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1.发明公开公开(公告)号：US20240170666A1
公开(公告)日：2024-05-23
申请号：US18549572
申请日：2022-03-10
Applicant: Samsung SDI Co., Ltd.
Inventor： Sungnim Jo , Sangkook Mah , Inhyuk Son , Guesung Kim , Jongseok Moon , Andrei Kapylou
CPC classification number: H01M4/525 , H01M4/04 , H01M4/362 , H01M4/583 , H01M10/052 , H01M2004/028
Abstract: Provided are a composite cathode active material, a cathode and a lithium battery that include the same, and a method of preparing the composite cathode active material, the composite cathode active material comprising: a core; and a first shell and a second shell that are disposed on an outer side of a surface of the core, wherein the first shell includes at least one first metal compound represented by Formula XaOb (where 0
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公开(公告)号：US20230282807A1
公开(公告)日：2023-09-07
申请号：US18316830
申请日：2023-05-12
Applicant: Samsung Electronics Co., Ltd. , Samsung SDI Co., Ltd.
Inventor： Junghyun Choi , Inhyuk Son , Mijong Kim , Sangkook Mah , Jumyeung Lee , Minwoo Lim , Sungsoo Han
IPC: H01M4/36 , H01M4/38 , H01M4/587 , H01M10/0525
CPC classification number: H01M4/364 , H01M4/366 , H01M4/386 , H01M4/587 , H01M10/0525 , H01M2004/021
Abstract: A porous silicon-containing composite includes: a porous core including a porous silicon composite secondary particle; and a shell on at least one surface of the porous core, the shell including a first graphene, wherein the porous silicon composite secondary particle includes an aggregate of a first primary particle including silicon, a second primary particle including a structure and second graphene on at least one surface of the first primary particle and the second primary particle, and wherein at least one of a shape and a degree of oxidation of the first primary particle and the second primary particle are different. Also an electrode including the porous silicon-containing composite, a lithium battery including the electrode, and a device including the porous silicon-containing composite or the carbon composite.
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公开(公告)号：US10658654B2
公开(公告)日：2020-05-19
申请号：US15149542
申请日：2016-05-09
Applicant: Samsung Electronics Co., Ltd. , Samsung SDI Co., Ltd.
Inventor： Dukhyoung Yoon , Sangkook Mah
IPC: H01M4/64 , H01M4/134 , H01M4/38 , H01M4/62 , H01M4/1395 , H01M4/485 , H01M4/133 , H01M4/131 , H01M4/36 , H01M4/58 , H01M4/587 , H01M4/1393 , H01M4/1391
Abstract: A composite anode active material includes: a core comprising silicon; and a carbonaceous shell, wherein the carbonaceous shell includes a carbonaceous material and lithium titanium oxide.
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公开(公告)号：US12199271B2
公开(公告)日：2025-01-14
申请号：US18316830
申请日：2023-05-12
Applicant: Samsung Electronics Co., Ltd. , Samsung SDI Co., Ltd.
Inventor： Junghyun Choi , Inhyuk Son , Mijong Kim , Sangkook Mah , Jumyeung Lee , Minwoo Lim , Sungsoo Han
IPC: H01M4/36 , H01M4/38 , H01M4/587 , H01M10/0525 , H01M4/02
Abstract: A porous silicon-containing composite includes: a porous core including a porous silicon composite secondary particle; and a shell on at least one surface of the porous core, the shell including a first graphene, wherein the porous silicon composite secondary particle includes an aggregate of a first primary particle including silicon, a second primary particle including a structure and second graphene on at least one surface of the first primary particle and the second primary particle, and wherein at least one of a shape and a degree of oxidation of the first primary particle and the second primary particle are different. Also an electrode including the porous silicon-containing composite, a lithium battery including the electrode, and a device including the porous silicon-containing composite or the carbon composite.
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公开(公告)号：US20240222616A1
公开(公告)日：2024-07-04
申请号：US18477451
申请日：2023-09-28
Applicant: Samsung SDI Co., Ltd.
Inventor： Sungnim Jo , Inhyuk Son , Sangkook Mah , Kyueun Shim , Andrei Kapylou , Taehyun Park , Jinhyon Lee
IPC: H01M4/505 , H01M4/525 , H01M4/62 , H01M10/052 , H01M50/105
CPC classification number: H01M4/505 , H01M4/525 , H01M4/623 , H01M4/625 , H01M10/052 , H01M50/105 , H01M2004/021
Abstract: A dry electrode film, and a dry electrode and a lithium battery each including the dry electrode film are provided. The dry electrode film includes a dry electrode active material and a dry binder, wherein the dry electrode active material includes a core and a shell on a surface of the core, the shell includes at least one first metal oxide and a first carbonaceous material, the first metal oxide is located in a first carbonaceous material matrix, and the first metal oxide is represented by formula MaOb (where 0
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Patent Agency Ranking
公开(公告)号：US20240213455A1
公开(公告)日：2024-06-27
申请号：US18477186
申请日：2023-09-28
Applicant: Samsung SDI Co., Ltd.
Inventor： Sungnim Jo , Inhyuk Son , Sangkook Mah , Kyueun Shim
CPC classification number: H01M4/366 , H01M4/131 , H01M4/133 , H01M4/364 , H01M4/483 , H01M4/525 , H01M4/583 , H01M4/661 , H01M4/667 , H01M2004/028
Abstract: A composite cathode active material may include a 1st core including a first lithium transition metal oxide, a 2nd core including a second lithium transition metal oxide, and a shell conforming to a surface of at least one of the 1st core or the 2nd core, wherein the shell may include first metal oxide, a first carbon-based material, and a second carbon-based material, the first metal oxide may be provided within a matrix of the first carbon-based material, the first metal oxide may be represented by MaOb, wherein 0
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公开(公告)号：US20230170479A1
公开(公告)日：2023-06-01
申请号：US17993610
申请日：2022-11-23
Applicant: Samsung SDI Co., Ltd.
Inventor： Inhyuk Son , Guesung Kim , Sangkook Mah , Kyueun Shim , Andrei Kapylou , Sungnim Jo , Jinhwan Park , Jongseok Moon
CPC classification number: H01M4/525 , H01M4/505 , H01M4/366 , H01M4/625 , H01M2004/021
Abstract: A composite cathode active material, a cathode and a lithium battery including the composite cathode active material, and a preparation method of the composite cathode active material are provided. The composite cathode active material includes a first core including a first lithium transition metal oxide; a second core including a second lithium transition metal oxide; and a shell along a surface of at least one of the first core or the second core, wherein the shell includes a first metal oxide represented by Formula MaOb and a carbonaceous material, wherein the first metal oxide is within a carbonaceous metal matrix, the first lithium transition metal oxide and the second lithium transition metal oxide have a different particle size from each other, and the second lithium transition metal oxide includes a primary particle having a particle size of about 1 μm or more.
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公开(公告)号：US20240322128A1
公开(公告)日：2024-09-26
申请号：US18477428
申请日：2023-09-28
Applicant: Samsung SDI Co., Ltd.
Inventor： Inhyuk Son , Andrei Kapylou , Sangkook Mah , Sungnim Jo , Kyueun Shim , Soojin Kim
CPC classification number: H01M4/366 , C01G53/42 , H01M4/131 , H01M4/505 , H01M4/525 , H01M10/052 , C01P2002/54 , C01P2004/84 , C01P2006/40 , H01M2004/028
Abstract: A composite cathode active material, a cathode and a lithium battery that include the composite cathode active material, and a method of preparing the composite cathode active material are provided. The composite cathode active material includes: a core including a lithium transition metal oxide; and a shell on and conformed to a surface of the core, where the shell includes: at least one first metal oxide represented by MaOb (where 0
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公开(公告)号：US20240113286A1
公开(公告)日：2024-04-04
申请号：US18477003
申请日：2023-09-28
Applicant: Samsung SDI Co., Ltd.
Inventor： Inhyuk Son , Sangkook Mah , Sungnim Jo , Kyueun Shim
Abstract: A composite positive electrode active material, a positive electrode and a lithium battery each including the same, and a method of preparing the composite positive electrode active material are disclosed. The composite positive electrode active material includes a first core including a first lithium transition metal oxide, a second core including a second lithium transition metal oxide, and a shell along a surface of at least one of the first core and the second core, the shell includes a first metal oxide, a first carbon-based material, and a second carbon-based material, the first metal oxide is in the first carbon-based material matrix, the first metal oxide is represented by Formula MaOb (0
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公开(公告)号：US20240113276A1
公开(公告)日：2024-04-04
申请号：US18476960
申请日：2023-09-28
Applicant: Samsung SDI Co., Ltd.
Inventor： Inhyuk Son , Sangkook Mah , Sungnim Jo , Sukgi Hong , Kyueun Shim
IPC: H01M4/131 , H01M4/134 , H01M4/525 , H01M4/583 , H01M10/0525
CPC classification number: H01M4/131 , H01M4/134 , H01M4/525 , H01M4/583 , H01M10/0525 , H01M2004/028
Abstract: A positive electrode for an all-solid secondary battery includes a positive electrode active material layer on a positive electrode current collector. The positive electrode active material layer includes a composite positive electrode active material and a sulfide-based solid electrolyte. The composite positive electrode active material includes a core including a lithium transition metal oxide, and a shell on a surface of the core. The shell includes at least one first metal oxide and a first carbon-based material, and the first metal oxide is in a matrix of the first carbon-based material, where the first metal oxide is represented by a formula of MaOb (0
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