公开(公告)号：US20240266693A1

公开(公告)日：2024-08-08

申请号：US18567207

申请日：2022-07-18

申请人： LG ENERGY SOLUTION, LTD.

发明人： Jin Hyeok WON ,  Duk Hyun RYU ,  Byounggu LEE

IPC分类号： H01M50/567 ,  H01M50/107 ,  H01M50/179 ,  H01M50/186 ,  H01M50/193 ,  H01M50/197 ,  H01M50/198 ,  H01M50/559 ,  H01M50/566

CPC分类号： H01M50/567 ,  H01M50/107 ,  H01M50/179 ,  H01M50/186 ,  H01M50/193 ,  H01M50/197 ,  H01M50/198 ,  H01M50/559 ,  H01M50/566

摘要： A riveting structure of an electrode terminal, and a cylindrical battery cell, a battery pack, and a vehicle including the same includes: a battery can with one side open; an electrode terminal riveted through a through hole formed in a bottom of the battery can; and a gasket provided between the electrode terminal and an outer diameter of the through hole, and the gasket includes a fluorine resin.

公开(公告)号：US20240291014A1

公开(公告)日：2024-08-29

申请号：US18290034

申请日：2022-11-18

申请人： LG ENERGY SOLUTION, LTD.

发明人： Jin Hyeok WON ,  Duk Hyun RYU

IPC分类号： H01M10/04 ,  H01M50/107 ,  H01M50/186 ,  H01M50/249 ,  H01M50/567 ,  H01M50/593

CPC分类号： H01M10/0431 ,  H01M10/0422 ,  H01M50/107 ,  H01M50/186 ,  H01M50/249 ,  H01M50/567 ,  H01M50/593

摘要： A jelly roll includes an electrode assembly made by winding a stack of a first electrode, a separator, and a second electrode, and an insulation tape configured to cover at least a part of a lateral surface of the electrode assembly and at least a part of an end of the electrode assembly, in which the insulation tape has at least one notching pattern provided in a region that covers at least a part of the end of the electrode assembly. The jelly roll can be used in a secondary battery, a battery module, and a battery pack.

公开(公告)号：US20240274982A1

公开(公告)日：2024-08-15

申请号：US18563582

申请日：2022-11-18

申请人： LG ENERGY SOLUTION, LTD.

发明人： Jin Hyeok WON ,  Duk Hyun RYU

IPC分类号： H01M50/474 ,  B60R16/033 ,  H01M10/04 ,  H01M50/107 ,  H01M50/152 ,  H01M50/157 ,  H01M50/186 ,  H01M50/538 ,  H01M50/567

CPC分类号： H01M50/474 ,  B60R16/033 ,  H01M10/0431 ,  H01M50/107 ,  H01M50/152 ,  H01M50/157 ,  H01M50/186 ,  H01M50/538 ,  H01M50/567 ,  H01M2220/20

摘要： A secondary battery includes a wound electrode assembly having a first electrode, a separator, and a second electrode, and a battery can configured to accommodate the electrode assembly, the battery can having a partially closed portion at one side thereof, an open portion at the other side opposite to the partially closed portion, and a cylindrical sidewall, the electrode assembly having a first end from which a first electrode tab is extended, and a second end from which a second electrode tab is extended, the first end and the battery can being electrically connected, the sidewall of the battery can having an insulative coating layer provided on an inner surface corresponding to the second end. A second current collecting plate is electrically connected to the second electrode tab. An insulation member is provided between the second current collecting plate and the bottom portion of the battery can.