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.
Patent No.:
Date of Patent:
Jan. 28, 2025
Filed:
Mar. 30, 2022
Applicant:
Ningde Amperex Technology Limited, Fujian, CN;
Inventors:
Assignee:
NINGDE AMPEREX TECHNOLOGY LIMITED, Ningde, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 50/375 (2021.01); H01M 50/184 (2021.01); H01M 50/342 (2021.01); H01M 50/531 (2021.01);
U.S. Cl.
CPC ...
H01M 50/375 (2021.01); H01M 50/184 (2021.01); H01M 50/3425 (2021.01); H01M 50/531 (2021.01);
Abstract
A battery cell includes an electrode assembly and a packaging bag, where the electrode assembly includes a tab, the packaging bag is configured to accommodate the electrode assembly, a sealing zone is formed on a periphery of the packaging bag, one end of the tab is electrically connected to a body of the electrode assembly, and an other end of the tab protrudes out of the sealing zone; the sealing zone is provided with a weak zone, and in a predetermined temperature range, a packaging tension of the weak zone in the packaging bag reduces to release gas inside the battery cell to the outside of the battery cell.