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. 07, 2023

Filed:

Mar. 05, 2019
Applicant:

Ningde Amperex Technology Limited, Fujian, CN;

Inventors:

Yunyun Fu, Fujian, CN;

Tao Tao, Fujian, CN;

Zhongxu Wang, Fujian, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/0525 (2010.01); H01M 10/0587 (2010.01); H01M 50/409 (2021.01);
U.S. Cl.
CPC ...
H01M 50/409 (2021.01); H01M 10/0525 (2013.01); H01M 10/0587 (2013.01);
Abstract

An aspect of the present application provides a separator comprising a porous substrate, and a first coating layer disposed on at least one surface of the porous substrate and comprising an inorganic particle and a binder. The first coating layer comprises a first region and a second region, the first coating layer in the first region comprises a first thickness, and the first coating layer in the second region comprises a second thickness; the first thickness is greater than the second thickness, and the area in the second region is greater than the area in the first region. Another aspect of the present application provides a lithium ion battery comprising a positive electrode, a negative electrode and the above separator. The purpose of the present application is to provide a separator having an increased thickness in a partial coating layer and a lithium ion battery comprising the above separator.


Find Patent Forward Citations

Fu, Yunyun. (2023). Separator and lithium ion battery (U.S. Patent No. 11575178). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11575178

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

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