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:
Nov. 18, 2025
Filed:
May. 10, 2022
Applicant:
Ningde Amperex Technology Limited, Ningde, CN;
Inventor:
Ao Fu, Ningde, CN;
Assignee:
NINGDE AMPEREX TECHNOLOGY LIMITED, Ningde, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/587 (2010.01); H01M 4/36 (2006.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/366 (2013.01); H01M 4/587 (2013.01); H01M 10/0525 (2013.01); H01M 2004/027 (2013.01);
Abstract
An electrode assembly includes a first electrode plate, a second electrode plate, and a separator disposed between the first electrode plate and the second electrode plate. The first electrode plate includes a first active material layer and a second active material layer provided along the length of the electrode plate. A lithium ion diffusion rate of the first active material layer is greater than a lithium ion diffusion rate of the second active material layer.