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1.发明授权公开(公告)号：US12129270B2
公开(公告)日：2024-10-29
申请号：US18502094
申请日：2023-11-06
申请人： SK On Co., Ltd.
发明人： Myoung Lae Kim , Chanwoo Kim , Yu Na Shim , Jaechan Ryu , Cholho Lee , Han Sol Lee
IPC分类号： C07F5/02 , H01M10/0567
CPC分类号： C07F5/022 , H01M10/0567 , H01M2300/0037
摘要： Provided are a novel boron-containing compound and an electrolyte solution additive for a secondary battery including the same. The electrolyte solution for a secondary battery provided in one embodiment includes the novel boron-containing compound, thereby suppressing the decomposition of an electrolyte solution to improve the capacity and the life characteristics of a battery.
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2.发明授权公开(公告)号：US11845766B2
公开(公告)日：2023-12-19
申请号：US18086122
申请日：2022-12-21
申请人： SK On Co., Ltd.
发明人： Myoung Lae Kim , Chanwoo Kim , Yu Na Shim , Jaechan Ryu , Cholho Lee , Han Sol Lee
IPC分类号： C07F5/02 , H01M10/0567
CPC分类号： C07F5/022 , H01M10/0567 , H01M2300/0037
摘要： Provided are a novel boron-containing compound and an electrolyte solution additive for a secondary battery including the same. The electrolyte solution for a secondary battery provided in one embodiment includes the novel boron-containing compound, thereby suppressing the decomposition of an electrolyte solution to improve the capacity and the life characteristics of a battery.
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3.发明申请公开(公告)号：US20220328876A1
公开(公告)日：2022-10-13
申请号：US17718813
申请日：2022-04-12
申请人： SK ON CO., LTD.
发明人： In Haeng Cho , Yu Na Shim , Jin Hong Lee , Su Hee Han
IPC分类号： H01M10/0567 , H01M10/0568 , H01M10/0569 , C07F9/06 , H01M10/052
摘要： An electrolyte solution for a lithium secondary battery includes an organic solvent, a lithium salt, and an additive including a compound represented by Chemical Formula 1. A lithium secondary includes the electrolyte solution and has improved capacity retention at room temperature and high temperature storage properties such as increased capacity retention and capacity recovery and an suppressed resistance and thickness.
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公开(公告)号：US20240363903A1
公开(公告)日：2024-10-31
申请号：US18647198
申请日：2024-04-26
发明人： Min Kyung Seon , Hong Won Lee , Jeong Yun Kim , Yu Na Shim
IPC分类号： H01M10/0567 , H01M10/052 , H01M10/0568 , H01M10/0585
CPC分类号： H01M10/0567 , H01M10/052 , H01M10/0568 , H01M10/0585
摘要： An additive for an electrolyte solution of a secondary battery includes a microcapsule particle. The microcapsule particle includes a core containing a phosphorus-based flame retardant, and a shell surrounding a surface of the core and including a polymer that includes a urea-derived repeating unit, a formaldehyde-derived repeating unit and a resorcinol-derived repeating unit. An electrolyte solution and a lithium secondary battery including the additive for an electrolyte solution have improved stability, life-span and storage properties at high temperature.
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5.发明公开公开(公告)号：US20230207778A1
公开(公告)日：2023-06-29
申请号：US18093215
申请日：2023-01-04
申请人： SK On Co., Ltd.
发明人： Sang Min Park , Tae Kyoung Lee , Sang Bok Kim , Jik Soo Kim , Sang Hye Shin , Yu Na Shim , Jeong Bae Yoon
IPC分类号： H01M4/131 , H01M4/04 , H01M4/133 , H01M4/1391 , H01M4/1393 , H01M4/525 , H01M10/0525
CPC分类号： H01M4/131 , H01M4/0471 , H01M4/133 , H01M4/1391 , H01M4/1393 , H01M4/525 , H01M10/0525
摘要： The cathode active material for a lithium secondary battery according to embodiments of the present invention includes lithium-transition metal composite oxide particles including a plurality of primary particles, and the lithium-transition metal composite oxide particles have a lithium-potassium-containing portion formed between the primary particles. Thereby, it is possible to improve life-span properties and capacity properties by preventing the layer structure deformation of the primary particles and removing residual lithium.
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公开(公告)号：US20230080189A1
公开(公告)日：2023-03-16
申请号：US17671670
申请日：2022-02-15
申请人： SK ON CO., LTD.
发明人： Sung Yon Oh , Sang Hye Shin , Yu Na Shim
IPC分类号： H01M10/0567 , H01M4/36 , H01M4/485 , H01M4/38 , H01M4/583 , H01M10/0525 , C07F7/18
摘要： An electrolyte solution for a secondary battery according to an exemplary embodiment includes a lithium salt, a non-aqueous organic solvent, and a silatrane-based compound represented by Chemical Formula 1. By including the electrolyte solution for a secondary battery according to an exemplary embodiment, a secondary battery can exhibit improved storage characteristics and improved capacity characteristics.
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7.发明公开公开(公告)号：US20230192727A1
公开(公告)日：2023-06-22
申请号：US18086122
申请日：2022-12-21
申请人： SK On Co., Ltd.
发明人： Myoung Lae KIM , Chanwoo Kim , Yu Na Shim , Jaechan Ryu , Cholho Lee , Han Sol LEE
IPC分类号： C07F5/02 , H01M10/0567
CPC分类号： C07F5/022 , H01M10/0567 , H01M2300/0037
摘要： Provided are a novel boron-containing compound and an electrolyte solution additive for a secondary battery including the same. The electrolyte solution for a secondary battery provided in one embodiment includes the novel boron-containing compound, thereby suppressing the decomposition of an electrolyte solution to improve the capacity and the life characteristics of a battery.
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8.发明授权公开(公告)号：US12122796B2
公开(公告)日：2024-10-22
申请号：US18504164
申请日：2023-11-08
申请人： SK On Co., Ltd.
发明人： Myoung Lae Kim , Chanwoo Kim , Yu Na Shim , Jaechan Ryu , Cholho Lee , Han Sol Lee
IPC分类号： C07F5/02
CPC分类号： C07F5/022
摘要： The present disclosure relates to a novel boron-containing compound and an electrolyte additive for a secondary battery containing the same. An electrolyte for a secondary battery provided in one embodiment contains the novel boron-containing compound, such that decomposition of the electrolyte may be suppressed, thereby improving a capacity and a lifespan of the battery.
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9.发明授权公开(公告)号：US11955604B2
公开(公告)日：2024-04-09
申请号：US18306244
申请日：2023-04-25
申请人： SK ON CO., LTD.
发明人： Ki Sung Park , Chanwoo Kim , Yu Na Shim , Sung Yon Oh
IPC分类号： H01M10/0567 , H01M10/0525 , H01M10/0569
CPC分类号： H01M10/0567 , H01M10/0525 , H01M10/0569 , H01M2300/0037 , H01M2300/004
摘要： An electrolyte solution for a lithium secondary battery according to an embodiment of the present invention includes an organic solvent, a lithium salt, a compound represented by Chemical Formula 1, and a compound represented by Chemical Formula 2. A lithium secondary battery including the electrolyte solution and having improved low temperature and high temperature properties is provided.
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10.发明授权公开(公告)号：US12107256B2
公开(公告)日：2024-10-01
申请号：US18093215
申请日：2023-01-04
申请人： SK ON CO., LTD.
发明人： Sang Min Park , Tae Kyoung Lee , Sang Bok Kim , Jik Soo Kim , Sang Hye Shin , Yu Na Shim , Jeong Bae Yoon
IPC分类号： H01M4/131 , H01M4/04 , H01M4/133 , H01M4/1391 , H01M4/1393 , H01M4/525 , H01M10/0525
CPC分类号： H01M4/131 , H01M4/0471 , H01M4/133 , H01M4/1391 , H01M4/1393 , H01M4/525 , H01M10/0525
摘要： The cathode active material for a lithium secondary battery according to embodiments of the present invention includes lithium-transition metal composite oxide particles including a plurality of primary particles, and the lithium-transition metal composite oxide particles have a lithium-potassium-containing portion formed between the primary particles. Thereby, it is possible to improve life-span properties and capacity properties by preventing the layer structure deformation of the primary particles and removing residual lithium.
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