The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 14, 2024

Filed:

Jan. 12, 2024
Applicant:

Contemporary Amperex Technology Co., Limited, Ningde, CN;

Inventors:

Qingkui Chi, Ningde, CN;

Tao Pu, Ningde, CN;

Yang Zou, Ningde, CN;

Wenjie Yu, Ningde, CN;

Zhisheng Chai, Ningde, CN;

Haizu Jin, Ningde, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 50/536 (2021.01); H01M 10/04 (2006.01); H01M 50/107 (2021.01); H01M 50/152 (2021.01); H01M 50/186 (2021.01); H01M 50/213 (2021.01); H01M 50/474 (2021.01);
U.S. Cl.
CPC ...
H01M 50/536 (2021.01); H01M 10/0404 (2013.01); H01M 10/0431 (2013.01); H01M 10/049 (2013.01); H01M 50/107 (2021.01); H01M 50/152 (2021.01); H01M 50/186 (2021.01); H01M 50/213 (2021.01); H01M 50/474 (2021.01);
Abstract

A battery cell includes a shell, an end cover, an electrode assembly, and a current collector component. The shell has an opening, and the inner surface of the shell is provided with a first limit part in a protruding manner. The end cover covers the opening. The electrode assembly and the end cover are respectively located on both sides of the first limit part, and the electrode assembly has a tab on the side facing the end cover. The current collector component includes a body part and a connecting part, and the connecting part is connected to the first limit part. The body part includes a first welding region and a second welding region, the first welding region is located on the periphery of the second welding region, the first welding region and the second welding region are separated by the connection position between the connecting part and the body part.


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