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:
Feb. 11, 2025
Filed:
Dec. 16, 2021
Contemporary Amperex Technology (Hong Kong) Limited, Hong Kong, CN;
Tao Liang, Ningde, CN;
CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED, Hong Kong, CN;
Abstract
An electrode assembly, a secondary battery, and a battery-powered apparatus. The electrode assembly includes a negative electrode plate, a positive electrode plate, and a separator, and the negative electrode plate, the separator, and the positive electrode plate are laminated and wound around a winding center, where the negative electrode plate includes a first inner layer section, the positive electrode plate includes a second inner layer section, and the first inner layer section and the second inner layer section are immediately adjacent to the winding center; and the first inner layer section is provided with a notch portion, and the first inner layer section is disposed opposite the second inner layer section through the notch portion.