公开(公告)号：US20230420658A1

公开(公告)日：2023-12-28

申请号：US18335604

申请日：2023-06-15

申请人： SK ON CO., LTD.

发明人： Ji Hyung KIM ,  Young Ha KIM ,  Sang Bin LEE ,  Ho Jin HWANG

IPC分类号： H01M4/36 ,  H01M10/0525 ,  H01M4/525

CPC分类号： H01M4/366 ,  H01M10/0525 ,  H01M4/525 ,  H01M2004/021

摘要： A lithium secondary battery includes a cathode including a cathode current collector and a cathode active material layer formed on the cathode current collector, and an anode including an anode current collector and an anode active material layer formed on the anode current collector. The anode active material layer has an area larger than that of the cathode active material layer. The cathode active material layer includes a central portion and an outer portion surrounding the central portion, and the outer portion has a specific capacity less than that of the central portion.

公开(公告)号：US20240063450A1

公开(公告)日：2024-02-22

申请号：US18355412

申请日：2023-07-20

申请人： SK ON CO., LTD.

发明人： Sang Bin LEE ,  Young Ha KIM ,  Ji Hyung KIM ,  Ho Jin HWANG

IPC分类号： H01M10/48 ,  H05K5/00 ,  H01M50/531 ,  H01M10/42

CPC分类号： H01M10/488 ,  H05K5/0086 ,  H01M50/531 ,  H01M10/425 ,  H01M2220/30

摘要： A lithium secondary battery with an integrated display panel may include an electrode assembly including a cathode and an anode disposed to face the cathode, and an outer case which accommodates the electrode assembly and has at least one surface provided as a display panel. By providing at least one surface of the outer case as the display panel, a secondary battery having the reduced volume may be provided when designing the secondary battery with the same capacity.

公开(公告)号：US20230299398A1

公开(公告)日：2023-09-21

申请号：US18098111

申请日：2023-01-18

申请人： SK On Co., Ltd.

发明人： Young Ha KIM ,  Ji Hyung KIM ,  Sang Bin LEE ,  Ho Jin HWANG

IPC分类号： H01M50/184 ,  H01M50/186 ,  H01M50/30

CPC分类号： H01M50/184 ,  H01M50/186 ,  H01M50/30

摘要： A rechargeable-battery cell includes: an electrode assembly including a first electrode plate, a separator, and a second electrode plate; an electrode lead portion connected to a first or second uncoated electrode portion extending from the first or second electrode plate of the electrode assembly; a sealing member through which the electrode lead portion passes; and an exterior material from which portions of the sealing member and the electrode lead portion are externally exposed and in which the electrode structure is disposed, wherein the sealing member has the same thickness as or a thickness smaller than that of the electrode assembly.

公开(公告)号：US20230387495A1

公开(公告)日：2023-11-30

申请号：US18108658

申请日：2023-02-13

申请人： SK On Co., Ltd.

发明人： Ji Hyung KIM ,  Young-Ha KIM ,  Sang Bin LEE ,  Ho Jin HWANG

IPC分类号： H01M10/653 ,  H01M50/124 ,  H01M50/119 ,  H01M50/121 ,  H01M10/6551

CPC分类号： H01M10/653 ,  H01M50/1245 ,  H01M50/119 ,  H01M50/121 ,  H01M10/6551

摘要： A battery module in accordance with the present disclosure includes a secondary battery including an electrode assembly and an exterior material configured to accommodate the electrode assembly, a housing member configured to accommodate the secondary battery, and a temperature control member formed inside the housing member, wherein the battery module comprises a structure in which a metal layer formed on an outermost surface of the exterior material comes in contact with the temperature control member, such that temperature deviation among a plurality of the secondary batteries in the battery module is reduced and thus an efficiency in temperature control is enhanced.

公开(公告)号：US20230420678A1

公开(公告)日：2023-12-28

申请号：US18336622

申请日：2023-06-16

申请人： SK ON CO., LTD.

发明人： Ji Hyung KIM ,  Young Ha KIM ,  Sang Bin LEE ,  Ho Jin HWANG

IPC分类号： H01M4/62 ,  H01M10/0525 ,  H01M4/66 ,  H01M4/04

CPC分类号： H01M4/621 ,  H01M10/0525 ,  H01M4/661 ,  H01M4/04

摘要： A lithium secondary battery includes a cathode including a cathode current collector and a cathode active material layer formed on the cathode current collector, and an anode including an anode current collector and an anode active material layer formed on the anode current collector. The anode active material layer has an area larger than that of the cathode active material layer. The anode active material layer includes an overlapping portion overlying the cathode active material layer in a planar direction and a margin portion around the overlapping portion. The margin portion has an electrical resistance greater than that of the overlapping portion.

公开(公告)号：US20230187739A1

公开(公告)日：2023-06-15

申请号：US17994111

申请日：2022-11-25

申请人： SK On Co., Ltd.

发明人： Young Ha KIM ,  Ji Hyung KIM ,  Sang Bin LEE ,  Ho Jin HWANG

IPC分类号： H01M50/105 ,  H01M50/46 ,  H01M50/178 ,  H01M50/54

CPC分类号： H01M50/105 ,  H01M50/46 ,  H01M50/178 ,  H01M50/54

摘要： A secondary battery includes: a plurality of electrode assemblies, each of the plurality of electrode assemblies comprising a positive electrode, a negative electrode, and a separator; a plurality of electrode tabs formed to be extended from the electrode assemblies; a plurality of electrode leads electrically connected to the plurality of electrode tabs; and a pouch accommodating the plurality of electrode assemblies. In the plurality of electrode assemblies, the electrode tabs of the same electrodes are electrically connected to each other, and the plurality of electrode leads comprises three or more electrode leads.

公开(公告)号：US20230099793A1

公开(公告)日：2023-03-30

申请号：US17829782

申请日：2022-06-01

申请人： SK On Co., Ltd.

发明人： Ho Jin HWANG ,  Young Ha KIM ,  Ji Hyung KIM ,  Sang Bin LEE

IPC分类号： H01M50/178 ,  H01M50/105 ,  H01M50/186 ,  H01M10/0525

摘要： A pouch-type secondary battery includes an electrode assembly including a first electrode plate, a separator, and a second electrode plate; and a pouch film in which the electrode assembly is accommodated, wherein the pouch film includes an accommodation portion in which the electrode assembly is accommodated, and a terrace portion extending from the accommodation portion to an outside of the accommodation portion, the terrace portion includes a first side portion through and from which a negative electrode lead connected to the electrode assembly passes and protrudes, a second side portion through and from which a positive electrode lead connected to the electrode assembly passes and protrudes, and an upper end portion having both end portions connected to the first and second side portions, and folding portions folded toward the upper end portion are provided on ends of the first and second side portions.

公开(公告)号：US20240313221A1

公开(公告)日：2024-09-19

申请号：US18674931

申请日：2024-05-27

申请人： SK ON CO., LTD.

发明人： Ji Hyung KIM ,  Young Ha KIM ,  Sang Bin LEE ,  Ho Jin HWANG

IPC分类号： H01M4/62 ,  H01M4/04 ,  H01M4/66 ,  H01M10/0525

CPC分类号： H01M4/621 ,  H01M4/04 ,  H01M4/661 ,  H01M10/0525

摘要： A lithium secondary battery includes a cathode including a cathode current collector and a cathode active material layer formed on the cathode current collector, and an anode including an anode current collector and an anode active material layer formed on the anode current collector. The anode active material layer has an area larger than that of the cathode active material layer. The anode active material layer includes an overlapping portion overlying the cathode active material layer in a planar direction and a margin portion around the overlapping portion. The margin portion has an electrical resistance greater than that of the overlapping portion.

公开(公告)号：US20240088361A1

公开(公告)日：2024-03-14

申请号：US18513638

申请日：2023-11-20

申请人： SK ON CO., LTD.

发明人： Ji Hyung KIM ,  Young Ha KIM ,  Sang Bin LEE ,  Ho Jin HWANG

IPC分类号： H01M4/36 ,  H01M4/525 ,  H01M10/0525

CPC分类号： H01M4/366 ,  H01M4/525 ,  H01M10/0525 ,  H01M2004/021

摘要： A lithium secondary battery includes a cathode including a cathode current collector and a cathode active material layer formed on the cathode current collector, and an anode including an anode current collector and an anode active material layer formed on the anode current collector. The anode active material layer has an area larger than that of the cathode active material layer. The cathode active material layer includes a central portion and an outer portion surrounding the central portion, and the outer portion has a specific capacity less than that of the central portion.

公开(公告)号：US20230231282A1

公开(公告)日：2023-07-20

申请号：US17988467

申请日：2022-11-16

申请人： SK ON CO., LTD.

发明人： Ji Hyung KIM ,  Young Ha KIM ,  Sang Bin LEE ,  Ho Jin HWANG

IPC分类号： H01M50/533 ,  H01M50/46 ,  H01M50/536 ,  H01M50/244 ,  H01M50/102

CPC分类号： H01M50/533 ,  H01M50/46 ,  H01M50/536 ,  H01M50/244 ,  H01M50/102

摘要： A secondary battery includes an electrode assembly including a first electrode plate, a separator, and a second electrode plate, a lower case in which the electrode assembly is accommodated and electrode tabs are provided on sidewalls opposing each other, an upper case coupled to the lower case, and an outer casing disposed to surround the lower case and the upper case. The electrode assembly is provided with a first uncoated electrode portion extending from the first electrode plate and a second uncoated electrode portion extending from the second electrode plate, and the first and second uncoated electrode portions are bent and connected to the electrode tab of the lower case.