公开(公告)号：US20240258664A1

公开(公告)日：2024-08-01

申请号：US18564995

申请日：2022-10-28

申请人： LG ENERGY SOLUTION, LTD.

发明人： Jin-Yi CHOI ,  Duk-Hyun RYU

IPC分类号： H01M50/586 ,  H01M10/04 ,  H01M50/107 ,  H01M50/249 ,  H01M50/583 ,  H01M50/595

CPC分类号： H01M50/586 ,  H01M10/0431 ,  H01M50/107 ,  H01M50/249 ,  H01M50/583 ,  H01M50/595 ,  H01M2220/20

摘要： A cylindrical battery cell, a battery pack and a vehicle including the same are provided. The cylindrical battery cell includes an electrode assembly having a first electrode plate and a second electrode plate wound in one direction with a separator being interposed therebetween, the first electrode plate including a first uncoated region in which an active material layer is not coated at an end of a long side, the first uncoated region providing a plurality of winding turns with respect to a center of the electrode assembly; a battery can having an open portion and a partial closed portion provided at a side opposite of the open portion; a current collector plate electrically connected to the first uncoated region of the first electrode plate and having a fusing portion that is cut off when an overcurrent flows; and a cell terminal.

公开(公告)号：US20240234794A1

公开(公告)日：2024-07-11

申请号：US17927753

申请日：2022-01-10

申请人： HEFEI GOTION HIGH-TECH POWER ENERGY CO., LTD.

发明人： Xingwu XU ,  Shaoxiong LIN ,  Chaohui LIU

IPC分类号： H01M10/0525 ,  H01M10/058 ,  H01M50/533 ,  H01M50/593 ,  H01M50/595 ,  H01M50/627

CPC分类号： H01M10/0525 ,  H01M10/058 ,  H01M50/533 ,  H01M50/593 ,  H01M50/595 ,  H01M50/627

摘要： Related are a lithium ion battery pre-lithiation method and a lithium ion battery. The method includes: before injecting an electrolyte, arranging more than one lithium source composite piece in a core body, and connecting at least one lithium source composite piece with a negative electrode lug of the lithium ion battery; and injecting the electrolyte, so that the lithium source composite piece is immersed in the electrolyte, and pre-lithiating a negative electrode.

公开(公告)号：US20240213637A1

公开(公告)日：2024-06-27

申请号：US18392779

申请日：2023-12-21

申请人： Dongguan Amperex Technology Limited

发明人： Taosheng WANG ,  Xuecheng LI

IPC分类号： H01M50/595 ,  H01M50/586 ,  H04M1/02

CPC分类号： H01M50/595 ,  H01M50/586 ,  H04M1/0262 ,  H01M2220/30

摘要： A bonding tape for a battery includes a first adhesive layer, a second adhesive layer, a substrate layer, and an original film. The first adhesive layer and the second adhesive layer are located on two sides of the substrate layer respectively. The first adhesive layer is bonded to a battery. The second adhesive layer includes a first region and a second region. The original film is disposed in the first region. The second region is bonded to a battery compartment. A through-hole is created on the original film. The bonding tape of this application reduces an overall thickness of adhesive tape, improves the energy density of the battery, and at the same time, improves the anti-drop performance of the battery and increases a drop window pass rate.

公开(公告)号：US20240204380A1

公开(公告)日：2024-06-20

申请号：US18287272

申请日：2022-05-13

申请人： LG Energy Solution, Ltd.

发明人： Ji Sun Lee ,  Mi Ae An ,  Jung Shik Oh

IPC分类号： H01M50/595 ,  H01M50/533 ,  H01M50/586

CPC分类号： H01M50/595 ,  H01M50/533 ,  H01M50/586

摘要： The present application relates to an electrode tab protection tape and a secondary battery including the same. More particularly, an electrode tab protection tape attached to an electrode tab manufactured by applying a thin film material to prevent disconnection due to cracks of the electrode tab from occurring and allow current to continuously flow so as to prevent operation failure of the secondary battery from occurring, and a secondary battery including the same.
The electrode tab protection tape according to the present invention includes an adhesion layer and an insulating layer provided on one surface of the adhesion layer, where the adhesion layer includes an adhesive and a conductive material.

公开(公告)号：US20240079751A1

公开(公告)日：2024-03-07

申请号：US18272694

申请日：2022-03-22

申请人： LG Energy Solution, Ltd.

发明人： Suhan Park ,  Younghwan Lee

IPC分类号： H01M50/586 ,  H01M10/04 ,  H01M10/647 ,  H01M50/595

CPC分类号： H01M50/586 ,  H01M10/0413 ,  H01M10/0459 ,  H01M10/647 ,  H01M50/595

摘要： An electrode assembly and a secondary battery including the electrode assembly improve the safety of secondary batteries even under a high-temperature and heat-shrinkage environment of the separator. The electrode assembly includes a cathode plate, an anode plate corresponding to the cathode plate, and first and second separators that are disposed adjacent to each other with the cathode plate or the anode plate interposed therebetween. At least one end of the first separator is adhered to at least one end of the second separator along the longitudinal direction of the cathode plate and the anode plate. At least one end of the first and second separators is folded so as to form a folded part of the first and second separators and wrap the cathode plate or the anode plate. The electrode assembly further includes an insulating tape covering the folded part of the first and second separators.

公开(公告)号：US20240055741A1

公开(公告)日：2024-02-15

申请号：US18269470

申请日：2021-12-22

申请人： LG ENERGY SOLUTION, LTD.

发明人： So Yeon KIM ,  Jang Bae KIM ,  Do Hyeong KIM ,  Kwan Soo LEE

IPC分类号： H01M50/595 ,  H01M10/04

CPC分类号： H01M50/595 ,  H01M10/0431

摘要： A winding type electrode assembly includes a positive electrode having a positive electrode collector that includes a positive electrode active material portion and a positive electrode non-coating portion; a positive electrode tab provided on the positive electrode non-coating portion; a negative electrode having a negative current collection that includes a negative electrode active material portion and a negative electrode non-coating portion; a negative electrode tab provided on the negative electrode non-coating portion; a protective tape and a separator configured to insulate the positive electrode from the negative electrode. The negative electrode non-coating portion includes a core-side negative electrode non-coating portion disposed at a core when the positive electrode, the negative electrode, and the separator are wound. The negative electrode tab is disposed on one surface of opposite surfaces of the core-side negative electrode non-coating portion. The protective tape is attached over the core-side negative electrode non-coating portion.

公开(公告)号：US11894569B2

公开(公告)日：2024-02-06

申请号：US17967370

申请日：2022-10-17

申请人： Shenzhen Hithium Energy Storage Technology Co., Ltd. ,  Xiamen Hithium Energy Storage Technology Co., Ltd.

发明人： Tingting Wu ,  Junmin Feng ,  Wancai Zhang

IPC分类号： H01M50/264 ,  H01M50/593 ,  H01M50/209 ,  H01M50/595

CPC分类号： H01M50/264 ,  H01M50/209 ,  H01M50/593 ,  H01M50/595

摘要： A fixing assembly for a battery module and a battery pack are provided. The fixing assembly for the battery module includes an end plate, a fixing member, and a first band. The end plate is provided with a limiting member protruding from a surface of the end plate. The fixing member is configured to connect multiple battery modules and abut against the surface of the end plate provided with the limiting member, such that the fixing member, the limiting member, and the end plate can cooperatively define a positioning region. The first band is configured to abut against the surface of the end plate provided with the limiting member to bind the battery module. The first band abuts against the positioning region, such that the fixing member and the limiting member can cooperatively abut against the first band.

公开(公告)号：US20240014518A1

公开(公告)日：2024-01-11

申请号：US18035009

申请日：2022-04-12

申请人： LG Energy Solution, Ltd.

发明人： Jong Hun Kim

IPC分类号： H01M50/533 ,  H01M50/103 ,  H01M50/15 ,  H01M50/171 ,  H01M50/595 ,  H01M50/54 ,  H01M50/209 ,  H01M50/51 ,  H01M50/512

CPC分类号： H01M50/533 ,  H01M50/103 ,  H01M50/15 ,  H01M50/171 ,  H01M50/595 ,  H01M50/54 ,  H01M50/209 ,  H01M50/51 ,  H01M50/512

摘要： A rechargeable battery include: an electrode stack that includes a first electrode, a second electrode, and a separator disposed therebetween; and a battery case that accommodates the electrode stack. The battery case includes a first case and a second case, and the first case and the second case are bonded by an insulation bonding portion to seal an inner space of the battery case. The first electrode includes a first electrode current collector and a first electrode active material-layer, and the second electrode includes a second electrode current collector and a second electrode active material layer. The first electrode current collector includes a first protruded portion protruded in a first direction, and the second electrode current collector includes a second protruded portion protruded in a second direction. The first protruded portion is bonded to the first case, and the second protruded portion is bonded to the second case.

公开(公告)号：US20230411799A1

公开(公告)日：2023-12-21

申请号：US18099197

申请日：2023-01-19

申请人： REPT BATTERO Energy Co., Ltd. ,  Shanghai Ruipu Energy Co., Ltd.

发明人： Hui CAO ,  Peng HU ,  Xingdong WANG ,  Min HOU ,  Xianfeng YU ,  Wei LIU ,  Lingwei JIN ,  Yunlong CAI ,  Zhaoyu YU ,  Shiming WU

IPC分类号： H01M50/516 ,  H01M50/209 ,  H01M50/296 ,  H01M50/503 ,  H01M50/262 ,  H01M50/276 ,  H01M50/595

CPC分类号： H01M50/516 ,  H01M50/209 ,  H01M50/296 ,  H01M50/595 ,  H01M50/262 ,  H01M50/276 ,  H01M50/503

摘要： A secondary battery comprises a secondary battery assembly, the secondary battery assembly comprises an electric cell assembly, a transfer conductor and an insulation plate, wherein the electric cell assembly comprises at least two electric cells arranged side by side, and each electric cell has a tab extending from the top surface of the electric cell. The transfer conductor is provided with a transfer conductor tab assembly part. The insulation plate is located between the electric cell assembly and the transfer conductor, and the insulation plate is provided with a plate tab matching part, wherein, the folded tab passes through the plate tab matching part of the base plate and the transfer conductor tab assembly part in turn, and then is welded with the transfer conductor. The secondary battery of the application features short tabs, good battery performance, high safety, high assembly efficiency and low cost.

公开(公告)号：US20240313376A1

公开(公告)日：2024-09-19

申请号：US18369633

申请日：2023-09-18

申请人： Hainan Xunwei Technology Co., Ltd.

发明人： Gonghai FU

IPC分类号： H01M50/593 ,  H01M10/647 ,  H01M10/658 ,  H01M50/209 ,  H01M50/503 ,  H01M50/522 ,  H01M50/595

CPC分类号： H01M50/593 ,  H01M10/647 ,  H01M10/658 ,  H01M50/209 ,  H01M50/503 ,  H01M50/522 ,  H01M50/595

摘要： A battery assembly is provided. The battery assembly includes: at least one first battery cell, at least one second battery cell which is stacked with the first battery cell, and at least one first protection member configured for preventing short circuit between the first battery cell and the second battery cell. The first battery cell and the second battery cell each comprise tabs, and the tabs include a first tab and a second tab. One of the first tab and the second tab of the first battery cell is electrically connected to one of the first tab and the second tab of the second battery cell, to form a first series tab assembly.