparing the positive active material, and a rechargeable lithium battery including a positive electrode including the positive active material are also provided.
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公开(公告)号：US10707485B2
公开(公告)日：2020-07-07
申请号：US15654648
申请日：2017-07-19
Applicant: Samsung SDI Co., Ltd.
Inventor： Jongmin Kim , Jiyoon Kim , Pilsang Yun , Donggyu Chang , Kwanghwan Cho , Jangsuk Hyun , Jinhwa Kim
Abstract: Provided are a nickel-based active material, a method of preparing the same, and a lithium secondary battery including a positive electrode including the nickel-based active material. The nickel-based active material includes at least one secondary particle including an aggregate of two or more primary particles, wherein at least a portion of the secondary particle has a radial array structure, and a hetero-element compound is positioned between the primary particles.
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公开(公告)号：US11682755B2
公开(公告)日：2023-06-20
申请号：US17073124
申请日：2020-10-16
Applicant: Samsung SDI Co., Ltd.
Inventor： Jongmin Kim , Jiyoon Kim , Jinhwa Kim
IPC: H01M4/131 , H01M4/525 , H01M10/0525 , H01M4/04 , H01M4/505 , H01M4/1391 , H01M4/36 , H01M4/02
CPC classification number: H01M4/131 , H01M4/0471 , H01M4/1391 , H01M4/364 , H01M4/505 , H01M4/525 , H01M10/0525 , H01M2004/028
Abstract: A positive active material for a rechargeable lithium battery includes a first positive active material including a secondary particle including at least two agglomerated primary particles, where at least one part of the primary particles has a radial arrangement structure, as well as a second positive active material having a monolith structure. The first and second positive active materials may both include nickel-based positive active materials. A method of preparing the positive active material, and a rechargeable lithium battery including a positive electrode including the positive active material are also provided.
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公开(公告)号：US11201328B2
公开(公告)日：2021-12-14
申请号：US16463815
申请日：2017-12-04
Applicant: Samsung SDI Co., Ltd.
Inventor： Pilsang Yun , Jiyoon Kim , Wooyoung Yang , Donggyu Chang , Minah Cha
IPC: H01M4/525 , H01M4/36 , H01M4/505 , H01M10/0525 , H01M4/02
Abstract: Provided are a nickel-based active material precursor for a lithium secondary battery including a porous core and a porous shell, wherein a porosity of the porous shell may be greater than a porosity of the porous core, and a dense intermediate layer may be disposed between the porous core and the porous shell, wherein a porosity of the dense intermediate layer may be lower than the porosity of the porous core and the porosity of the porous shell; a method of preparing the same; a nickel-based active material for a lithium secondary battery formed therefrom; and a lithium secondary battery containing a positive electrode including the same.
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10.发明授权Cathode active material, method for preparing the same, and lithium secondary batteries including the same 有权阴极活性物质及其制备方法以及包含该二次电池的锂二次电池公开(公告)号：US09368791B2
公开(公告)日：2016-06-14
申请号：US14095764
申请日：2013-12-03
Applicant: Samsung SDI Co., Ltd.
Inventor： Jiyoon Kim , Kitae Kim , Dongwook Shin , Hyung Cheoul Shim , Hayeon Lee , SungNim Jo , Haein Cho
CPC classification number: H01M4/366 , H01M4/505 , H01M4/525 , H01M4/582 , H01M4/5825 , Y02E60/122
Abstract: The present invention relates to a cathode active material for a lithium secondary battery, a method for preparing the same, and a lithium secondary battery including the same, and provides a cathode active material including: a lithium manganese-excess layered structure composite oxide represented by Formula Li[Lix-z(NiaCobMnc)1-x]O2-yFy (here, a+b+c=1, 0.05≦x≦0.33, 0≦y≦0.08, and 0
Abstract translation: 本发明涉及一种锂二次电池用正极活性物质及其制造方法以及具备该锂二次电池的锂二次电池，其特征在于，提供一种正极活性物质，其包含：由 式Li [Lix-z（NiaCobMnc）1-x] O 2 -yFy（这里，a + b + c = 1,0.05＆amp; nlE; x＆nlE; 0.33,0和nlE; y＆nlE; 0.08和0
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