公开(公告)号：US20230130796A1

公开(公告)日：2023-04-27

申请号：US17974187

申请日：2022-10-26

申请人： SK Innovation Co., Ltd. ,  SK ON CO., LTD.

发明人： Sung Yon Oh ,  Sang Hye Shin ,  Min Woo Park

IPC分类号： H01M10/0567 ,  H01M10/052 ,  H01M4/525 ,  H01M4/38 ,  H01M10/0568 ,  H01M4/04

摘要： An electrolyte for a lithium secondary battery includes a lithium salt, an organic solvent, and a compound represented by Chemical Formula 1. The compound forms a solid electrolyte interphase on a surface of an anode. A lithium secondary battery including the electrolyte and having improved high-temperature storage properties can be provided.

公开(公告)号：US20240339664A1

公开(公告)日：2024-10-10

申请号：US18738191

申请日：2024-06-10

申请人： SK On Co., Ltd.

发明人： Sung Yon Oh ,  In Haeng Cho ,  Dong Gun Lee ,  Jin Haek Yang

IPC分类号： H01M10/0567 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0569

CPC分类号： H01M10/0567 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2300/0025

摘要： Provided is a lithium secondary battery comprising: a cathode comprising a cathode active material, an anode comprising an anode active material, a separator interposed between the cathode and the anode, and an electrolyte for a secondary battery, wherein the cathode active material is Lix(NiaCobMnc)O2, wherein 0.90≤x≤1.10, 0.5≤a≤0.99, 0.005≤b

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.

公开(公告)号：US12046715B2

公开(公告)日：2024-07-23

申请号：US17495864

申请日：2021-10-07

申请人： SK On Co., Ltd.

发明人： Sung Yon Oh ,  In Haeng Cho ,  Dong Gun Lee ,  Jin Haek Yang

IPC分类号： H01M10/0567 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0569

CPC分类号： H01M10/0567 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2300/0025

摘要： Provided is a lithium secondary battery comprising: a cathode comprising a cathode active material, an anode comprising an anode active material, a separator interposed between the cathode and the anode, and an electrolyte for a secondary battery, wherein the cathode active material is Lix(NiaCobMnc)O2, wherein 0.90≤x≤1.10, 0.5≤a≤0.99, 0.005≤b

公开(公告)号：US20230098975A1

公开(公告)日：2023-03-30

申请号：US17954407

申请日：2022-09-28

申请人： SK ON CO., LTD.

发明人： Sung Yon Oh ,  In Haeng Cho ,  Myoung Lae Kim

IPC分类号： H01M10/0567 ,  H01M10/0569 ,  H01M10/0568 ,  H01M10/052

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 succinic anhydride-based compound substituted with a trialkoxysilyl alkyl group. A lithium secondary battery including the electrolyte provides enhanced cycle property and high temperature stability.

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.