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:
Oct. 06, 2026

Filed:

Jun. 30, 2023
Applicant:

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

Inventors:

Xing Tong, Ningde, CN;

Songjun Shi, Ningde, CN;

Youlei Lai, Ningde, CN;

Yinghua Zhu, Ningde, CN;

Jingru Li, Ningde, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/446 (2021.01); H01M 50/403 (2021.01); H01M 50/491 (2021.01);
U.S. Cl.
CPC ...
H01M 50/446 (2021.01); H01M 50/403 (2021.01); H01M 50/491 (2021.01);
Abstract

Provided are a separator for a secondary battery and a preparation method therefor, and a secondary battery including the separator, a battery module, a battery pack, and a power consuming device. The separator for a secondary battery of the present application includes a substrate layer and a nanofiber layer provided on one surface of the substrate layer. The nanofiber layer includes a lithium supplementing agent, a polymer, and an optional conductive material; and in the total weight of the nanofiber layer, the content of the lithium supplementing agent accounts for 30.0-50.0% by weight, the content of the polymer accounts for 50.0-70.0% by weight, and the content of the conductive material accounts for 0-5.0% by weight.


Find Patent Forward Citations

Tong, Xing. (2026). Separator for secondary battery and preparation method therefor, secondary battery, battery module, battery pack, and power consuming device (U.S. Patent No. 12756067). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12756067

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…