公开(公告)号：US11777164B2

公开(公告)日：2023-10-03

申请号：US17863650

申请日：2022-07-13

申请人： JIANGSU CONTEMPORARY AMPEREX TECHNOLOGY LIMITED

发明人： Xinxiang Chen ,  Peng Wang ,  Yulian Zheng ,  Xiaolong Dong ,  Chengdu Liang ,  Wei Li

IPC分类号： H01M50/184 ,  H01M50/636 ,  H01M50/148 ,  H01M50/645

CPC分类号： H01M50/184 ,  H01M50/148 ,  H01M50/636 ,  H01M50/645 ,  H01M2220/20

摘要： Embodiments of the present application provide a sleeve assembly, a cover plate assembly, a battery, and an electricity-consuming apparatus. The sleeve assembly is used for sealing a through hole. The sleeve assembly includes: a sleeve with an opening on at least one end; a nail body including a body portion. The size of the body portion is larger than the size of the barrel diameter of the sleeve. The body portion is configured to be inserted into the sleeve through the opening and press the inner wall of the sleeve after the sleeve is inserted into the through hole in the axial direction so as to form a protrusion for riveting the sleeve to the through hole on the outer wall of the sleeve.

公开(公告)号：US20230238642A1

公开(公告)日：2023-07-27

申请号：US18129740

申请日：2023-03-31

申请人： CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

发明人： Wanqiu MENG ,  Qian Liu ,  Yonghuang Ye ,  Wenzhong Liu ,  Xiaoxi Zhang ,  Longfei Xue

IPC分类号： H01M50/342 ,  H01M50/148 ,  H01M50/375

CPC分类号： H01M50/3425 ,  H01M50/148 ,  H01M50/375 ,  H01M2220/20

摘要： The present application provides a battery cell, including a cover plate, a housing, and a gas-permeable film. The housing has an opening, and the cover plate covers the opening of the housing. The cover plate and/or housing have/has at least one through hole, and the inside and the outside of the battery cell are in communication with each other via the through hole; and the gas-permeable film is connected to the inside of the cover plate and/or housing and covers the at least one through hole. According to the battery cell of the present application, gas inside a battery can be discharged to prevent the gas from accumulating inside the housing, thereby improving performance of an electrode assembly, prolonging service life of a secondary battery, and ensuring safety performance of the battery cell.

公开(公告)号：US20230114471A1

公开(公告)日：2023-04-13

申请号：US17914202

申请日：2021-03-24

申请人： SANYO Electric Co., Ltd.

发明人： Takumi Kusano

IPC分类号： H01M50/167 ,  H01M50/148 ,  H01M50/184 ,  H01M50/107 ,  H01M10/0587

摘要： A cylindrical battery according to an embodiment of the present disclosure has a sealing plate includes a flange portion which is secured by crimping to the opening portion of the outer can, a terminal portion formed on the radially inner side of the flange portion, and a thin-walled portion which is formed on the radially outer side of the sealing plate, and which connects the flange portion and the terminal portion; and the thin-walled portion is formed in such a way as to be inclined upward toward the outside from the radially inner side of the sealing plate, and is formed in such a way as to connect a part below the central portion of an outer circumferential surface of the terminal portion to a part above the central portion of an inner circumferential surface of the flange portion.

公开(公告)号：US11621451B2

公开(公告)日：2023-04-04

申请号：US17374469

申请日：2021-07-13

申请人： DURACELL U.S. OPERATIONS, INC.

发明人： Jean Mary Methe ,  David Goldfarb ,  David N. Klein

IPC分类号： H01M50/153 ,  C09J7/10 ,  H01M50/109 ,  H01M50/147 ,  H01M50/155 ,  H01M50/598 ,  H01M50/148 ,  H01M12/06 ,  H01M50/216 ,  H01M50/256

摘要： A battery assembly includes a battery that has a top surface surrounded by a circumferential edge; and a removable tab attached to the top surface. The removable tab includes a first tab end and an oppositely disposed second tab end; a gripping region disposed adjacent to the first tab end; and a battery cell attachment region disposed adjacent to the second tab end and attached to the top surface of the battery. The battery cell attachment region has first and second oppositely disposed sidewalls, wherein the second tab end is curved inwardly away from the circumferential edge of the battery such that a portion of the top surface of the battery is exposed between the second tab end and the circumferential edge of the battery

公开(公告)号：US20230006290A1

公开(公告)日：2023-01-05

申请号：US17940920

申请日：2022-09-08

申请人： JIANGSU ZENERGY BATTERY TECHNOLOGIES CO.,LTD.

发明人： Yongjun LI ,  Wuyuan ZOU

IPC分类号： H01M50/148 ,  H01M50/186 ,  H01M50/627 ,  H01M50/317 ,  H01M50/536

摘要： A battery top cover structure includes a top cover sheet and a first electrode arranged thereon. A sealing sleeve is sleevedly provided between the first electrode and the top cover sheet. The first electrode includes a conductive part and a welding part. A top of the welding part passes through the top cover sheet and is fixed to the conductive part. A bottom of the welding part is fixed to the bottom surface of the top cover sheet by means of a plastic part. An assembly method of the battery top cover structure is also provided.

公开(公告)号：US20220352579A1

公开(公告)日：2022-11-03

申请号：US17056049

申请日：2020-07-30

申请人： Contemporary Amperex Technology Co., Limited

发明人： Lei CHEN

IPC分类号： H01M50/148 ,  H01M50/169 ,  H01M50/186 ,  H01M10/04

摘要： The embodiments of the present disclosure provide a secondary battery, a battery module, a battery pack, a device, and a manufacturing method. The secondary battery includes: an electrode unit, including a main body portion and a first tab and a second tab extending out from the main body portion; a casing, including an accommodating cavity for accommodating the main body portion and a first opening which is in communication with the accommodating cavity; a first cover plate capping the first opening, the first cover plate including a first relief hole penetrating therethrough, the first tab passes through the first relief hole and is connected to a side of the first cover plate facing away from the accommodating cavity; and a sealing plate, which is sealingly connected to the side of the first cover plate facing away from the accommodating cavity and covers the first relief hole.

公开(公告)号：US20220344763A1

公开(公告)日：2022-10-27

申请号：US17760943

申请日：2020-09-07

申请人： GS Yuasa International Ltd.

发明人： Yu KOJIMA ,  Shinsuke OKI ,  Tatsuya MORII

IPC分类号： H01M50/256 ,  H01M10/12 ,  H01M50/148 ,  H01M50/114 ,  H01M50/552 ,  H01M50/55

摘要： A lid (15) of a lead-acid battery (100) includes a projecting portion (20) projecting from a base portion (19). The projecting portion (20) includes a shaft portion (27) serving as a rotation shaft of a handle (23), and an opposing wall (28) intersecting an imaginary line passing through an axial center of the shaft portion (27). A grip portion (90) of the handle (23) is located on an outer periphery of a first projecting portion (21).

公开(公告)号：US20220294093A1

公开(公告)日：2022-09-15

申请号：US17831673

申请日：2022-06-03

申请人： CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

发明人： Qichang Cai ,  Chengyou Xing ,  Libin Zhong ,  Wenwei Chen ,  Quankun Li ,  Peng Wang

IPC分类号： H01M50/645 ,  H01M50/148 ,  H01M50/186

摘要： The present application provides an end cover assembly, a secondary battery, a battery module, a device, a liquid-injection method and a device thereof. The end cover assembly for the secondary battery includes: an end cover, provided with a through hole for injecting electrolyte, and including a connecting portion; a sealing assembly, configured to seal the through hole; a locking-fixing member, configured to be movable relative to the connecting portion in a radial direction of the through hole, so as to realize switching between a locked state and an unlocked state of the locking-fixing member and the connecting portion. In the locked state, the locking-fixing member presses against the sealing assembly to restrict the end cover to be separated from the sealing assembly; in the unlocked state, the end cover and the sealing assembly are separable to allow electrolyte to be injected from the through hole.

公开(公告)号：US11380954B2

公开(公告)日：2022-07-05

申请号：US16616916

申请日：2018-04-13

申请人： SAMSUNG SDI CO., LTD.

发明人： Dae Young Kim ,  Jun Sun Yong ,  Seung Ho Kwak ,  Yong Chul Seo ,  Sang Won Byun ,  Hyun Soo Lee

IPC分类号： H01M50/172 ,  H01M50/528 ,  H01M50/538 ,  H01M50/552 ,  H01M50/562 ,  H01M50/148 ,  H01M10/0525 ,  H01M10/0587 ,  H01M50/543 ,  H01M50/531 ,  H01M50/147 ,  H01M10/04 ,  H01M10/058

摘要： Various embodiments of the present invention relate to a secondary battery, and the technical problem to be solved is to provide a secondary battery having a cathode terminal-integrated cap plate, which prevents the occurrence of weld defects during welding of a bus bar. To this end, the present disclosure provides a secondary battery comprising: a case; an electrode assembly received in the case; and a cap plate coupled to the case so as to protect the electrode assembly, wherein the cap plate includes a terminal part to which the electrode assembly is electrically connected and which is formed integrally with the cap plate, and the terminal part is thicker than the cap plate.

公开(公告)号：US20220102798A1

公开(公告)日：2022-03-31

申请号：US17410110

申请日：2021-08-24

申请人： HYUNDAI MOTOR COMPANY ,  KIA CORPORATION

发明人： In Gook SON ,  Yun Ho KIM ,  Jong Wook LEE ,  Yeon Man JEONG ,  Tae Hyuck KIM

IPC分类号： H01M50/209 ,  H01M50/124 ,  H01M50/148 ,  H01M10/48 ,  H01M10/42 ,  H01M10/6556 ,  H01M50/507

摘要： A battery module includes a plurality of battery cells stacked on one another in a first direction, hot melt being coated and fixing between at least some battery cells of the plurality of battery cells, and a pair of end plates that surface-contact with opposite end battery cells of a stacked structure in which the plurality of battery cells is stacked and fix a distance therebetween.