公开(公告)号：US11984608B2

公开(公告)日：2024-05-14

申请号：US17847347

申请日：2022-06-23

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Dongsheng Sun ,  Kun Fang ,  Zhisheng Chai ,  Qingkui Chi ,  Haizu Jin

IPC: H01M50/147 ,  H01M50/102 ,  H01M50/317 ,  H01M50/533 ,  H01M50/543

CPC classification number: H01M50/147 ,  H01M50/102 ,  H01M50/317 ,  H01M50/533 ,  H01M50/543 ,  H01M2220/20 ,  H01M2220/30

Abstract: Disclosed is a battery cell, a battery, a power consumption apparatus and a method and an apparatus for producing a battery cell. The battery cell includes: a housing, with a first opening; an electrode assembly, arranged in the housing; an end cover assembly, including an end cover, a pressure relief mechanism and a first insulating member, the end cover covers the first opening, the pressure relief mechanism is arranged on the end cover, the pressure relief mechanism is configured, when an internal pressure or temperature of the battery cell reaches a threshold, to be actuated, the first insulating member is located on a side of the end cover close to the electrode assembly to isolate the electrode assembly and the end cover, and the first insulating member is configured that a projection on the end cover along a thickness direction of the end cover covers the pressure relief mechanism.

公开(公告)号：US20230055271A1

公开(公告)日：2023-02-23

申请号：US17715076

申请日：2022-04-07

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Kun Fang ,  Zhijun Guo ,  Haizu Jin

IPC: H01M50/179 ,  H01M50/588 ,  H01M50/591 ,  H01M50/119

Abstract: The embodiments of the present application provide a battery cell, a method and system for manufacturing a battery cell, a battery and an electrical device. The battery cell includes: an electrode assembly, including a first tab and a second tab with opposite polarities; a casing for accommodating the electrode assembly, wherein the casing includes a cylinder body and a cover body connected to the cylinder body, the cylinder body is disposed around an outer periphery of the electrode assembly, the cover body is provided with an electrode lead-out hole, and at least part of the cover body is used for electrically connecting a first connecting member of the battery and the first tab; and an electrode terminal for electrically connecting a second connecting member of the battery and the second tab.

公开(公告)号：US20240145887A1

公开(公告)日：2024-05-02

申请号：US18411037

申请日：2024-01-12

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Kun Fang ,  Zhijun Guo

IPC: H01M50/588 ,  H01M10/04 ,  H01M50/107 ,  H01M50/152 ,  H01M50/54 ,  H01M50/581 ,  H01M50/593

CPC classification number: H01M50/588 ,  H01M10/0422 ,  H01M50/107 ,  H01M50/152 ,  H01M50/54 ,  H01M50/581 ,  H01M50/593 ,  H01M2220/20

Abstract: This application provides a battery cell, which includes: a housing including a wall portion; an electrode terminal mounted on the wall portion in an insulating manner; an electrode assembly disposed in the housing, where the electrode assembly includes a body and a first tab, the first tab being formed at an end of the body closer to the wall portion; a current collecting member disposed between the electrode assembly and the wall portion, where the current collecting member is configured to connect the first tab to the electrode terminal; and a first insulating member, at least a portion of the first insulating member covering a side of the current collecting member facing the wall portion to insulate and isolate the current collecting member from the wall portion. The battery cell of this application has high safety.

公开(公告)号：US20230402684A1

公开(公告)日：2023-12-14

申请号：US18343767

申请日：2023-06-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Kun Fang ,  Zhijun Guo ,  Haizu Jin

IPC: H01M50/107 ,  H01M50/152 ,  H01M50/533 ,  H01M50/536 ,  H01M50/56 ,  H01M50/186 ,  H01M50/213 ,  H01M50/507

CPC classification number: H01M50/107 ,  H01M50/152 ,  H01M50/533 ,  H01M50/536 ,  H01M50/56 ,  H01M50/186 ,  H01M50/213 ,  H01M50/507 ,  H01M2220/20

Abstract: The present application provides a battery cell, a method and system for manufacturing the battery cell, a battery, and a power consuming device. The battery cell according to an embodiment of the present application comprises: an electrode assembly comprising a first tab, wherein the first tab is arranged around a central axis of the electrode assembly; a housing configured to accommodate the electrode assembly, wherein the housing comprises a barrel and a cover connected to the barrel, the barrel is arranged around a periphery of the electrode assembly, the cover is provided with an electrode lead-out hole, the central axis extends in a first direction and passes through the electrode lead-out hole, the first tab comprises a first annular portion, the first annular portion is arranged opposite to the cover.

公开(公告)号：US11757161B2

公开(公告)日：2023-09-12

申请号：US17930722

申请日：2022-09-09

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Huasheng Su ,  Chengyou Xing ,  Kun Fang ,  Quankun Li ,  Wenlong Kang ,  Peng Wang

IPC: H01M50/559

CPC classification number: H01M50/559 ,  H01M2220/20

Abstract: A battery cell is provided. The battery cell includes a tab, an electrode terminal, an adapter for electrical connection between the electrode terminal and the tab. The adapter includes a first connecting portion for electrical connection with the electrode terminal; a second connecting portion for electrical connection with the tab; a third connecting portion for connecting the first connecting portion and the second connecting portion; and a bending portion, the third connecting portion is connected with the first connecting portion by the bending portion and the third connecting portion is connected with the second connecting portion by the bending portion; the third connecting portion includes a reinforcing portion, and the reinforcing portion is located at the connection of the third connecting portion and the bending portion; the minimum distance L from an edge of the reinforcing portion to a center line of the bending portion satisfies: R

公开(公告)号：US20230216118A1

公开(公告)日：2023-07-06

申请号：US18181545

申请日：2023-03-10

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Kun Fang ,  Zhijun Guo

IPC: H01M50/179 ,  H01M50/538 ,  H01M50/533 ,  H01M50/474 ,  H01M50/107 ,  H01M50/566

CPC classification number: H01M50/179 ,  H01M50/538 ,  H01M50/533 ,  H01M50/474 ,  H01M50/107 ,  H01M50/566

Abstract: A battery cell, a method and system for manufacturing the battery cell, a battery, and a power consuming device are provided. The battery cell comprises: an electrode assembly comprising a first tab, wherein the first tab is arranged around a central axis of the electrode assembly; a housing configured to accommodate the electrode assembly, wherein the housing comprises a barrel and a cover connected to the barrel, the barrel is arranged around a periphery of the electrode assembly, the cover is provided with an electrode lead-out hole, the central axis extends in a first direction and passes through the electrode lead-out hole, the first tab comprises a first annular portion, and a projection of the first annular portion in the first direction does not overlap with a projection of the electrode lead-out hole in the first direction; and an electrode terminal comprising a columnar portion.

公开(公告)号：US20230006317A1

公开(公告)日：2023-01-05

申请号：US17930722

申请日：2022-09-09

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Huasheng Su ,  Chengyou Xing ,  Kun Fang ,  Quankun Li ,  Wenlong Kang ,  Peng Wang

IPC: H01M50/559

Abstract: A battery cell is provided. The battery cell includes a tab, an electrode terminal, an adapter for electrical connection between the electrode terminal and the tab. The adapter includes a first connecting portion for electrical connection with the electrode terminal; a second connecting portion for electrical connection with the tab; a third connecting portion for connecting the first connecting portion and the second connecting portion; and a bending portion, the third connecting portion is connected with the first connecting portion by the bending portion and the third connecting portion is connected with the second connecting portion by the bending portion; the third connecting portion includes a reinforcing portion, and the reinforcing portion is located at the connection of the third connecting portion and the bending portion; the minimum distance L from an edge of the reinforcing portion to a center line of the bending portion satisfies: R