公开(公告)号：US11870103B2

公开(公告)日：2024-01-09

申请号：US16878941

申请日：2020-05-20

Applicant: LiBEST INC.

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

IPC: H01M50/54 ,  H01M50/536 ,  H01M50/534

CPC classification number: H01M50/54 ,  H01M50/534 ,  H01M50/536

Abstract: An electrode assembly according to the present disclosure 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 located on the edges of 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 are formed on the electrodes, and an outermost electrode is a negative electrode.

公开(公告)号：US20230420809A1

公开(公告)日：2023-12-28

申请号：US18140328

申请日：2023-04-27

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Ryo KAGAMI

IPC: H01M50/54 ,  H01M50/105 ,  H01M50/178

CPC classification number: H01M50/54 ,  H01M50/105 ,  H01M50/178

Abstract: In a battery, each current collector tab includes a root portion, a connection portion, and an intermediate portion. Current collector tabs include a laminated connection portion in which the connection portions are laminated. A current collector terminal includes an inner surface facing a side surface portion of an electrode body, and a side surface disposed along an outer edge of the inner surface. A laminate film is disposed on the side surface. A main surface of the laminated connection portion is joined to the inner surface. In a plan view in an electrode body laminating direction, the current collector terminal includes a base portion including a first end portion corresponding to the position of the inner surface and a second end portion opposite to the first end portion, and a protruding portion protruding from the base portion to an opposite side of the base portion from the electrode body.

公开(公告)号：US11855292B2

公开(公告)日：2023-12-26

申请号：US16850642

申请日：2020-04-16

Applicant: Cardiac Pacemakers, Inc.

Inventor： Kurt E. Koshiol ,  Ignacio Chi ,  Joseph Charles Delmedico

IPC: H01M4/70 ,  H01M50/516 ,  H01M50/209 ,  H01M50/54 ,  H01M50/507 ,  H01M50/103 ,  H01M50/55 ,  H01M50/553 ,  A61N1/37

CPC classification number: H01M4/70 ,  H01M50/103 ,  H01M50/209 ,  H01M50/507 ,  H01M50/516 ,  H01M50/54 ,  H01M50/55 ,  H01M50/553 ,  A61N1/3706

Abstract: Embodiments herein relate to simplified and space efficient designs for multiplate batteries. In an embodiment, an electrochemical cell is included having an multiplate anode and multiplate cathode with a separator to provide physical separation between anode and cathode plates. Anode collectors can be in electrical communication with each anode plate and anode tabs in electrical communication with each anode collector. Cathode collectors can be in electrical communication with each cathode plate and cathode tabs in electrical communication with each cathode collector. An anode busbar can interconnect the plurality of anode tabs in parallel and a cathode busbar can interconnect the plurality of cathode tabs in parallel. The cathode busbar can be oriented such that the cathode tabs are not disposed between the cathode busbar and the plurality of cathode plates. Other embodiments are also included herein.

公开(公告)号：US11824164B2

公开(公告)日：2023-11-21

申请号：US16345206

申请日：2017-11-17

Applicant: Samsung SDI Co., Ltd.

Inventor： Chanjin Choi ,  Gisung Kim ,  Jae Kyung Cho

IPC: H01M10/0583 ,  H01M10/04 ,  H01M50/54 ,  H01M50/46 ,  H01M50/466

CPC classification number: H01M10/0583 ,  H01M10/04 ,  H01M10/0459 ,  H01M50/46 ,  H01M50/466 ,  H01M50/54

Abstract: A rechargeable battery, an electrode assembly, and an electrode assembly manufacturing method are disclosed. The electrode assembly includes: a separator configured to include a first insertion portion formed in a first direction and a second insertion portion formed in a second direction, which are alternatively stacked; a first electrode inserted into the first insertion portion; a second electrode inserted into the second insertion portion while the separator is disposed between the first electrode and the second electrode; a sealing portion configured to bond opposite surfaces of the separator into which the first electrode and the second electrode are inserted with the separator interposed therebetween; and a lead tab configured to include a first current collecting tab connected to the first electrode and a second current collecting tab connected to the second electrode.

公开(公告)号：US11821957B2

公开(公告)日：2023-11-21

申请号：US16637547

申请日：2018-08-22

Applicant: SAFT

Inventor： Patrick Bernard ,  Philippe Borel ,  Laure Le-Guenne ,  Gerard Rigobert

IPC: H01M10/48 ,  H01M10/0525 ,  H01M10/42 ,  H01M4/04 ,  H01M4/06 ,  H01M10/04 ,  G01R31/364 ,  G01R31/392 ,  H01M50/46 ,  H01M4/02 ,  H01M50/54

CPC classification number: G01R31/392 ,  G01R31/364 ,  H01M4/0438 ,  H01M4/06 ,  H01M10/0409 ,  H01M10/0525 ,  H01M10/425 ,  H01M10/48 ,  H01M50/46 ,  H01M50/54 ,  H01M2004/021 ,  H01M2004/027 ,  H01M2004/028

Abstract: The invention relates to an electrochemical element and a battery comprising one or more electrochemical elements, with integrated sensors and/or actuators, in particular including an application for monitoring the operation of an electrochemical element or a Li-ion battery, and/or triggering actions in such an element or such a battery, intended to secure the element or the battery. The electrochemical element (1) comprises a closed shell (2) defining an internal volume and a beam (3) arranged therein having alternating positive and negative electrodes respectively connected to two positive and negative electrical output terminals housing separators, the beam (3) being impregnated with electrolyte and further connected by connection means (4) to one (5) of the electrical output terminals. It further comprises one or mote self-powered sensor and/or actuator elements (20 to 24) each arranged in contact with one component selected from the shell (2), the beam (3), the connection means (4), and the output terminal (5), and capable of measuring a physical or chemical magnitude relative to, and/or generating a physical action or effect on, the surroundings thereof.

公开(公告)号：US20230369729A1

公开(公告)日：2023-11-16

申请号：US18313380

申请日：2023-05-08

Applicant: SK ON CO., LTD.

Inventor： Dong Ju KIM ,  Sang Mo KIM ,  Sun Min PARK ,  Jae Gyu BYUN ,  Taek Eon JEONG

IPC: H01M50/54 ,  H01M50/105 ,  H01M50/593 ,  H01M50/536 ,  H01M10/04

CPC classification number: H01M50/54 ,  H01M10/04 ,  H01M50/105 ,  H01M50/536 ,  H01M50/593

Abstract: A battery cell includes an electrode assembly, an electrode tab drawn out from one surface of the electrode assembly, and an electrode lead to which the electrode tab is coupled, wherein a bonding portion in which the electrode tab and the electrode lead are bonded to each other is disposed to face the electrode assembly, and wherein, in the bonding portion, an end of the electrode tab and an end of the electrode lead are disposed to be oriented in the same direction.

公开(公告)号：US20230352742A1

公开(公告)日：2023-11-02

申请号：US18310537

申请日：2023-05-02

Applicant: SK ON CO., LTD.

Inventor： Sun Min PARK ,  Dong Ju KIM ,  Sang Mo KIM ,  Jae Gyu BYUN ,  Seul Gi SHIN ,  Taek Eon JEONG

IPC: H01M10/0585 ,  H01M4/04 ,  H01M10/052 ,  H01M50/54

CPC classification number: H01M10/0585 ,  H01M4/04 ,  H01M10/052 ,  H01M50/54

Abstract: Provided are an electrode comprising a coated portion that is coated with an active material; an uncoated portion that is not coated with the active material; and at least one selected from the group consisting of a first straight section formed by cutting out a part of the boundary region between the coated portion and the uncoated portion and a second straight section formed by cutting out an edge of the coated portion; an electrode assembly comprising the same; and a manufacturing method of the electrode assembly.

公开(公告)号：US20230318151A1

公开(公告)日：2023-10-05

申请号：US18177630

申请日：2023-03-02

Applicant: ZHUHAI COSMX BATTERY CO., LTD.

Inventor： Zhida Wei ,  Jichun Xie ,  Zhifeng Wang ,  Hui Zhang

IPC: H01M50/536 ,  H01M10/0585 ,  H01M50/593 ,  H01M50/553 ,  H01M50/588 ,  H01M50/533 ,  H01M50/103 ,  H01M50/586 ,  H01M50/54

CPC classification number: H01M50/533 ,  H01M10/0585 ,  H01M50/103 ,  H01M50/536 ,  H01M50/54 ,  H01M50/553 ,  H01M50/586 ,  H01M50/588 ,  H01M50/593

Abstract: The present disclosure provides a battery including a housing enclosed to form a chamber and including a first side plate; a cell located in the chamber, a side of the cell facing the first side plate being provided with a first tab; a first transfer member electrically connected with the first tab and disposed between the first side plate and the cell; and a first connector including a first connection sheet connected with the first transfer member and a fourth connection sheet connected with a side of the first tab facing away from the cell. The present disclosure can improve the battery performance such as stability and safety.

公开(公告)号：US20230318119A1

公开(公告)日：2023-10-05

申请号：US18024540

申请日：2021-08-23

Applicant: LG Energy Solution, Ltd.

Inventor： Won Pill Hwang ,  Seung Ho Na ,  Sang Ho Bae ,  Kwan Bo Lee ,  Yoon Beom Lee ,  Shin Chul Kim ,  Su Taek Jung ,  Chang Min Han

IPC: H01M50/325 ,  H01M50/186 ,  H01M50/54 ,  H01M50/126 ,  H01M10/04 ,  H01M50/105

CPC classification number: H01M50/325 ,  H01M50/186 ,  H01M50/54 ,  H01M50/126 ,  H01M10/0481 ,  H01M10/049 ,  H01M50/105

Abstract: A secondary battery includes: an electrode assembly; an electrode lead; a battery case with an accommodation portion for the electrode assembly and a sealing portion sealing the accommodation portion; and a lead film. The sealing portion includes a connection-sealing region connected to the accommodation portion, a front end-sealing region, and a reinforcement-sealing region therebetween. The reinforcement-sealing region includes a compressed surface, provided in the sealing portion between the connection-sealing region and the front end-sealing region and recessed into the sealing portion, and raised surfaces, provided in the sealing portion between the connection-sealing region and the compressed surface and between the front end-sealing region and the compressed surface and each of which is formed thicker than the compressed surface. The battery case has a resin layer, a metal layer, and an insulating layer. The resin layer of the raised surface is formed thicker than the resin layer of the compressed surface.

公开(公告)号：US20230299433A1

公开(公告)日：2023-09-21

申请号：US18033212

申请日：2022-04-19

Applicant: LG Energy Solution, Ltd.

Inventor： Hee Yoon Cho ,  Young Seok Baek

IPC: H01M50/536 ,  H01M50/54 ,  H01M50/595 ,  H01M50/533

CPC classification number: H01M50/536 ,  H01M50/54 ,  H01M50/595 ,  H01M50/533

Abstract: Provided is a method for welding an electrode assembly comprising stacking a plurality of electrodes to manufacture the electrode assembly, attaching a buffer tab to a surface of an outermost electrode tab of the electrode assembly, and welding a lead such that a plurality of electrode tabs and the lead are in contact with each other to dispose the buffer tab therebetween. The electrode assembly comprises the stacked plurality of electrodes comprising the lead welded to the plurality of electrode tabs, and each electrode tab of the plurality of electrode tabs protrudes in one direction from the plurality of electrodes. The buffer tab may be attached, before the welding, to the surface of the outermost electrode tab to minimize or prevent damage to the electrode tab due to pressure applied by a welding rod.