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:
Dec. 03, 2024
Filed:
Mar. 26, 2024
Contemporary Amperex Technology (Hong Kong) Limited, Hong Kong, CN;
Junguang Chen, Ningde, CN;
Cong Cheng, Ningde, CN;
Haile Pei, Ningde, CN;
Shengwu Zhang, Ningde, CN;
Xinghui Wang, Ningde, CN;
Shisong Li, Ningde, CN;
CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED, Hong Kong, CN;
Abstract
An electrode assembly includes a water-based positive electrode plate and a negative electrode plate, wherein the water-based positive electrode plate includes a positive electrode current collector and a positive electrode film layer located on at least one surface of the positive electrode current collector; and the negative electrode plate comprises a negative electrode current collector and a negative electrode film layer located on at least one surface of the negative electrode current collector; at least part of surface of the water-based positive electrode plate is provided with a plurality of first micropores, and satisfies: 0.001%≤(S×H×D)/(S×C×H)≤1%, at least part of surface of the negative electrode plate is provided with a plurality of second micropores, and satisfies: 0<(S×H×D)/(S×C×H)≤2.5%.