公开(公告)号：US12126052B2

公开(公告)日：2024-10-22

申请号：US17643706

申请日：2021-12-10

Applicant: Samsung SDI Co., Ltd.

Inventor： Min Yeol Han

IPC: H01M50/54 ,  H01M50/30

CPC classification number: H01M50/54 ,  H01M50/30

Abstract: A secondary battery including: an electrode assembly including a first electrode plate having a first electrode tab, a second electrode plate having a second electrode tab, and a separator between the first electrode plate and the second electrode plate; and a case accommodating the electrode assembly. The separator includes an extension part extending in a direction in which gas is discharged to the outside of the case.

公开(公告)号：US12095040B2

公开(公告)日：2024-09-17

申请号：US18106689

申请日：2023-02-07

Applicant: Enovix Corporation

Inventor： Robert S. Busacca ,  Ashok Lahiri ,  Murali Ramasubramanian ,  Bruno A. Valdes ,  Gardner Cameron Dales ,  Christopher J. Spindt ,  Geoffrey Matthew Ho ,  Harrold J. Rust, III ,  James D. Wilcox ,  John F. Varni ,  Kim Han Lee ,  Nirav S. Shah ,  Richard J. Contreras ,  Lynn Van Erden ,  Ken S. Matsubayashi ,  Jeremie J. Dalton ,  Jason Newton Howard ,  Robert Keith Rosen

IPC: H01M10/0585 ,  H01M50/40 ,  H01M50/491 ,  H01M50/497 ,  H01M50/531 ,  H01M50/54

CPC classification number: H01M10/0585 ,  H01M50/40 ,  H01M50/491 ,  H01M50/531 ,  H01M50/497 ,  H01M50/54

Abstract: A secondary battery for cycling between a charged and a discharged state, wherein a 2D map of the median vertical position of the first opposing vertical end surface of the electrode active material in the X-Z plane, along the length LE of the electrode active material layer, traces a first vertical end surface plot, EVP1, a 2D map of the median vertical position of the first opposing vertical end surface of the counter-electrode active material layer in the X-Z plane, along the length LC of the counter-electrode active material layer, traces a first vertical end surface plot, CEVP1, wherein for at least 60% of the length LC of the first counter-electrode active material layer (i) the absolute value of a separation distance, SZ1, between the plots EVP1 and CEVP1 measured in the vertical direction is 1000 μm≥|SZ1|≥5 μm.

公开(公告)号：US12087947B2

公开(公告)日：2024-09-10

申请号：US17471499

申请日：2021-09-10

Applicant: Enovix Corporation

Inventor： Robert S. Busacca ,  Ashok Lahiri ,  Murali Ramasubramanian ,  Bruno A. Valdes ,  Gardner Cameron Dales ,  Christopher J. Spindt ,  Geoffrey Matthew Ho ,  Harrold J. Rust, III ,  James D. Wilcox ,  John F. Varni ,  Kim Han Lee ,  Nirav S. Shah ,  Richard J. Contreras ,  Lynn Van Erden ,  Ken S. Matsubayashi ,  Jeremie J. Dalton ,  Jason Newton Howard ,  Robert Keith Rosen ,  Jonathan C. Doan ,  Michael J. Armstrong ,  Anthony Calcaterra ,  Benjamin L. Cardozo ,  Joshua David Winans ,  Neelam Singh ,  Jeffrey Glenn Buck ,  Thomas John Schuerlein ,  Kim Lester Fortunati ,  Neal Sarswat

IPC: H01M10/0525 ,  H01M4/134 ,  H01M4/38 ,  H01M4/48 ,  H01M4/525 ,  H01M4/66 ,  H01M10/04 ,  H01M10/054 ,  H01M10/0565 ,  H01M10/0585 ,  H01M50/103 ,  H01M50/46 ,  H01M50/54 ,  H01M4/02

CPC classification number: H01M4/525 ,  H01M4/134 ,  H01M4/386 ,  H01M4/483 ,  H01M4/661 ,  H01M4/669 ,  H01M10/0436 ,  H01M10/0525 ,  H01M10/054 ,  H01M10/0565 ,  H01M10/0585 ,  H01M50/103 ,  H01M50/46 ,  H01M50/54 ,  H01M2004/027 ,  H01M2004/028

Abstract: Secondary batteries and methods of manufacture thereof are provided. A secondary battery can comprise an offset between electrode and counter-electrode layers in a unit cell. Secondary batteries can be prepared by removing a population of negative electrode subunits from a negative electrode sheet, the negative electrode sheet comprising a negative electrode sheet edge margin and at least one negative electrode sheet weakened region that is internal to the negative electrode sheet edge margin, removing a population of separator layer subunits from a separator sheet, and removing a population of positive electrode subunits from a positive electrode sheet, the positive electrode sheet comprising a positive electrode edge margin and at least one positive electrode sheet weakened region that is internal to the positive electrode sheet edge margin, and stacking members of the negative electrode subunit population, the separator layer subunit population and the positive electrode subunit population.

公开(公告)号：US20240283059A1

公开(公告)日：2024-08-22

申请号：US18650145

申请日：2024-04-30

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Hu XU ,  Xing LI ,  Haizu JIN ,  Shaojun NIU ,  Fenggang ZHAO

IPC: H01M50/103 ,  H01M50/538 ,  H01M50/54 ,  H01M50/548 ,  H01M50/586 ,  H01M50/593

CPC classification number: H01M50/103 ,  H01M50/538 ,  H01M50/54 ,  H01M50/548 ,  H01M50/586 ,  H01M50/593

Abstract: A battery cell includes: a housing; an electrode unit accommodated in the housing and including a first electrode assembly and a second electrode assembly which are disposed along a first direction, wherein the first electrode assembly and the second electrode assembly are arranged in parallel, the first electrode assembly includes a first body and a first tab, and the second electrode assembly includes a second body and a second tab, and wherein a polarity of the first tab is the same as a polarity of the second tab, and at least a part of the first tab and at least a part of the second tab are located between the first body and the second body; and a first electrode terminal disposed on the housing and electrically connected to the first tab and the second tab to export electric energies of the first electrode assembly and the second electrode assembly.

公开(公告)号：US12068505B2

公开(公告)日：2024-08-20

申请号：US17423310

申请日：2019-10-29

Applicant: LG ENERGY SOLUTION, LTD.

Inventor： Soon Hyung Choi ,  Sun Kyu Kim

IPC: H01M50/54 ,  H01M50/105 ,  H01M50/55

CPC classification number: H01M50/54 ,  H01M50/105 ,  H01M50/55

Abstract: A secondary battery includes an electrode assembly having positive electrodes, of which positive electrode tabs are connected to each other, and negative electrodes, of which negative electrode tabs are connected to each other, the electrode assembly having a quadrangular shape, a space part that is an empty space is defined between two sides facing each other, and the positive electrode tabs and the negative electrode tabs are positioned within the space part, a positive electrode lead having one end connected to the positive electrode tabs, a negative electrode lead having one end connected to the negative electrode tabs, and a pouch in which the electrode assembly is embedded is provided. The other end of the positive electrode lead and the other end of the negative electrode lead pass through the pouch to protrude from one of the largest surfaces of the pouch to the outside.

公开(公告)号：US20240274989A1

公开(公告)日：2024-08-15

申请号：US18411820

申请日：2024-01-12

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Atsushi YAMANAKA

IPC: H01M50/528 ,  H01M50/54 ,  H01M50/55

CPC classification number: H01M50/528 ,  H01M50/54 ,  H01M50/55

Abstract: A power storage device includes: an electrode assembly formed by stacking a plurality of electrodes; and a conductive member that is in contact with the electrode assembly. The conductive member includes: a conductive member body that overlaps with the electrode assembly in a stacking direction; and a current collector terminal. The conductive member body includes: an insulated region insulated from the electrode assembly; and an electrically conducting region, at least a part of the electrically conducting region being electrically connected to the electrode assembly. A distance between the current collector terminal and the electrically conducting region is greater than a distance between the current collector terminal and the insulated region.

公开(公告)号：US20240266615A1

公开(公告)日：2024-08-08

申请号：US18566997

申请日：2023-04-04

Applicant: LG ENERGY SOLUTION, LTD.

Inventor： Cheon Hee BOK ,  Joo Hwan SUNG

IPC: H01M10/42 ,  H01M10/0585 ,  H01M50/103 ,  H01M50/54 ,  H01M50/55 ,  H01M50/553

CPC classification number: H01M10/4235 ,  H01M10/0585 ,  H01M50/103 ,  H01M50/54 ,  H01M50/55 ,  H01M50/553

Abstract: Disclosed herein relates to an electrode assembly including: a plurality of unit cells, each unit cell comprising a positive electrode, a negative electrode, and a separator between the positive electrode and the negative electrode; and a protective stack layer on an outermost part of the electrode assembly, comprising a positive electrode foil, a negative electrode foil and a separator between the positive electrode foil and the negative electrode foil and on outer surfaces of the positive electrode foil and the negative electrode foil.

公开(公告)号：US12021269B2

公开(公告)日：2024-06-25

申请号：US17815216

申请日：2022-07-27

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Wenwei Chen ,  Xiaona Wang ,  Zige Zhang ,  Qingrui Xue ,  Chengdu Liang

IPC: H01M50/533 ,  H01M4/38 ,  H01M50/169 ,  H01M50/209 ,  H01M50/54 ,  H01M50/566

CPC classification number: H01M50/533 ,  H01M4/386 ,  H01M50/169 ,  H01M50/209 ,  H01M50/54 ,  H01M50/566 ,  H01M2220/20

Abstract: Embodiments provide an electrode assembly, a battery cell, a battery, an electrical apparatus, and a manufacturing method and device. In those embodiments, the electrode assembly includes: an electrode plate, including a main portion and at least one protruding portion. The main portion includes a metal substrate and an active material layer coated on a surface of the metal substrate. The protruding portion is connected to the metal substrate. The metal substrate protrudes along a length direction of the electrode assembly. Along a thickness direction of the electrode assembly, a size of at least a part of the protruding portion is greater than a size of the metal substrate. The electrode assembly according to the Embodiments aims to solve a technical problem of severe heat emission of a tab.

公开(公告)号：US12021204B2

公开(公告)日：2024-06-25

申请号：US17992309

申请日：2022-11-22

Applicant: LG Energy Solution, Ltd.

Inventor： Hyun Wook Jeon ,  Youngsun Yun

IPC: H01M10/42 ,  H01M10/48 ,  H01M50/20 ,  H01M50/211 ,  H01M50/258 ,  H01M50/262 ,  H01M50/50 ,  H01M50/502 ,  H01M50/507 ,  H01M50/517 ,  H01M50/528 ,  H01M50/54

CPC classification number: H01M10/425 ,  H01M10/482 ,  H01M50/20 ,  H01M50/211 ,  H01M50/258 ,  H01M50/262 ,  H01M50/50 ,  H01M50/502 ,  H01M50/507 ,  H01M50/517 ,  H01M50/528 ,  H01M50/54

Abstract: A battery module according to an exemplary embodiment of the present invention includes: a housing receiving a plurality of battery cells and including a bottom plate and a lateral plate; and a connection board disposed at one end or both ends of the housing, wherein the connection board is bonded to the lateral plate. The lateral plate may include a plurality of bus bar supporting members, at least some among the plurality of bus bar supporting members having a hooking protrusion protruded upward. The connection board may include a hooking member having a hooking groove opened downward. Thus, the hooking protrusion may be inserted into the hooking groove in a state in which the connection board is bonded to the lateral plate.

公开(公告)号：US20240204287A1

公开(公告)日：2024-06-20

申请号：US18542730

申请日：2023-12-17

Applicant: Volkswagen Aktiengesellschaft

Inventor： Benjamin BEDUERFTIG ,  Bastian SCHAAR ,  Anish GAUSH ,  Marvin CZECH ,  Mesut YURTSEVEN ,  Natascha VON ASPERN

IPC: H01M10/654 ,  H01M4/134 ,  H01M10/0585 ,  H01M50/342 ,  H01M50/54 ,  H01M50/553

CPC classification number: H01M10/654 ,  H01M4/134 ,  H01M10/0585 ,  H01M50/3425 ,  H01M50/54 ,  H01M50/553 ,  H01M2004/028

Abstract: A battery with a casing and a stack arranged within the casing. First electrodes and second electrodes are arranged alternately in the stack with the interposition of a separator. The first electrodes are electrically connected to a first battery terminal integrated into the casing, the second electrodes are electrically connected to a second battery terminal integrated into the casing. The electrodes each have an electrically conductive substrate and an active material layer on at least one side of the substrate. The substrates of the first electrodes and/or the second electrodes form a transverse projection on at least one side of the at least one associated active material layer. The transverse projections of the substrates of the first electrodes and/or the transverse projections of the substrates of the second electrodes are connected to a thermally conductive element. The at least one conductive element contacts the casing and/or forms a section thereof.