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:
Jun. 01, 2021
Filed:
Feb. 04, 2019
Contemporary Amperex Technology Co., Limited, Ningde, CN;
Wei Li, Ningde, CN;
Zige Zhang, Ningde, CN;
Chengdu Liang, Ningde, CN;
Qingrui Xue, Ningde, CN;
Jing Li, Ningde, CN;
Pengxiang Wang, Ningde, CN;
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED, Ningde, CN;
Abstract
The present disclosure provides a secondary battery and an electrode plate thereof. The electrode plate comprises a current collector and an active material layer. The current collector comprises an insulating layer and a first conducting layer provided on a surface of the insulating layer; the first conducting layer has a main portion and a protruding portion connected with the main portion, the main portion is coated with the active material layer, the protruding portion is not coated with the active material layer. The electrode plate further comprises a second conducting layer, the second conducting layer comprises a first portion, the first portion is provided on a surface of the protruding portion away from the insulating layer. The secondary battery comprises an electrode assembly, the electrode assembly comprises the electrode plate.