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:
Mar. 17, 2026
Filed:
Mar. 30, 2022
Ningde Amperex Technology Limited, Ningde City, CN;
NINGDE AMPEREX TECHNOLOGY LIMITED, Ningde City, CN;
Abstract
A battery cell is formed by winding a first electrode plate, a separator, and a second electrode plate, the first electrode plate includes a first current collector, a first active substance layer disposed on a surface of the first current collector, and at least one first tab; the first active substance layer is provided with a first groove, and the first tab is disposed in the first groove and electrically connected to the first current collector; the second electrode plate includes a second current collector, a second active substance layer disposed on a surface of the second current collector, and at least one second tab; and the second tab and the second current collector are integrally formed.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile