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. 19, 2026
Filed:
Aug. 04, 2025
Applicant:
Contemporary Amperex Technology Co., Limited, Ningde, CN;
Inventors:
Haizu Jin, Ningde, CN;
Lin Peng, Ningde, CN;
Shuangjuan Peng, Ningde, CN;
Baiqing Li, Ningde, CN;
Fenggang Zhao, Ningde, CN;
Assignee:
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED, Ningde, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 50/426 (2021.01); H01M 10/0525 (2010.01); H01M 50/449 (2021.01);
U.S. Cl.
CPC ...
H01M 50/426 (2021.01); H01M 10/0525 (2013.01); H01M 50/449 (2021.01);
Abstract
Provided in the present application are a separator, a battery cell, a battery and an electrical apparatus. The separator includes a separator body and a polymer layer disposed on at least one surface of the separator body, wherein the polymer layer includes a fluoropolymer, the crystallinity of the fluoropolymer as measured by using a differential scanning calorimetry method is X%, where 0<X≤30; and the melting temperature of the fluoropolymer is T, the unit thereof being ° C., where 0<T≤140.