公开(公告)号：US20230420812A1

公开(公告)日：2023-12-28

申请号：US18464945

申请日：2023-09-11

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Congsheng CHEN ,  Wenfa LIN ,  Yaoling WEN ,  Jiang LIN ,  Minghao TANG ,  Jia LIN

IPC: H01M50/566 ,  H01M50/103

CPC classification number: H01M50/566 ,  H01M50/103

Abstract: A tab welded structure includes a conductive member and a tab formed by stacking a plurality of layers of pieces in a first direction. The conductive member is welded to the tab to form a fused area. The fused area includes a first fused portion and a second fused portion. The first fused portion extends from the tab into the conductive member in the first direction. The second fused portion is demarcated from the first fused portion, the second fused portion is located at a side portion of the first fused portion, and the second fused portion is configured to be connected to the first fused portion and the tab.

公开(公告)号：US20240297425A1

公开(公告)日：2024-09-05

申请号：US18659632

申请日：2024-05-09

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhitong SHANG ,  Congsheng CHEN ,  Mingxi YU ,  Yaoling WEN ,  Wenfa LIN

IPC: H01M50/636 ,  H01M50/15

CPC classification number: H01M50/636 ,  H01M50/15

Abstract: A battery end cover assembly includes an end cover having a liquid injection hole penetrating along a first direction. The liquid injection hole includes a first hole segment and a second hole segment divided along the first direction; the cross-sectional area of the first hole segment is larger than the cross-sectional area of the second hole segment; a stepped surface is formed between the first hole segment and the second hole segment; and the stepped surface includes a first inclined surface inclined toward the second hole segment along the first direction.

公开(公告)号：US20240421457A1

公开(公告)日：2024-12-19

申请号：US18817281

申请日：2024-08-28

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Shengyun SHI ,  Zhijun GUO ,  Yulian ZHENG ,  Chengyou XING ,  Congsheng CHEN

IPC: H01M50/636 ,  H01M50/186

Abstract: A battery cell includes a housing, an electrode assembly, and a sealing member. The housing is provided with an electrolyte injection hole for injecting an electrolyte. The electrode assembly is accommodated in the housing. The sealing member includes a main body portion, a transition portion surrounding an outer side of the main body portion, and a connecting portion surrounding an outer side of the transition portion. The connecting portion is located on a side of the housing back away from the electrode assembly, at least part of the main body portion protrudes from a first surface of the connecting portion facing the housing and is accommodated in the electrolyte injection hole, and the connecting portion is connected to the housing to seal the electrolyte injection hole.

公开(公告)号：US20230318155A1

公开(公告)日：2023-10-05

申请号：US18329807

申请日：2023-06-06

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Congsheng CHEN ,  Wenfa LIN ,  Yaoling WEN

IPC: H01M50/271 ,  H01M50/566

CPC classification number: H01M50/566 ,  H01M50/271 ,  H01M2220/20

Abstract: Embodiments provide a top cover assembly of a battery, a battery, and an electric apparatus, which can optimize the processing technology of batteries so as to improve the performance of batteries. The top cover assembly of the battery includes a top cover plate ; poles disposed on the top cover plate, each of which includes a first welding zone ; and adapting pieces configured to be electrically connected to the poles, where the adapting piece includes a second welding zone, and the second welding zone is configured to be correspondingly welded to the first welding zone to implement electrical connection; where both the first welding zone and the second welding zone are disposed obliquely with respect to a plane in which the top cover plate is located.