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:
Dec. 23, 2025
Filed:
Sep. 27, 2022
Applicant:
Amperex Technology Limited, Hong Kong, CN;
Inventors:
Nan Zhang, Hong Kong, CN;
Bin Wang, Hong Kong, CN;
Yibo Zhang, Hong Kong, CN;
Chi Ho Kwok, Hong Kong, CN;
Wai Chung Li, Hong Kong, CN;
Chenmin Liu, Hong Kong, CN;
Assignee:
Amperex Technology Limited, Hong Kong, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/446 (2021.01); H01M 10/0525 (2010.01); H01M 50/491 (2021.01);
U.S. Cl.
CPC ...
H01M 50/446 (2021.01); H01M 10/0525 (2013.01); H01M 50/491 (2021.01);
Abstract
An electrochemical device includes an electrode plate and a separation layer on at least one surface of the electrode plate. The separation layer includes a nanofibrous porous substrate including nanofibers and polymer particles distributed in the nanofibrous porous substrate including nanofibers. A melting temperature of the polymer particles is 70° C. to 150° C.