公开(公告)号：US12183481B2

公开(公告)日：2024-12-31

申请号：US17762938

申请日：2021-03-24

Applicant: LG Energy Solution, Ltd.

Inventor： Sung-Tack Hwang ,  Won-Tae Lee

IPC: H01B7/08 ,  A62C3/16 ,  C09J1/00 ,  C09J7/30 ,  H01B7/00 ,  H01B7/02 ,  H01B7/295 ,  H01M50/383 ,  H01M50/503 ,  H01M50/522 ,  H01M50/526 ,  H01M50/588 ,  H01M50/59

Abstract: A bus bar, which includes a metal bar made of an electrically conductive metal material; a bandage member configured to surround the metal bar except for both ends of the metal bar; and an insulating tube configured to surround the metal bar and the bandage member together, wherein the bandage member is made of a metal wire having a surface coated with a coating material having insulation and fire resistance.

公开(公告)号：US12166191B2

公开(公告)日：2024-12-10

申请号：US17264246

申请日：2019-07-26

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： Tetsuji Omura ,  Toshiya Gotou ,  Shinya Motokawa

IPC: H01M10/6556 ,  H01M10/613 ,  H01M10/647 ,  H01M10/653 ,  H01M10/6553 ,  H01M10/6567 ,  H01M10/658 ,  H01M50/209 ,  H01M50/224 ,  H01M50/227 ,  H01M50/276 ,  H01M50/278 ,  H01M50/289 ,  H01M50/50 ,  H01M50/526

Abstract: Battery module includes a plurality of batteries (secondary batteries), one or more bus bars that electrically connect the plurality of batteries, and cooling plate that is in contact with bus bar and has one or more passages through which a coolant flows. Each of the plurality of batteries has: an electrode body; an outer can that accommodates the electrode body; a lid that seals an opening of the outer can; and positive electrode terminal and negative electrode terminal that are individually inserted through a pair of through holes provided on the lid, are insulated from the lid, and are electrically connected to the electrode body. One of positive electrode terminal and negative electrode terminal is connected to bus bar.

公开(公告)号：US12148954B2

公开(公告)日：2024-11-19

申请号：US17781240

申请日：2021-03-04

Applicant: LG ENERGY SOLUTION, LTD.

Inventor： Ju Hwan Shin ,  Hyoung Suk Lee ,  Dong Hyun Kim

IPC: H01M50/505 ,  H01B13/00 ,  H01B13/16 ,  H01M50/522 ,  H01M50/524 ,  H01M50/526

Abstract: An HV busbar configured to connect a plurality of battery modules to each other, has a conductor including a first metal plate and a second metal plate and an insulative resin coating layer on the outer circumferential surface of the conductor, wherein a first metal constituting the first metal plate and second metals having a lower melting temperature than the first metal are mixed in the second metal plate in the state in which the second metals are dispersed.

公开(公告)号：US20240339242A1

公开(公告)日：2024-10-10

申请号：US18297397

申请日：2023-04-07

Applicant: Mintsoft, LLC

Inventor： Jason Andrew Mindte

IPC: H01B7/00 ,  H01B1/04 ,  H01B13/00 ,  H01B13/06 ,  H01M50/526

CPC classification number: H01B7/0009 ,  H01B1/04 ,  H01B13/0036 ,  H01B13/06 ,  H01M50/526

Abstract: A graphene busbar includes a graphene core formed by compressing graphene powder at high pressure. The busbar is insulated with an insulating and reinforcing material, which may be applied to the graphene core before or after compression. The busbar may also include contacts formed of an electrically conductive material, such as copper, that are connected to the graphene core.

公开(公告)号：US20240234965A1

公开(公告)日：2024-07-11

申请号：US18002521

申请日：2021-06-08

Applicant: MERCEDES-BENZ GROUP AG

Inventor： Dirk STEFFENS

IPC: H01M50/517 ,  H01M50/249 ,  H01M50/526

CPC classification number: H01M50/517 ,  H01M50/249 ,  H01M50/526 ,  H01M2220/20

Abstract: A method for providing a battery for an electrically operable motor vehicle, where a plurality of battery cells are disposed together to form a battery pack and where a plurality of dies are respectively disposed in a respective element of the plurality of battery cells, includes simultaneously connecting all dies of the plurality of dies that are disposed on a same side of the battery pack with at least one component via press joining by a tool.

公开(公告)号：US11973245B2

公开(公告)日：2024-04-30

申请号：US17554304

申请日：2021-12-17

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Kunimitsu Yamamoto

IPC: H01M50/526 ,  H01M50/522 ,  H01M50/524

CPC classification number: H01M50/526 ,  H01M50/522 ,  H01M50/524

Abstract: To provide a battery module with high volumetric efficiency. A battery module comprising stacked and connected unit cells each comprising a power generation element, a cathode terminal, and an anode terminal disposed on the opposite side of the cathode terminal of the power generation element, wherein a connection laminate layer including a resin layer, a metal layer and a resin layer in this sequence, is disposed between the unit cells, and wherein the metal layer of the connection laminate layer is electrically connected to the cathode terminal of one adjacent unit cell and the anode terminal of the other unit cell.

公开(公告)号：US20240030562A1

公开(公告)日：2024-01-25

申请号：US18372137

申请日：2023-09-25

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zelin JIN ,  Wei CHEN ,  Tong PEI ,  Dongyang SHI ,  Chuan LI

IPC: H01M50/533 ,  H01M50/103 ,  H01M50/15 ,  H01M50/526 ,  H01M50/548 ,  H01M50/209 ,  H01M10/04

CPC classification number: H01M50/533 ,  H01M50/103 ,  H01M50/15 ,  H01M50/526 ,  H01M50/548 ,  H01M50/209 ,  H01M10/049 ,  H01M2220/20

Abstract: A battery cell may include: a housing, provided with a first opening at one end along a first direction; a first end cover, configured to seal the first opening, where the first end cover includes an end cover body and a first electrode terminal provided on the end cover body; an electrode assembly, provided inside the housing, where the electrode assembly may include a main body and a first tab led out from the main body; and a first adapter, including a first portion, a second portion, and a third portion, where the first portion may be located on a side, from which the first tab may be led out, of the main body and electrically connected to the first tab, and the second portion may be located on a side of the main body close to the first end cover and connected to the first portion.

公开(公告)号：US11817543B2

公开(公告)日：2023-11-14

申请号：US16718852

申请日：2019-12-18

Applicant: NINGDE AMPEREX TECHNOLOGY LIMITED

Inventor： Xiang Li ,  Huixin Wang ,  Qiaoshu Hu ,  Yibo Zhang

IPC: H01M50/538 ,  H01M50/54 ,  H01M50/541 ,  H01M50/533 ,  H01M50/531 ,  H01M50/526 ,  H01M10/04 ,  H01M50/534 ,  H01M50/536

CPC classification number: H01M10/0431 ,  H01M50/534 ,  H01M50/536 ,  H01M50/538

Abstract: The embodiments of the present application relate to an electrode sheet and a battery cell including the same. The electrode sheet according to an embodiment comprises an electrode sheet body and a plurality of tabs connected to the electrode sheet body. The width of each of the plurality of tabs is different from one another; or the length of each of the plurality of tabs is different from one another. The electrode sheet and the battery cell provided in the embodiments of the present application ensure that each of the tabs in the electrode sheet can electrically conduct well with the tab lead. Thus, the battery cell provided in the present application has the advantage of good electrical conductivity.

公开(公告)号：US11764432B2

公开(公告)日：2023-09-19

申请号：US16367975

申请日：2019-03-28

Applicant: Tesla, Inc.

Inventor： Kevin Cornelius Matthews

IPC: H01M50/213 ,  H01M50/519 ,  H01M50/526 ,  H01M50/284 ,  H01M50/51 ,  H01M50/512

CPC classification number: H01M50/213 ,  H01M50/284 ,  H01M50/51 ,  H01M50/512 ,  H01M50/519 ,  H01M50/526

Abstract: A battery system includes multiple cells arranged in a common cell enclosure that can also be used for a structure and heat transfer fluid conduit. The battery system also includes a first collector plate. The first collector plate has multiple collector tabs that correspond to the multiple cells. Each collector tab is connected to a cathode of a corresponding cell from amongst the multiple cells present in the battery system.

公开(公告)号：US20230216151A1

公开(公告)日：2023-07-06

申请号：US18093098

申请日：2023-01-04

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Janggun AHN

IPC: H01M50/526 ,  H01M50/507 ,  H01M50/204 ,  H01M50/284 ,  H01M50/531

CPC classification number: H01M50/526 ,  H01M50/204 ,  H01M50/284 ,  H01M50/507 ,  H01M50/531

Abstract: A battery pack includes a plurality of battery cells; and a bus bar electrically connected to the plurality of battery cells, wherein the bus bar includes a single-layer portion and a multi-layer portion, the multilayer portion having different numbers of stacks in the thickness direction, the single-layer portion includes a first material layer, and the multi-layer portion includes a first material layer continuously connected from the first material layer of the single-layer portion and a second material layer on at least one of a front surface or a rear surface of the first material layer.