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. 25, 2025
Filed:
May. 26, 2023
Applicant:
Contemporary Amperex Technology (Hong Kong) Limited, Hong Kong, CN;
Inventors:
Yuqun Zeng, Fujian, CN;
Chuying Ouyang, Fujian, CN;
Chengdong Sun, Fujian, CN;
Yi Zheng, Fujian, CN;
Haiyang Kang, Fujian, CN;
Assignee:
CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED, Hong Kong, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/449 (2021.01); H01M 10/0525 (2010.01); H01M 50/403 (2021.01); H01M 50/446 (2021.01);
U.S. Cl.
CPC ...
H01M 50/449 (2021.01); H01M 10/0525 (2013.01); H01M 50/403 (2021.01); H01M 50/446 (2021.01);
Abstract
The present application provides a separator, a secondary battery, a battery module, a battery pack, and a power consumption apparatus. The separator may include a porous base film and a bonding layer coated on one or both faces of the porous base film. The bonding layer may be composed of ethylene carbonate and an optional nucleating agent.