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1.发明授权公开(公告)号：US11728515B2
公开(公告)日：2023-08-15
申请号：US17186152
申请日：2021-02-26
申请人： SK ON CO., LTD.
发明人： Sung Jin Kim , Dai In Park , Myoung Lae Kim , Joo Hyun Lee
IPC分类号： H01M10/0567 , H01M10/0525 , H01M10/0568 , H01M10/0569
CPC分类号： H01M10/0567 , H01M10/0525 , H01M10/0568 , H01M10/0569 , H01M2300/0028
摘要： An electrolyte for a lithium secondary battery according to embodiments of the present invention includes an organic solvent, a lithium salt, and an additive including a cyclic ether-sulfate-based compound. Thereby, cycle characteristics and high-temperature stability of the lithium secondary battery may be improved.
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2.发明授权公开(公告)号：US12051777B2
公开(公告)日：2024-07-30
申请号：US17517151
申请日：2021-11-02
申请人： SK On Co., Ltd.
发明人： In Haeng Cho , Myoung Lae Kim , Sung Jin Kim , Jin Hong Lee
IPC分类号： H01M10/0567 , C07F9/6574 , H01M10/0525 , H01M10/0569
CPC分类号： H01M10/0567 , C07F9/65746 , H01M10/0525 , H01M10/0569 , H01M2300/0025
摘要： An electrolyte solution for a lithium secondary battery includes an organic solvent, a lithium salt, and a pentaerythritol diphosphite-based compound including at least one substituent selected from the group consisting of a silyl group, a sulfonyl group, a phosphoryl group and a phosphino group. A lithium secondary including the electrolyte solution is provided.
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3.发明授权公开(公告)号：US11664535B2
公开(公告)日：2023-05-30
申请号：US17220114
申请日：2021-04-01
申请人： SK ON CO., LTD.
发明人： In Haeng Cho , Dong Gun Lee , Joo Hyun Lee , Sung Jin Kim
IPC分类号： H01M10/0567 , C07C309/67 , C07F9/06 , H01M10/0525 , H01M10/0568 , H01M10/0569
CPC分类号： H01M10/0567 , C07C309/67 , C07F9/062 , H01M10/0525 , H01M10/0568 , H01M10/0569 , H01M2300/0025
摘要： An electrolyte for a lithium secondary battery according to exemplary embodiments of the present inventing includes an organic solvent, a lithium salt, a first additive represented by a predetermined chemical formula, and a second additive represented by a predetermined chemical formula. A protective film is formed by the additives to suppress an expansion of a lithium secondary battery and improve storage property at high temperature.
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4.发明公开公开(公告)号：US20230253625A1
公开(公告)日：2023-08-10
申请号：US18135365
申请日：2023-04-17
申请人： SK ON CO., LTD.
发明人： In Haeng Cho , Dong Gun Lee , Joo Hyun Lee , Sung Jin Kim
IPC分类号： H01M10/0567 , C07C309/67 , C07F9/06 , H01M10/0525 , H01M10/0568 , H01M10/0569
CPC分类号： H01M10/0567 , C07C309/67 , C07F9/062 , H01M10/0525 , H01M10/0568 , H01M10/0569 , H01M2300/0025
摘要： An electrolyte for a lithium secondary battery according to exemplary embodiments of the present inventing includes an organic solvent, a lithium salt, a first additive represented by a predetermined chemical formula, and a second additive represented by a predetermined chemical formula. A protective film is formed by the additives to suppress an expansion of a lithium secondary battery and improve storage property at high temperature.
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