公开(公告)号：US20250030129A1

公开(公告)日：2025-01-23

申请号：US18651778

申请日：2024-05-01

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Hyeok LEE ,  Young-Hwan KWON

IPC: H01M50/503 ,  H01M50/505 ,  H01M50/519 ,  H05K1/02

Abstract: A rechargeable battery module is disclosed. The rechargeable battery module includes a busbar holder covering a plurality of battery cells, a busbar disposed on the busbar holder to electrically connect the battery cells, and a flexible printed circuit (FPC) attached to the busbar to send a signal and to detect a current from the busbar, wherein the flexible printed circuit includes a thin copper film attached between the inner surfaces of a pair of cover layers, wherein the thin copper film is exposed in unit thin film portions through a plurality of openings formed in the pair of cover layers, the thin copper film and the pair of cover layers are bent, and the unit thin film portions are formed in multiple layers and welded to the busbar.

公开(公告)号：US20240222823A1

公开(公告)日：2024-07-04

申请号：US18379838

申请日：2023-10-13

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Hyeok LEE

IPC: H01M50/581 ,  H01M10/42 ,  H01M10/48 ,  H01M50/209 ,  H01M50/262 ,  H01M50/503

CPC classification number: H01M50/581 ,  H01M10/425 ,  H01M10/482 ,  H01M10/486 ,  H01M50/209 ,  H01M50/262 ,  H01M50/503 ,  H01M2010/4278

Abstract: A rechargeable battery pack, including a plurality of battery cells, a side frame accommodating the plurality of battery cells, a busbar holder covering an upper portion of the side frame, the busbar holder having an insertion groove in an upper surface thereof, the busbar holder including a fixing portion protruding from a first edge of the insertion groove, the busbar holder electrically connecting the plurality of battery cells to each other, an attachment plate inserted into the insertion groove, the attachment plate having a portion of a second edge fixed to the fixing portion, the attachment plate electrically connected to the busbar holder, and a temperature sensor electrically connected to the attachment plate, the temperature sensor measuring a temperature of the battery cell and transmitting the measured temperature to a protection circuit module.

公开(公告)号：US20240195021A1

公开(公告)日：2024-06-13

申请号：US18489743

申请日：2023-10-18

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Hyeok LEE ,  Young-Hwan KWON

IPC: H01M50/505 ,  H01M50/242 ,  H01M50/519 ,  H01M50/522 ,  H01M50/536 ,  H01M50/595

CPC classification number: H01M50/505 ,  H01M50/242 ,  H01M50/519 ,  H01M50/522 ,  H01M50/536 ,  H01M50/595

Abstract: A rechargeable battery module is provided. The rechargeable battery module may include battery cells aligned in a first direction, a busbar holder configured to cover the battery cells while exposing electrode terminals of the battery cells, a busbar configured to connect the electrode terminals, and a flexible printed circuit connected to the busbar, covered with a film, and including a body portion including signal lines in the film, a sensor coupled to the busbar, a connection portion including a connection line connecting the signal line and the sensor in the film, and having a connection width, and a slot hole passing through the film along a perimeter of the sensor to define the connection portion, and having a penetration width.

公开(公告)号：US20240332644A1

公开(公告)日：2024-10-03

申请号：US18383130

申请日：2023-10-24

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Jaepil AHN ,  Younghwan KWON ,  Hyeok LEE ,  Chuljung YUN

IPC: H01M10/42 ,  H01M50/209 ,  H01M50/284 ,  H05K1/14

CPC classification number: H01M10/425 ,  H01M50/209 ,  H01M50/284 ,  H05K1/144 ,  H01M2010/4278 ,  H05K2201/0338

Abstract: A battery pack, including a plurality of battery cells, and a state information transmission path for transmitting state information of the plurality of battery cells, wherein the state information transmission path includes a first circuit board unit including a first film layer and a first conductive layer formed over the first film layer, a second circuit board unit including a second film layer and a (2-1)th conductive layer and a (2-2)th conductive layer formed on different surfaces of the second film layer, and a conductive adhesive layer arranged between the first circuit board unit and the second circuit board unit to form an electrical connection therebetween.

公开(公告)号：US20230178815A1

公开(公告)日：2023-06-08

申请号：US18073086

申请日：2022-12-01

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Hyeok LEE ,  Younghwan KWON

IPC: H01M10/42 ,  H01M50/209 ,  H01M50/507 ,  H01M50/271 ,  H01M50/284 ,  H01M50/298 ,  H01M50/262

CPC classification number: H01M10/4257 ,  H01M50/209 ,  H01M50/507 ,  H01M50/271 ,  H01M50/284 ,  H01M50/298 ,  H01M50/262 ,  H01M2010/4271

Abstract: A battery pack includes a plurality of battery cells; a support plate on the plurality of battery cells and having a plurality of bus bars electrically connecting the plurality of battery cells to one another; a cover over the support plate; a controller on an inner side of the cover; and a circuit board on one side of the support plate to be connected to the plurality of battery cells, the circuit board having a connection wire extending toward the cover and being connected to the controller.

公开(公告)号：US20210265704A1

公开(公告)日：2021-08-26

申请号：US17248880

申请日：2021-02-11

Applicant: Samsung SDI Co., Ltd.

Inventor： Hyeok LEE ,  Kilseok LEE ,  Soomin AHN ,  Beomjoo KIM ,  Jaeho KIM ,  Heonhee KIM ,  Jisoon LIM ,  Eungi HEO

IPC: H01M50/507 ,  H01M50/503

Abstract: A rechargeable battery pack includes: a battery housing having an accommodation space; a plurality of cell modules in the accommodation space an having a plurality of unit battery cells connected to each other, and obliquely arranged; a holder part supporting the cell module inside the battery housing; and a bus bar at an upper side of the holder part and connecting electrode terminals of the unit battery cells, wherein the bus bar is between the cell modules at the upper side of the holder, and a lead part connected to the electrode terminal is obliquely protruded from at least one side of the bus bar.

公开(公告)号：US20210265682A1

公开(公告)日：2021-08-26

申请号：US17172814

申请日：2021-02-10

Applicant: Samsung SDI Co., Ltd.

Inventor： Hyeok LEE ,  Gunyeob PARK ,  Kilseok LEE ,  Beomjoo KIM ,  Jaeho KIM ,  Baeckgi JUNG ,  Heonhee KIM ,  Jisoon LIM ,  Eungi HEO

IPC: H01M10/6568 ,  H01M10/613 ,  H01M10/6556

Abstract: A rechargeable battery pack including: a plurality of unit battery packs stacked and coupled to each other in multiple stages, the unit battery packs having a cooling water line formed therein to circulate cooling water inside the unit battery pack; and a connection part connecting the cooling water line in adjacent ones of the unit battery packs to each other such that the cooling water line is configured to circulate cooling water therebetween.

公开(公告)号：US20250087842A1

公开(公告)日：2025-03-13

申请号：US18800247

申请日：2024-08-12

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Hyeok LEE

IPC: H01M50/507 ,  H01M10/48 ,  H01M50/244 ,  H01M50/262 ,  H01M50/503

Abstract: A battery pack is disclosed. The battery pack includes: a plurality of battery cells, with each of the battery cells including a terminal portion including a first terminal and a second terminal. A side surface frame is provided to which the plurality of battery cells are inserted in an insertion direction. A plurality of connection portions are provided, with each of the connection portions being fixed at a position between adjacent battery cells of the plurality of battery cells along the insertion direction; and plurality of busbars are connected to the plurality of connection portions, with each of the busbars being electrically connected to terminal portions of the adjacent battery cells.

公开(公告)号：US20210384591A1

公开(公告)日：2021-12-09

申请号：US17306775

申请日：2021-05-03

Applicant: Samsung SDI Co., Ltd.

Inventor： Hyeok LEE ,  Beomjoo KIM ,  Jaeho KIM ,  Kilseok LEE ,  Du-Seong JEON

IPC: H01M50/507 ,  H01M50/213 ,  H01M10/6568 ,  H01M10/6556

Abstract: A rechargeable battery pack may include: a battery housing including an inner space; a series of unit battery cells accommodated in the inner space; a first bus bar configured to electrically connect the unit battery cells above the unit battery cells; a second bus bar configured to electrically connect the unit battery cells under the unit battery cells and contact a bottom plate of the battery housing in the inner space; and a cooling unit in the battery housing under the second bus bar configured to accommodate a cooling medium to flow therein for cooling the unit battery cells.

公开(公告)号：US20210384590A1

公开(公告)日：2021-12-09

申请号：US17246907

申请日：2021-05-03

Applicant: Samsung SDI Co., Ltd.

Inventor： Hyeok LEE ,  Beomjoo KIM ,  Jaeho KIM ,  Kilseok LEE ,  Du-Seong JEON

IPC: H01M50/507 ,  H01M50/213 ,  H01M50/559

Abstract: A rechargeable battery pack includes: a battery housing provided with an inner space; a series of unit battery cells accommodated in the inner space, each unit battery cell including a first electrode terminal and a second electrode terminal at respective upper and lower portions thereof; and a bus bar module electrically connected to the first electrode terminal and the second electrode terminal of each unit battery cell. The bus bar module may include a first bus bar electrically connected to the first electrode terminal at the upper portion of the unit battery cells, a second bus bar electrically connected to the second electrode terminal at the lower portion of the unit battery cells, and a connector part electrically connected to the first bus bar and the second bus bar.