公开(公告)号：US20230344086A1

公开(公告)日：2023-10-26

申请号：US17959825

申请日：2022-10-04

Applicant: SK ON CO., LTD.

Inventor： Tak Kyung YOO ,  Yang Kyu CHOI ,  Ji San KIM ,  Seo Roh RHEE

IPC: H01M50/503 ,  H01M50/211 ,  H01M50/271

CPC classification number: H01M50/503 ,  H01M50/211 ,  H01M50/271

Abstract: A battery module including a cell stack including a plurality of battery cells that are stacked on top of one another, the plurality of battery cells including electrode leads, at least one bus bar structured to provide a plurality of through-slits into which the electrode leads are inserted, and a bus bar frame coupled to the at least one bus bar, the bus bar frame having a plurality of through-holes in which the electrode leads are disposed. Each of the through-slits may include a first guide portion structured to include a first space wider than a width of a corresponding through-slit for a corresponding electrode lead to be inserted toward the through-slit, and the bus bar frame may include a second guide portion structured to include a second space that extends from the first space and has a width wider than the first space.

公开(公告)号：US20230111662A1

公开(公告)日：2023-04-13

申请号：US18081854

申请日：2022-12-15

Applicant: SK On Co., Ltd.

Inventor： Hae Ryong JEON ,  Seok Min KIM ,  Myeong Hwan Ma ,  Seo Roh RHEE ,  Seung Hoon JU ,  Yang Kyu CHOI ,  Dong Ha HWANG

IPC: H01M10/6554 ,  H01M10/653 ,  H01M10/613 ,  H01M50/20

Abstract: A battery module according to an embodiment of the present disclosure includes a plurality of secondary battery cells; and a housing member including a cooling plate member, and a heat conductive member provided between the secondary battery cells and the cooling plate member to form a heat path for transferring heat from the secondary battery cells to the cooling plate member, the housing member having the plurality of secondary battery cells accommodated therein, wherein the heat conductive member is comprised such that a portion of the heat conductive member in contact with a secondary battery cell that is supercooled has a lower thermal conductivity than a remaining portion of the heat conductive member.

公开(公告)号：US20230080035A1

公开(公告)日：2023-03-16

申请号：US17945818

申请日：2022-09-15

Applicant: SK ON CO., LTD.

Inventor： Hae Ryong JEON ,  Ji Eun KANG ,  Yang Kyu CHOI

IPC: H01M50/211 ,  H01M50/262 ,  H01M50/271 ,  H01M50/507 ,  H01M10/48

Abstract: A battery cell bundle comprises a support member including a barrier wall including first and second sides extending from an end of the support member; a plurality of first battery cells disposed on the first side of the barrier wall and a plurality of second battery cells disposed on the second side of the barrier wall; and an internal busbar to electrically connect the plurality of battery cells to each other, wherein the internal busbar includes a first busbar to electrically connect the plurality of first battery cells to each other, and a second busbar to electrically connect the plurality of second battery cells to each other, and wherein a portion of the first busbar is electrically connected to a portion of the second busbar.

公开(公告)号：US20250023142A1

公开(公告)日：2025-01-16

申请号：US18904712

申请日：2024-10-02

Applicant: SK On Co., Ltd.

Inventor： Yang Kyu CHOI ,  Sol San SON ,  Dong Hun LIM ,  Seung Hoon JU

IPC: H01M10/6554 ,  H01M10/48 ,  H01M10/613 ,  H01M10/655 ,  H01M10/6551 ,  H01M50/209 ,  H01M50/211 ,  H01M50/271 ,  H01M50/291 ,  H01M50/507 ,  H01M50/569

Abstract: The present invention provides a battery module, which includes: a battery group formed by stacking a plurality of battery cells, each of which includes electrode tabs; a cooling housing including a cooling plate located corresponding to one side of sides of the battery group, in which the electrode tabs are not extended, and side plates located on both sides of the battery group perpendicular to the one side of the sides, thus to house the battery group; a cover plate located on the other side of the battery group; and a front cover part and a rear cover part, which are located at outermost front and rear of the battery group on both sides in a direction in which the electrode tabs are extended.

公开(公告)号：US20250023141A1

公开(公告)日：2025-01-16

申请号：US18904083

申请日：2024-10-02

Applicant: SK On Co., Ltd.

Inventor： Yang Kyu CHOI ,  Sol San SON ,  Dong Hun LIM ,  Seung Hoon JU

IPC: H01M10/6554 ,  H01M10/48 ,  H01M10/613 ,  H01M10/655 ,  H01M10/6551 ,  H01M50/209 ,  H01M50/211 ,  H01M50/271 ,  H01M50/291 ,  H01M50/507 ,  H01M50/569

Abstract: The present invention provides a battery module, which includes: a battery group formed by stacking a plurality of battery cells, each of which includes electrode tabs; a cooling housing including a cooling plate located corresponding to one side of sides of the battery group, in which the electrode tabs are not extended, and side plates located on both sides of the battery group perpendicular to the one side of the sides, thus to house the battery group; a cover plate located on the other side of the battery group; and a front cover part and a rear cover part, which are located at outermost front and rear of the battery group on both sides in a direction in which the electrode tabs are extended.

公开(公告)号：US20230291059A1

公开(公告)日：2023-09-14

申请号：US18181548

申请日：2023-03-10

Applicant: SK ON CO., LTD.

Inventor： Seung Hun LEE ,  Tae Gu LEE ,  Ji Hoon LIM ,  Yang Kyu CHOI

IPC: H01M50/289

CPC classification number: H01M50/289

Abstract: A battery pack includes a cell assembly; and a pack case accommodating the cell assembly in an internal space, wherein the pack case includes a lower plate having a plate shape and a frame disposed to protrude upwardly from the lower plate, wherein the frame has an inlet through which flame flows from the cell assembly into the internal space of the frame, and a flow path through which the flame flowing in from the inlet flows, wherein the flow path is formed by a partition wall disposed in the length direction of the frame, and wherein at least two or more of the partition walls are spaced apart from each other in the height direction of the frame such that a direction of the flow path is able to be changed.

公开(公告)号：US20230291036A1

公开(公告)日：2023-09-14

申请号：US18180127

申请日：2023-03-08

Applicant: SK On Co., Ltd.

Inventor： Tak Kyung YOO ,  Seo Roh RHEE ,  Seung Hun LEE ,  Yang Kyu CHOI

IPC: H01M10/658 ,  H01M50/533 ,  H01M50/204

CPC classification number: H01M10/658 ,  H01M50/533 ,  H01M50/204

Abstract: A battery cell assembly includes a first battery cell, a second battery cell disposed to face the first battery cell, a protective member disposed between the first battery cell and the second battery cell, and a support member coupled to at least one side of the protective member and supporting the protective member. The protective member includes a heat insulating member preventing heat propagation between the first battery cell and the second battery cell.

公开(公告)号：US20230282928A1

公开(公告)日：2023-09-07

申请号：US18177112

申请日：2023-03-02

Applicant: SK ON CO., LTD.

Inventor： Seung Hun LEE ,  Tak Kyung YOO ,  Yang Kyu CHOI

IPC: H01M50/358 ,  H01M50/204 ,  H01M50/383

CPC classification number: H01M50/358 ,  H01M50/204 ,  H01M50/383

Abstract: A battery pack includes a plurality of battery modules each including a plurality of battery cells; and a pack housing having a plurality of accommodation spaces in which the plurality of battery modules are accommodated, wherein the pack housing includes a plurality of venting holes disposed on an external surface of the pack housing and configured to discharge gas generated from the plurality of battery modules, and wherein each of the plurality of accommodation spaces is configured to communicate with a different venting hole among the plurality of venting holes.

公开(公告)号：US20230282903A1

公开(公告)日：2023-09-07

申请号：US18173059

申请日：2023-02-23

Applicant: SK On Co., Ltd.

Inventor： Seung Hun LEE ,  Tak Kyung YOO ,  Yang Kyu CHOI

IPC: H01M10/6554 ,  H01M10/613 ,  H01M50/204 ,  H01M10/6551 ,  H01M10/6556

CPC classification number: H01M10/6554 ,  H01M10/613 ,  H01M50/204 ,  H01M10/6551 ,  H01M10/6556

Abstract: A battery device includes a plurality of cell assemblies each including a plurality of battery cells; a housing including an accommodation space in which the plurality of cell assemblies are accommodated; and a cooling plate installed in the housing to cool the plurality of cell assemblies, wherein the cooling plate includes a plurality of seating portions on which the cell assemblies are seated, respectively, and a heat transfer delay portion disposed between the plurality of seating portions and preventing or reducing heat transfer between the seating portions adjacent to each other.

公开(公告)号：US20230084013A1

公开(公告)日：2023-03-16

申请号：US17945797

申请日：2022-09-15

Applicant: SK ON CO., LTD.

Inventor： Hae Ryong JEON ,  Ji Eun KANG ,  Yang Kyu CHOI

IPC: H01M50/291 ,  H01M10/658 ,  H01M50/211 ,  H01M50/271 ,  H01M50/383

Abstract: A battery cell bundle includes a support member including at least one barrier wall including first and second sides; a plurality of first battery cells disposed on the first side of the at least one barrier wall; a plurality of second battery cells disposed on the second side of the at least one barrier wall; a cover member surrounding at least a portion of an outer portion of the plurality of first and second battery cells, and coupled to the support member such that the cover member and the support member define an internal space; and a panel member covering ends of the internal space, wherein the internal space is divided into a plurality of installation spaces by the at least one barrier wall, and wherein the first and second battery cells are disposed in each of the installation spaces.