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:
Jun. 02, 2020
Filed:
Aug. 06, 2017
Contemporary Amperex Technology Co., Limited, Ningde, CN;
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED, Ningde, CN;
Abstract
A secondary battery, including an electrode assembly, a positive terminal, a negative terminal, a top cover plate, a conductive plate and a contact plate, wherein the electrode assembly includes a positive electrode plate, a negative electrode plate and a separator provided therebetween, the positive electrode plate is electrically connected with the positive terminal, and the negative electrode plate is electrically connected with the negative terminal, the contact plate is attached to the negative terminal, the top cover plate is insulated from the negative terminal and is electrically connected with the positive terminal, the conductive plate is fixedly connected with the top cover plate, the contact plate is configured to deform under gas pressure to be in contact with the conductive plate when an internal pressure of the secondary battery exceeds a reference pressure.