公开(公告)号：US20240396185A1

公开(公告)日：2024-11-28

申请号：US18673169

申请日：2024-05-23

Applicant: JIANGSU ZENERGY BATTERY TECHNOLOGIES CO., LTD.

Inventor： Wenjie XU ,  Juntai LU ,  Zhigao LUO ,  Li SHI

IPC: H01M50/54 ,  H01M10/0587 ,  H01M50/529 ,  H01M50/536

Abstract: The disclosure relates to the field of battery technology, and provides a cell, a battery and an electric device. At least one end of the cell is provided with a tab group. The tab group includes a plurality of layers of tabs arranged sequentially outward from the center of the cell, and each layer of the plurality of layers of tabs surround the center of the cell. Each layer of the plurality of layers of tabs includes a plurality of sub-tabs, a slit is provided between two adjacent sub-tabs in each layer of the plurality of layers of tabs, and the slits in two adjacent layers of the plurality of layers of tabs are misaligned, which is conducive to the flattening of the tabs and makes the tabs less likely to wrinkle, and in turn will not easily lead to poor welding between the tabs and the connecting member.

公开(公告)号：US20240322394A1

公开(公告)日：2024-09-26

申请号：US18418722

申请日：2024-01-22

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Sanghun PARK

IPC: H01M50/516 ,  H01M50/522 ,  H01M50/529 ,  H01M50/533 ,  H01M50/534

CPC classification number: H01M50/516 ,  H01M50/522 ,  H01M50/529 ,  H01M50/533 ,  H01M50/534

Abstract: A battery pack includes a battery cell; an electrode tab extending from the battery cell in a first direction; a connection tab overlapping and bonded to the electrode tab; and a soldering material bonding the electrode tab to the connection tab, wherein the connection tab includes a first metal material and the electrode tab includes second metal material, the first metal material having an affinity to the soldering material that is different from an affinity of the second metal material to the soldering material, the soldering material forms a soldering bridge that has two ends respectively corresponding to first and second thermal bonding points to a portion of the connection tab exposed by the electrode tab, and the soldering bridge connects the first and second thermal bonding points to each other and extends across a portion of the electrode tab between the first and second thermal bonding points.

公开(公告)号：US20240072347A1

公开(公告)日：2024-02-29

申请号：US18184729

申请日：2023-03-16

Applicant: SK On Co., Ltd.

Inventor： Ho Yeon KIM ,  Sang Tae AN ,  Hwa Kyoo YOON ,  Gang U LEE

IPC: H01M50/211 ,  H01M50/264 ,  H01M50/271 ,  H01M50/529

CPC classification number: H01M50/211 ,  H01M50/264 ,  H01M50/271 ,  H01M50/529 ,  H01M2220/20

Abstract: An eco-friendly power source, such as a battery module is provided for a transportation vehicle and includes a plurality of cell assemblies including a first cell assembly and a second cell assembly each including a plurality of battery cells; a connection member connected to the first cell assembly and the second cell assembly, respectively; a lower cover supporting the plurality of cell assemblies; and end cover spaced apart from the connection member, wherein the first cell assembly and the second cell assembly have at least one side opposing the connection member and the other side opposing the end cover.

公开(公告)号：US11916242B2

公开(公告)日：2024-02-27

申请号：US17065832

申请日：2020-10-08

Applicant: BRIGGS & STRATTON, LLC

Inventor： Jeffrey Zeiler ,  Jacob Schmalz ,  Nicholas Ziedler

IPC: H01M50/20 ,  H01M10/42 ,  H01M10/0525 ,  H01M50/502 ,  H01M50/529 ,  H01M50/557

CPC classification number: H01M50/20 ,  H01M10/0525 ,  H01M10/425 ,  H01M50/502 ,  H01M50/529 ,  H01M50/557 ,  H01M2010/4271 ,  H01M2010/4278

Abstract: A battery pack includes a cell module assembly, a primary power output, and a secondary output connector. The cell module assembly includes several lithium-ion battery cells connected in parallel. The primary power output includes a pair of terminals for connection to equipment to be powered by the battery pack. The secondary output connector includes a secondary power output for connection to equipment to be powered by the battery pack and includes an enable input. The primary power output is configured to supply electrical power at a voltage higher than the secondary power output connector. The secondary power output is controllable through the enable input to selectively supply electrical power from the secondary power output.

公开(公告)号：US11837739B2

公开(公告)日：2023-12-05

申请号：US18185698

申请日：2023-03-17

Applicant: Samsung SDI Co., Ltd.

Inventor： Nohyun Kwag

IPC: H01M10/6568 ,  H01M50/20 ,  H01M50/529 ,  H01M10/655 ,  H01M10/613 ,  H01M10/6561 ,  H01M10/6567 ,  H01M10/643

CPC classification number: H01M50/20 ,  H01M10/6568 ,  H01M50/529 ,  H01M10/613 ,  H01M10/643 ,  H01M10/655 ,  H01M10/6561 ,  H01M10/6567 ,  H01M2220/20 ,  Y02E60/10 ,  Y02T10/70

Abstract: A battery pack includes: battery cells, each including end portions in a height direction thereof; a case accommodating the battery cells and a cooling fluid; and first and second holder plates coupled to the case to face each other along the case such that the end portions of the battery cells are insertable therethrough, an accommodation space being defined between the first and second holder plates to accommodate the cooling fluid, and the case, the battery cells, and the first and second holder plates have heights in the height direction that satisfy the condition: a height between the first and second holder plates

公开(公告)号：US20230249554A1

公开(公告)日：2023-08-10

申请号：US18135318

申请日：2023-04-17

Applicant: CPS Technology Holdings LLC

Inventor： Ronald J. Dulle ,  Mark D. Gunderson ,  Bryan L. Thieme ,  Richard M. DeKeuster ,  Edward J. Soleski ,  Robert J. Mack ,  Gary P. Houchin-Miller ,  Stephen D. Cash ,  Lisa L. Winders ,  Jack L. Johnson

IPC: B60L3/00 ,  G01R31/3835 ,  H01M10/48 ,  B60L1/00 ,  B60L1/02 ,  B60L1/14 ,  B60L3/12 ,  B60L15/20 ,  H01M10/6551 ,  B60L50/61 ,  B60L50/16 ,  B60L50/51 ,  B60L58/21 ,  B60L58/26 ,  B60L50/60 ,  B60L50/64 ,  H05K1/02 ,  B60L58/15 ,  H01M50/50 ,  H01M50/308 ,  H01M50/528 ,  H01M50/529 ,  H01M50/30 ,  H01M50/342 ,  H01M50/358 ,  H01M50/367 ,  H01M50/583 ,  H01M50/569 ,  H01M50/507 ,  H01M50/264 ,  H01M50/271 ,  H01M50/291 ,  H01M50/287 ,  H01M50/209 ,  H01M50/502 ,  H01M50/543 ,  H01M50/572 ,  H01M50/35 ,  H01M50/20 ,  B60R16/03 ,  H01M10/42 ,  H01M10/058 ,  H01H47/32 ,  H01M10/04 ,  H05K1/18 ,  H05K3/32 ,  B60R16/033

CPC classification number: B60L3/0046 ,  G01R31/3835 ,  H01M10/486 ,  B60L1/003 ,  B60L1/02 ,  B60L1/14 ,  B60L3/12 ,  B60L15/20 ,  H01M10/6551 ,  B60L50/61 ,  B60L50/16 ,  B60L50/51 ,  B60L58/21 ,  B60L58/26 ,  B60L50/66 ,  B60L50/64 ,  H05K1/0218 ,  B60L58/15 ,  H01M50/50 ,  H01M50/308 ,  H01M50/528 ,  H01M50/529 ,  H01M50/30 ,  H01M50/342 ,  H01M50/358 ,  H01M50/367 ,  H01M50/583 ,  H01M50/569 ,  H01M50/507 ,  H01M50/264 ,  H01M50/271 ,  H01M50/291 ,  H01M50/287 ,  H01M50/209 ,  H01M50/502 ,  H01M50/543 ,  H01M50/572 ,  H01M50/35 ,  H01M50/20 ,  B60R16/03 ,  H01M10/425 ,  H01M10/058 ,  H01M10/4257 ,  H01H47/325 ,  H01M10/482 ,  H01M10/0413 ,  H05K1/18 ,  H05K3/32 ,  B60R16/033 ,  Y10T29/49108 ,  Y10T29/4911 ,  Y10T29/49114 ,  H01M2010/4278 ,  G01R31/385

Abstract: A battery module includes a housing, a plurality of battery cells disposed in the housing, and a printed circuit board (PCB) assembly disposed in the housing. The PCB assembly includes a PCB and a shunt disposed across a first surface of the PCB. A second surface of the shunt directly contacts the first surface of the PCB, and the shunt is electrically coupled between the battery cells and a terminal of the battery module.

公开(公告)号：US11670824B2

公开(公告)日：2023-06-06

申请号：US16749301

申请日：2020-01-22

Applicant: Samsung SDI Co., Ltd.

Inventor： Dae Sik Oh ,  Jun Hyoung Park ,  Yong Seok Oh

IPC: H01M50/169 ,  H01M50/166 ,  H01M50/529 ,  H01M50/10 ,  B23K9/02

CPC classification number: H01M50/169 ,  H01M50/10 ,  H01M50/166 ,  H01M50/529 ,  B23K9/0216

Abstract: The present disclosure relates to a secondary battery, which can improve the sealing efficiency of a can (or case). The secondary battery includes an electrode assembly; a case configured to accommodate the electrode assembly, the case including a bottom portion, long side portions and short side portions, at least one of which includes a welding portion that is configured to be bent and welded, and a cap plate coupled to the case, wherein a portion of the welding portion is overlap-welded.

公开(公告)号：US20230034276A1

公开(公告)日：2023-02-02

申请号：US17929307

申请日：2022-09-01

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Yu Tang ,  Zhimin Zeng ,  Haiqi Yang ,  Xiaoteng Huang ,  Peng Wang

IPC: H01M50/289 ,  H01M50/529 ,  H01M50/258 ,  H01M50/249 ,  H01M50/242

Abstract: A battery, a powered device, and a method and device for preparing a battery are provided. In some embodiments, the battery includes battery cells; a box body; and a partition assembly configured to partition the box body into a first accommodating portion and a second accommodating portion, wherein the first accommodating portion is configured to accommodate an electrical component, the second accommodating portion is configured to accommodate the battery cells, a communication portion is formed in the partition assembly, the electrical component and the battery cells are electrically connected via a connecting component, the connecting component penetrates the communication portion, the partition assembly has a first partition component and a second partition component that are connected, and the communication portion is formed by assembling the first partition component and the second partition component.

公开(公告)号：US11504840B2

公开(公告)日：2022-11-22

申请号：US16217187

申请日：2018-12-12

Applicant: BLACK & DECKER INC.

Inventor： Scott Rudolph ,  Paul S. White ,  Victor Yang

IPC: B25F5/02 ,  H02J7/00 ,  H01M50/213 ,  H01M50/529

Abstract: A tethering system for a power tool and battery pack includes a first tethering attachment assembly configured to be attachable to a power tool, and a second tethering attachment assembly configured to be attachable to a battery pack, which is detachably couplable to a battery pack receptacle on the power tool. A first flexible connector has a first end configured to be attachable to the first tethering attachment assembly and a second end configured to be attachable to a stationary object. A second elongated flexible connector has a first end configured to be attachable to the second tethering attachment assembly and a second end configured to be attachable to the first tethering attachment assembly. If the power tool falls and the battery pack becomes detached from the power tool, the first tethering attachment assembly and first flexible connector prevent the power tool from falling more than a first distance from the stationary object, and the second tethering attachment assembly and the second flexible connector prevent the battery pack from falling more than a second distance from the power tool.

公开(公告)号：US20210391630A1

公开(公告)日：2021-12-16

申请号：US17131619

申请日：2020-12-22

Applicant: CHINA LITHIUM BATTERY TECHNOLOGY CO., LIMITED

Inventor： Zhiyuan Chang ,  Xiaoyuan Du ,  Lihui Chang ,  Huanfei Li ,  Licheng Zheng

IPC: H01M50/507 ,  H01M50/529

Abstract: The disclosure relates to the technical field of batteries, and provides a battery module. The battery module includes battery box elements; a reinforcing member, which is attached to the end portion of the battery box elements, and is connected to the battery box elements. When the battery box element is a cuboid as a whole, it includes two large surfaces and four small surfaces, and the end portion of the battery box element is the small surface of the battery box element.