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:
May. 11, 2021
Filed:
Apr. 19, 2019
Applicant:
Contemporary Amperex Technology Co., Limited, Ningde, CN;
Inventors:
Assignee:
Contemporary Amperex Technology Co., Limited, Ningde, CN;
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/66 (2006.01); H01M 4/74 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/742 (2013.01); H01M 4/662 (2013.01); H01M 4/663 (2013.01); H01M 4/667 (2013.01); H01M 2004/021 (2013.01); H01M 2004/025 (2013.01);
Abstract
The present disclosure relates to the technical field of battery, and in particular, relates to a current collector, an electrode plate and an electrochemical device. The current collector includes an insulation layer; a conductive layer located on at least one surface of the insulation layer; and a first protective layer provided on a surface of the conductive layer facing away from the insulation layer. The first protective layer is made of a metal. The current collector is provided with a plurality of holes penetrating through the insulation layer, the conductive layer and the first protective layer.