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1.发明公开公开(公告)号：US20240154282A1
公开(公告)日：2024-05-09
申请号：US18411035
申请日：2024-01-12
发明人： Ningsheng WU , Lulu BAI , Wenlin ZHOU , Haibo KE , Quankun LI , Peng WANG
IPC分类号： H01M50/636 , H01M50/593
CPC分类号： H01M50/636 , H01M50/593 , H01M2220/20
摘要： Embodiments of the present application provide a battery cell, a battery, a power consumption device, and a battery cell manufacturing method and device. The battery cell includes: a shell, including a first wall provided with a medium injection hole; an electrode assembly, disposed inside the shell; and an insulating member, disposed between the first wall and the electrode assembly to insulate and isolate the first wall and the electrode assembly, where a guide structure is disposed on a side, facing the first wall, of the insulating member, and the guide structure is configured to guide a medium injected from the medium injection hole to an edge of the insulating member, so that the medium enters the interior of the battery cell from the edge of the insulating member.
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公开(公告)号：US20230395931A1
公开(公告)日：2023-12-07
申请号：US18228372
申请日：2023-07-31
发明人： Haibo KE , Quankun LI , Peng WANG , Chengyou XING , Ningsheng WU , Kaihuan YANG , Xiang MEI , Lili WU
IPC分类号： H01M50/342 , H01M50/15 , H01M50/159 , H01M50/186 , H01M50/588 , H01M50/59
CPC分类号： H01M50/3425 , H01M50/15 , H01M50/159 , H01M50/186 , H01M50/588 , H01M50/59 , H01M2200/20
摘要： An end cover assembly includes an end cover and a pressure relief member. The pressure relief member is provided in the end cover, and the pressure relief member is provided with an indentation groove. The pressure relief member is configured to crack along the indentation groove to release internal pressure of a battery cell when internal pressure or temperature of the battery cell reaches a threshold. Hardness of the pressure relief member is lower than hardness of the end cover.
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公开(公告)号：US20230261312A1
公开(公告)日：2023-08-17
申请号：US18138441
申请日：2023-04-24
发明人： Wenlin ZHOU , Liangfan XU , Ningsheng WU , Quankun LI , Peng WANG
IPC分类号： H01M50/342 , H01M50/474 , H01M50/147
CPC分类号： H01M50/3425 , H01M50/147 , H01M50/474 , H01M2220/20
摘要： The present application provides an end cover assembly used for a battery cell. The end cover assembly includes: an end cover; a pressure relief mechanism arranged on the end cover and including a weak portion, the pressure relief mechanism being configured to rupture along the weak portion to release the pressure inside the battery cell when the pressure reaches a threshold; and an insulating member located on one side of the end cover facing an electrode assembly of the battery cell and including a base portion connected to the end cover and a guide portion arranged on the base portion communicating the space between the base portion and the pressure relief mechanism with the space on one side of the base portion facing away from the weak portion. In a thickness direction of the end cover, a projection of the guide portion does not overlap with a projection of the weak portion.
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公开(公告)号：US20220013855A1
公开(公告)日：2022-01-13
申请号：US17113047
申请日：2020-12-05
发明人： Fenggang ZHAO , Haibo KE , Quankun LI , Ningsheng WU , Zhanyu SUN
IPC分类号： H01M50/342 , H01M10/0525 , H01M50/103 , H01M50/209 , H01M50/505
摘要： Disclosed are a battery box, a battery cell, a battery, and a method and apparatus for preparing the battery box. The battery box includes: a first wall and a second wall, the first wall intersecting the second wall; and a pressure relief mechanism including a first portion and a second portion connected to each other, the first portion and the second portion being respectively arranged at the first wall and the second wall, wherein the first portion and/or the second portion are/is configured to be able to fracture, when an internal pressure of the battery box reaches a threshold, to relieve the internal pressure. Therefore, according to the battery box, the battery cell, the battery, and the method and apparatus for preparing the battery box of embodiments of the present application, thereby the performance of the pressure relief mechanism on the battery box is improved.
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公开(公告)号：US20240313374A1
公开(公告)日：2024-09-19
申请号：US18670726
申请日：2024-05-21
发明人： Haibo KE , Quankun LI , Xiang MEI , Peng WANG , Ningsheng WU , Yanlin CHEN
IPC分类号： H01M50/586 , H01M10/04 , H01M50/367
CPC分类号： H01M50/586 , H01M10/0404 , H01M50/367
摘要： An insulator, used for a battery cell, includes: an insulator body, having a first surface and a second surface oppositely disposed in its thickness direction, the first surface facing an electrode assembly of the battery cell, and the second surface facing away from the electrode assembly; and a protrusion, formed on the first surface and used for abutting against the electrode assembly; wherein the protrusion is provided with an air vent, and the air vent runs through the protrusion in a direction intersecting with the thickness direction.
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6.发明公开公开(公告)号：US20240297422A1
公开(公告)日：2024-09-05
申请号：US18662836
申请日：2024-05-13
发明人： Lulu BAI , Quankun LI , Ningsheng WU , Wenlin ZHOU , Ting ZHENG
IPC分类号： H01M50/538 , H01M50/191 , H01M50/474 , H01M50/536 , H01M50/567 , H01M50/593
CPC分类号： H01M50/538 , H01M50/191 , H01M50/474 , H01M50/536 , H01M50/567 , H01M50/593
摘要： A battery cell includes electrode assemblies arranged in a first direction, where an end part of each electrode assembly along a second direction perpendicular to the first direction is provided with a tab; and a connection member configured to connect tabs of the electrode assemblies and an electrode terminal of the battery cell. The connection member includes a main body portion and a pin, the main body portion extends along the first direction, and includes a first surface and a second surface perpendicular to the second direction, the main body portion is provided with a plurality of through grooves passing through the first surface and the second surface, and the plurality of through grooves are respectively configured to accommodate the tabs of the plurality of electrode assemblies.
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7.发明公开公开(公告)号：US20240322375A1
公开(公告)日：2024-09-26
申请号：US18678494
申请日：2024-05-30
发明人： Wenlin ZHOU , Liangfan XU , Ningsheng WU , Quankun LI , Peng WANG
IPC分类号： H01M50/477 , H01M10/04 , H01M50/103 , H01M50/15 , H01M50/474
CPC分类号： H01M50/477 , H01M10/0404 , H01M10/049 , H01M50/103 , H01M50/15 , H01M50/474
摘要： A battery cell includes a shell; an electrode assembly; and an end cap assembly, including an end cap, a first insulating member and a second insulating member, where the first insulating member is arranged between the electrode assembly and the end cap, so as to insulate and isolate the electrode assembly from the end cap, the second insulating member includes a main body portion and a first flanging portion, the first flanging portion is connected to one end of the main body portion, the main body portion is arranged between the shell and the electrode assembly, so as to insulate and isolate the shell from the electrode assembly, and the first flanging portion is connected to a side of the first insulating member facing the end cap or a side of the first insulating member away from the end cap.
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8.发明公开公开(公告)号：US20240055705A1
公开(公告)日：2024-02-15
申请号：US18494188
申请日：2023-10-25
发明人： Wenlin ZHOU , Shengwang CHEN , Ningsheng WU , Lulu BAI , Quankun LI , Peng WANG
IPC分类号： H01M50/15 , H01M50/103 , H01M10/04
CPC分类号： H01M50/15 , H01M50/103 , H01M10/049 , H01M10/0404
摘要： A battery cell, a battery, a power consuming apparatus, and a method and apparatus for manufacturing the battery cell are described. The battery cell includes a housing, an electrode assembly, and an end cap. The electrode assembly is accommodated in the housing. The end cap includes a first body portion and a first protrusion. The first body portion surrounds an edge of the first protrusion and is configured to be connected to the housing, the first protrusion protrudes relative to the first body portion in a direction away from the electrode assembly in a thickness direction of the end cap, and a first accommodating space is formed inside the first protrusion and is configured to accommodate at least a part of a tab of the electrode assembly. The first body portion is provided with a reinforcement portion being configured to enhance the stiffness of the first body portion.
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公开(公告)号：US20230369712A1
公开(公告)日：2023-11-16
申请号：US18351174
申请日：2023-07-12
发明人： Wenlin ZHOU , Liangfan XU , Ningsheng WU , Quankun LI , Peng WANG
IPC分类号： H01M50/342 , H01M50/15 , H01M50/103
CPC分类号： H01M50/3425 , H01M50/15 , H01M50/103 , H01M2200/20 , H01M2220/20
摘要： An end cap, a battery cell, a battery and a power consuming device are described. The end cap includes a cap body and a pressure relief groove. The pressure relief groove is provided in the cap body, and the pressure relief groove defines a pressure relief zone. A length direction of the pressure relief zone is consistent with a width direction of the cap body. The end cap has a stress concentration region at a short edge of the pressure relief groove when the inner side of the end cap is subjected to the pressure inside the battery cell, and the end cap has a stress concentration region at a long edge of the pressure relief groove when the outer side of the end cap is subjected to an impact force.
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公开(公告)号：US20210376303A1
公开(公告)日：2021-12-02
申请号：US17120593
申请日：2020-12-14
发明人： Chengyou XING , Chengdu LIANG , Ningsheng WU , Wenlong KANG , Peng WANG , Quankun LI , Lingyan JIANG
IPC分类号： H01M2/02
摘要： The present disclosure relates to a secondary battery, a battery module, and a device using the secondary battery as a power source. The secondary battery includes a casing and a top cover for connecting with the casing. The casing includes an end portion provided with an opening. The top cover is used to cover the opening of the casing. The top cover includes an inserting portion extending into the casing from the opening. A plurality of notches are provided on an inner side of the end portion of the casing or on a side wall of the inserting portion facing the casing. In the secondary battery, the battery module, and the device using the secondary battery as a power source according to the present disclosure, the secondary battery can reduce the possibility of short circuit occurring in the electrode assembly and improve the operational safety of the secondary battery.
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