公开(公告)号：US20240363976A1

公开(公告)日：2024-10-31

申请号：US18764651

申请日：2024-07-05

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenwei CHEN ,  Haibo KE ,  Xiaoping ZHANG ,  Quankun LI ,  Kaihuan YANG

IPC: H01M50/533 ,  H01M50/103 ,  H01M50/55 ,  H01M50/583

CPC classification number: H01M50/533 ,  H01M50/103 ,  H01M50/55 ,  H01M50/583 ,  H01M2200/103 ,  H01M2220/20

Abstract: Provided are a connecting assembly, a battery cell, a battery, and a power consumption device. The connecting assembly is used for a battery cell. The connecting assembly includes: a connector, including a first connecting portion for connecting a tab of an electrode assembly, a second connecting portion for connecting an electrode terminal, and a third connecting portion for connecting the first connecting portion and the second connecting portion, where a fusing portion is formed between the first connecting portion and the third connecting portion, and the third connecting portion has a first surface facing the electrode assembly; a first insulator wrapping the fusing portion; and a second insulator covering at least a portion of the first surface, where the second insulator and the first insulator are integrally formed.

公开(公告)号：US20240356179A1

公开(公告)日：2024-10-24

申请号：US18755899

申请日：2024-06-27

Applicant: NORTHVOLT AB

Inventor： Rodyn GILHARRY ,  Csaba DOBI ,  Daniela BOK ,  Sang EUN CHEON

IPC: H01M50/569 ,  H01M10/04 ,  H01M10/42 ,  H01M50/103 ,  H01M50/176 ,  H01M50/548 ,  H01M50/553

CPC classification number: H01M50/569 ,  H01M10/0468 ,  H01M10/0486 ,  H01M10/425 ,  H01M50/103 ,  H01M50/176 ,  H01M50/548 ,  H01M50/553

Abstract: An electrode plate assembly for a secondary battery module is disclosed, comprising a plurality of cells (100) arranged in a vertical stack (10). Each cell of the stack comprises a positive electrode plate (110), a negative electrode plate, and a separator. The separator is interposed between the positive electrode plate and the negative electrode plate and configured allow ions to move between the positive electrode plate and the negative electrode plate. The electrode plate assembly further comprises a plurality of contacting means (140) for electrical monitoring of the cells, wherein each of the plurality of contacting means is electrically connected to at least one of the positive and negative electrode plates of a respective one of the cells and arranged to protrude laterally from a side edge (101, 102, 103) of the cell. The contacting means are distributed spatially along a width (W) of the stack.

公开(公告)号：US20240347879A1

公开(公告)日：2024-10-17

申请号：US18635506

申请日：2024-04-15

Applicant: Volkswagen Aktiengesellschaft

Inventor： Lukas KWOCZEK ,  Frederik GRAU

IPC: H01M50/54 ,  H01M10/04 ,  H01M50/103 ,  H01M50/15 ,  H01M50/474 ,  H01M50/477 ,  H01M50/486

CPC classification number: H01M50/54 ,  H01M10/049 ,  H01M50/103 ,  H01M50/15 ,  H01M50/474 ,  H01M50/477 ,  H01M50/486

Abstract: A battery cell having a layer stack including anode layers and corresponding cathode layers. The anode and cathode layers being stacked alternately one on top of the other. A separator layer is arranged between each anode and cathode layer. Anode or cathode conductor tracks are guided laterally out of the layer stack at least from some of the anode layers and/or some of the cathode layers at least on a first end face of the layer stack. The anode conductor tracks or the cathode conductor tracks being combined in a bundled manner and each contacted on the anode current collector or on the cathode current collector. The bundles of the anode or cathode conductor tracks are each passed between two folds, and insulation layers are held in position by a spring action of their particular folds against a pressure being applied indirectly by the first cover.

公开(公告)号：US20240347819A1

公开(公告)日：2024-10-17

申请号：US18676528

申请日：2024-05-29

Applicant: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.

Inventor： Ulrike WUNDERWALD ,  Maximilian WASSNER

IPC: H01M50/121 ,  H01M10/54 ,  H01M50/103 ,  H01M50/105 ,  H01M50/107 ,  H01M50/124 ,  H01M50/129 ,  H01M50/133

CPC classification number: H01M50/121 ,  H01M10/54 ,  H01M50/103 ,  H01M50/105 ,  H01M50/107 ,  H01M50/1243 ,  H01M50/1245 ,  H01M50/129 ,  H01M50/133 ,  H01M2300/002

Abstract: Embodiments provide a casing for holding an ionic liquid comprising aluminum chloride, the casing being a multi-layer casing, the casing having a diffusion-tight layer, the casing having a layer comprising polyether ether ketone, PEEK, wherein, when the casing is filled with the ionic liquid having aluminum chloride, the layer having polyether ether ketone, PEEK, is arranged between the diffusion-tight layer and the ionic liquid having aluminum chloride.

公开(公告)号：US12119500B2

公开(公告)日：2024-10-15

申请号：US16765989

申请日：2018-11-21

Applicant: LiBEST INC.

Inventor： Joo Seong Kim ,  Jin Hong Ha ,  Gil Ju Lee

IPC: H01M50/103 ,  H01M10/0525 ,  H01M10/0585 ,  H01M50/121 ,  H01M50/124 ,  H01M50/533 ,  H01M50/54 ,  H01M50/572 ,  H01M50/574 ,  H01M50/579

CPC classification number: H01M50/103 ,  H01M10/0525 ,  H01M10/0585 ,  H01M50/121 ,  H01M50/124 ,  H01M50/533 ,  H01M50/54 ,  H01M50/572 ,  H01M50/574 ,  H01M50/579 ,  H01M2220/30

Abstract: A lithium ion secondary battery according to the present disclosure includes: an electrode assembly; and a case having a structure in which upper stamped portions and lower stamped portions are repeatedly stamped to cover the outside of the electrode assembly, and the upper stamped portions and the lower stamped portions form a corrugated pattern, and the electrode assembly includes: one or more unit cells each equipped with a pair of electrodes having different polarities with a separator interposed therebetween; an electrode mixture coated on one or both surfaces of the pair of electrodes; and electrode tabs protruded from the respective electrodes and not coated with the electrode mixture, and the electrode tabs include an electrode parallel connection tab and an electrode lead connection tab, and any one or more of the electrode parallel connection tab and the electrode lead connection tab is formed on the electrodes, and an elastic polymer film is overlapped on a local portion in the case.

公开(公告)号：US12107298B2

公开(公告)日：2024-10-01

申请号：US17278773

申请日：2019-09-05

Applicant: Panasonic Corporation

Inventor： Kiyomi Kozuki

IPC: H01M50/533 ,  H01M50/103 ,  H01M50/183 ,  H01M50/528 ,  H01M50/531

CPC classification number: H01M50/533 ,  H01M50/103 ,  H01M50/183 ,  H01M50/528 ,  H01M50/531

Abstract: A secondary battery has an electrode body, a sealing plate sealing an opening of a battery case, current collector tabs provided respectively on a positive and a negative electrode plate, current collector terminals disposed inside the sealing plate and connected respectively to the positive and the negative electrode plate with the respective current collector tabs interposed therebetween, and external terminals disposed outside the sealing plate and connected to the respective current collector terminals. The electrode body is accommodated in the battery case with the electrode current collector tabs being bent in a space inside the sealing plate, and each of the current collector tabs has a joined portion ultrasonically joined to the corresponding current collector terminal and a bend portion provided at a position away from the joined portion and on the electrode body side and serving as a starting portion at which the current collector tab is bent.

公开(公告)号：US20240313340A1

公开(公告)日：2024-09-19

申请号：US18676884

申请日：2024-05-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xinxiang CHEN ,  Yulian ZHENG ,  Shoujun HUANG ,  Yanyu LIU ,  Peng WANG

IPC: H01M50/342 ,  H01M50/103 ,  H01M50/15

CPC classification number: H01M50/3425 ,  H01M50/103 ,  H01M50/15 ,  H01M2200/20 ,  H01M2220/20

Abstract: A battery cell includes a housing, an electrode assembly, and a pressure relief mechanism. The electrode assembly is accommodated inside the housing. The pressure relief mechanism is arranged in the housing. The pressure relief mechanism includes a weakened portion, a body portion, and a connecting portion. The weakened portion is configured to be damaged to release a pressure inside the housing when the pressure reaches a threshold. The body portion is located in a region enclosed by the weakened portion, and the connecting portion is located on an outer side of the weakened portion and is configured to be welded to the housing. The body portion is provided with a first groove, and the first groove is configured to release a stress when the connecting portion is welded to the housing.

公开(公告)号：US20240313303A1

公开(公告)日：2024-09-19

申请号：US18669484

申请日：2024-05-20

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Denghua LIN ,  Long CHEN ,  Xinxiang CHEN ,  Yulian ZHENG ,  Haizu JIN ,  Peng WANG ,  Shoujun HUANG

IPC: H01M50/103 ,  H01M50/133 ,  H01M50/15 ,  H01M50/55

CPC classification number: H01M50/103 ,  H01M50/133 ,  H01M50/15 ,  H01M50/55

Abstract: The present application provides a battery cell, a battery, and an electrical device. The battery cell includes a shell, an electrode assembly, and a first insulating member. The shell has a wall. The electrode assembly is accommodated in the shell and includes a main body and a tab. The tab protrudes from one end of the main body in a thickness direction of the wall. The first insulating member is accommodated in the shell, the first insulating member includes an insulating body and a limit portion, the insulating body is disposed between the wall and the electrode assembly in the thickness direction of the wall, the limit portion is connected to the insulating body, and at least a portion of the limit portion is located between the main body and the shell in a first direction, where the first direction is perpendicular to the thickness direction of the wall.

公开(公告)号：US12087953B2

公开(公告)日：2024-09-10

申请号：US16490831

申请日：2018-02-14

Applicant: Samsung SDI Co., Ltd.

Inventor： Joong Hun Kim

IPC: H01M50/553 ,  H01M50/103 ,  H01M50/147 ,  H01M50/176 ,  H01M50/55 ,  H01M50/562 ,  H01M50/566 ,  H01M50/533 ,  H01M50/54

CPC classification number: H01M50/147 ,  H01M50/103 ,  H01M50/176 ,  H01M50/55 ,  H01M50/553 ,  H01M50/562 ,  H01M50/566 ,  H01M50/533 ,  H01M50/54

Abstract: Various embodiments of the present invention relate to a secondary battery and aim to simplify the structure of a terminal part to minimize the space taken up by parts inside a case. To this end, provided in the present invention is a secondary battery comprising: an electrode assembly for a prismatic secondary battery; a case for a prismatic secondary battery for accommodating the electrode assembly; a cap plate coupled to the case; and a terminal part which is coupled to a side portion of the electrode assembly and is extendedly bent from the side portion to an upper portion of the electrode assembly, wherein the terminal part includes a bent part which is bent upward from an end part connected to the upper portion of the electrode assembly to protrude out of the cap plate.

公开(公告)号：US20240297376A1

公开(公告)日：2024-09-05

申请号：US18662821

申请日：2024-05-13

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Chuan LI ,  Zhijun GUO ,  Yuyong LEI ,  Peng WANG ,  Mengkai CAO

IPC: H01M50/103 ,  B60R16/033 ,  H01M50/107 ,  H01M50/133 ,  H01M50/15 ,  H01M50/152 ,  H01M50/169 ,  H01M50/209 ,  H01M50/249 ,  H01M50/289 ,  H01M50/548

CPC classification number: H01M50/103 ,  H01M50/107 ,  H01M50/133 ,  H01M50/15 ,  H01M50/152 ,  H01M50/169 ,  H01M50/209 ,  H01M50/249 ,  H01M50/289 ,  H01M50/548 ,  B60R16/033 ,  H01M2220/20

Abstract: A battery cell includes a housing and a cover. The housing is provided with an opening and a chamber. The housing includes an opening part and a body part, where the opening part surrounds the opening and the body part surrounds the chamber. The cover is connected to the opening part and closes the opening. At least a partial region of the body part is recessed relative to the opening part to form a recessed zone, a thickness of the recessed zone being less than that of the opening part.