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:
Oct. 13, 2026
Filed:
Mar. 28, 2022
Ningde Amperex Technology Limited, Ningde City, CN;
Qin Feng, Ningde, CN;
NINGDE AMPEREX TECHNOLOGY LIMITED, Ningde City, CN;
Abstract
An electrochemical device includes an electrode assembly, a housing, a sealing member, and a tab. The housing includes a main body portion and a sealing portion. At least a portion of the sealing member is disposed in the sealing portion, and the sealing member includes a first sealing member and a second sealing member. The tab protrudes from the sealing portion and is arranged between the first sealing member and the second sealing member. The first sealing member includes a first sealing layer and a second sealing layer disposed on the first sealing layer, and the first sealing layer is located between the tab and the second sealing layer. A melting point of the first sealing layer is lower than that of the second sealing layer, and a difference in the melting point between the first sealing layer and the second sealing layer is 35° C. to 50° C.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile