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:
Feb. 18, 2025

Filed:

May. 17, 2022
Applicant:

Contemporary Amperex Technology (Hong Kong) Limited, Hong Kong, CN;

Inventors:

Ze Zhong, Ningde, CN;

Hao Dong, Ningde, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/62 (2006.01); C08F 210/02 (2006.01); C08F 216/04 (2006.01); C08F 220/54 (2006.01); H01M 50/411 (2021.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/622 (2013.01); C08F 210/02 (2013.01); C08F 216/04 (2013.01); C08F 220/54 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01); H01M 50/411 (2021.01);
Abstract

The present application discloses a secondary battery, a method for preparing the same, a copolymer and an apparatus. The secondary battery includes a binder for binding a first substance and a second substance, the binder including a copolymer, wherein the copolymer comprises at least a first monomer unit represented by formula (I), a second monomer unit represented by formula (II), and a third monomer unit represented by formula (III): The secondary battery provided by the present application can effectively increase the boding force between the first substance and the second substance by including a specific binder, thereby improving the electrochemical performance of the secondary battery.


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