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.

公开(公告)号：US20230307779A1

公开(公告)日：2023-09-28

申请号：US18204996

申请日：2023-06-02

申请人： SK ON CO., LTD.

发明人： Jong Hyuk Lee ,  Su Hee Han ,  Hee Gyoung Kang

IPC分类号： H01M50/342 ,  H01M50/507 ,  H01M10/42 ,  H01M10/48

CPC分类号： H01M50/342 ,  H01M50/507 ,  H01M10/4228 ,  H01M10/482 ,  H01M2200/20

摘要： A battery module according to an embodiment of the present invention includes a battery stack in which a plurality of battery cells including a cathode tab and an anode tab are stacked; a first bus bar assembly including a first bus bar connecting cathode tabs and anode tabs located at one end of the battery stack; and a second bus bar assembly including a second bus bar connecting cathode tabs and anode tabs located at the other end of the battery stack. The first bus bar assembly or the second bus bar assembly may include a venting part including at least one venting knife which protrudes from the first bus bar or the second bus bar toward the battery cell, such that stability of the battery module may be improved.

公开(公告)号：US11710874B2

公开(公告)日：2023-07-25

申请号：US17183440

申请日：2021-02-24

申请人： SK On Co., Ltd.

发明人： Jong Hyuk Lee ,  Su Hee Han ,  Hee Gyoung Kang

IPC分类号： H01M50/342 ,  H01M10/42 ,  H01M10/48 ,  H01M50/507 ,  H01M50/502 ,  H01M50/572

CPC分类号： H01M50/342 ,  H01M10/4228 ,  H01M10/482 ,  H01M50/507 ,  H01M2200/20

摘要： A battery module according to an embodiment of the present invention includes: a battery stack in which a plurality of battery cells including a cathode tab and an anode tab are stacked; a first bus bar assembly including a first bus bar connecting cathode tabs and anode tabs located at one end of the battery stack; and a second bus bar assembly including a second bus bar connecting cathode tabs and anode tabs located at the other end of the battery stack. The first bus bar assembly or the second bus bar assembly may include a venting part including at least one venting knife which protrudes from the first bus bar or the second bus bar toward the battery cell, such that stability of the battery module may be improved.

公开(公告)号：US20230054122A1

公开(公告)日：2023-02-23

申请号：US17863769

申请日：2022-07-13

申请人： SK ON CO., LTD.

发明人： Jin Hong Lee ,  Yu Na Shim ,  In Haeng Cho ,  Su Hee Han

IPC分类号： H01M10/0567 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569

摘要： An electrolyte solution for a lithium secondary battery includes a lithium salt, an organic solvent, a first additive including a lactone-based compound represented by a specific chemical formula, and a second additive including a fluorine-containing phosphate-based compound, a fluorine-containing carbonate-based compound, a sultone-based compound and a sulfate-based compound. A lithium secondary battery including the electrolyte solution is also provided.