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.

Date of Patent:
Dec. 27, 2022

Filed:

Nov. 30, 2017
Applicant:

Contemporary Amperex Technology Co., Limited, Ningde, CN;

Inventors:

Chengdu Liang, Ningde, CN;

Huafeng Huang, Ningde, CN;

Qisen Huang, Ningde, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/66 (2006.01); H01M 10/052 (2010.01); H01M 4/64 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 4/668 (2013.01); H01M 4/661 (2013.01); H01M 4/663 (2013.01); H01M 4/64 (2013.01); H01M 4/667 (2013.01); H01M 10/052 (2013.01); H01M 10/0525 (2013.01);
Abstract

Provided are a current collector, an electrode plate, a battery and an application of the current collector. The current collector includes an insulation layer and a conductive layer. The insulation layer is configured to bear the conductive layer, the conductive layer is configured to bear an electrode active material layer. A room temperature film resistance Rof the conductive layer meets a conditional expression: 0.016Ω/□≤R≤420Ω/□. By the current collector of the present application, the short circuit resistance of the battery in case of an abnormal situation causing the short circuit can be greatly increased, and the short circuit current can be greatly reduced. Thus, influence of the short circuit damage on the battery is limited to a point range, and an interrupt in the current only occurs in a point range, without disrupting normal operation of the battery in a certain period time.


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