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公开(公告)号：US11913769B2
公开(公告)日：2024-02-27
申请号：US18202786
申请日：2023-05-26
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Guoda Huang , Xiaoyuan Li , Chao Xie
CPC classification number: G01B11/002 , H01M10/48 , H01M10/4285
Abstract: The present application provides a tab inspection method. The method includes: determining a first start position of the tab in a second direction of the electrode plate according to a first trigger manner, where the second direction is perpendicular to the first direction; determining a second start position of the tab in the second direction of the electrode plate according to a second trigger manner; and determining, according to a distance between the second start position and the first start position, whether a position of the tab on the electrode plate deviates; where the first trigger manner is a manner for determining the start position of the tab based on a change of a height of the electrode plate in the first direction, and the second trigger manner is a manner for determining the start position of the tab based on a preset position of the tab on the electrode plate.
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Patent Agency Ranking
公开(公告)号：US20230296370A1
公开(公告)日：2023-09-21
申请号：US18202786
申请日：2023-05-26
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Guoda HUANG , Xiaoyuan Li , Chao Xie
CPC classification number: G01B11/002 , H01M10/48 , H01M10/4285
Abstract: The present application provides a tab inspection method. The method includes: determining a first start position of the tab in a second direction of the electrode plate according to a first trigger manner, where the second direction is perpendicular to the first direction; determining a second start position of the tab in the second direction of the electrode plate according to a second trigger manner; and determining, according to a distance between the second start position and the first start position, whether a position of the tab on the electrode plate deviates; where the first trigger manner is a manner for determining the start position of the tab based on a change of a height of the electrode plate in the first direction, and the second trigger manner is a manner for determining the start position of the tab based on a preset position of the tab on the electrode plate.
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公开(公告)号：US12027673B2
公开(公告)日：2024-07-02
申请号：US18326350
申请日：2023-05-31
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Yiruo Wang , Zhiyang Wu , Gang Lin , Chao Xie , Guoda Huang , Yongli Zhang , Mingjian Liu
IPC: H01M10/0587
CPC classification number: H01M10/0587
Abstract: An electrode assembly manufacturing device includes a winding mechanism, a heating mechanism, a conveyor belt arranged between the heating mechanism and the winding mechanism, and a forming mechanism. The winding mechanism is configured to wind a positive electrode sheet, a separator, and a negative electrode sheet into an electrode assembly. The conveyor belt is configured to transfer the electrode assembly from the winding mechanism to the heating mechanism. The heating mechanism is configured to heat the electrode assembly. The forming mechanism is configured to press and form the electrode assembly.
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公开(公告)号：US20220223897A1
公开(公告)日：2022-07-14
申请号：US17712087
申请日：2022-04-02
Applicant: Contemporary Amperex Technology Co., Limited
Inventor： Yiruo Wang , Zhiyang Wu , Xiao Wang , Chengcheng Jiang , Chao Xie , Liangzhen Dai
IPC: H01M10/04
Abstract: The present application relates to a method and an apparatus for manufacturing an electrode assembly of a secondary battery. Embodiments of the present application propose a method for manufacturing an electrode assembly of a secondary battery, the method comprising joining a positive electrode plate and a first separator to form a positive electrode composite plate body; joining a negative electrode plate and a second separator to form a negative electrode composite plate body; winding the positive electrode composite plate body and the negative electrode composite plate body together to form an electrode assembly, wherein the positive electrode plate and the negative electrode plate are disposed to isolate from each other by the first separator and the second separator.
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公开(公告)号：US11996508B2
公开(公告)日：2024-05-28
申请号：US18326322
申请日：2023-05-31
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Xiaowei Zhang , Jun Ni , Zhiwen Wang , Yuqian Wen , Minghao Tang , Chao Xie
IPC: H01M10/04
CPC classification number: H01M10/0409
Abstract: A winding shaft structure includes a winding shaft holder rotatable around an axial direction of the winding shaft structure, a first shaft group connected to one side of the winding shaft holder in the axial direction and configured to rotate together with the winding shaft holder, a second shaft group disposed on a side of the first shaft group in a radial direction of the winding shaft structure, a connecting member connected between the first shaft group and the second shaft group such that the second shaft group is movable with respect to the first shaft group in the radial direction via the connecting member, and a piezoelectric adjustment member disposed between the first shaft group and the second shaft group and deformable in the radial direction to adjust a distance between the first shaft group and the second shaft group.
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公开(公告)号：US11961955B2
公开(公告)日：2024-04-16
申请号：US17712087
申请日：2022-04-02
Applicant: Contemporary Amperex Technology Co., Limited
Inventor： Yiruo Wang , Zhiyang Wu , Xiao Wang , Chengcheng Jiang , Chao Xie , Liangzhen Dai
IPC: H01M10/04 , H01M10/0525 , H01M50/10 , H01M50/103
CPC classification number: H01M10/0409 , H01M10/0431 , H01M10/0468 , H01M50/103
Abstract: The present application relates to a method and an apparatus for manufacturing an electrode assembly of a secondary battery. Embodiments of the present application propose a method for manufacturing an electrode assembly of a secondary battery, the method comprising joining a positive electrode plate and a first separator to form a positive electrode composite plate body; joining a negative electrode plate and a second separator to form a negative electrode composite plate body; winding the positive electrode composite plate body and the negative electrode composite plate body together to form an electrode assembly, wherein the positive electrode plate and the negative electrode plate are disposed to isolate from each other by the first separator and the second separator.
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