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. 27, 2020
Filed:
May. 16, 2018
Contemporary Amperex Technology Co., Limited, Ningde, CN;
Zhijun Guo, Ningde, CN;
Jie Zhang, Ningde, CN;
Taosheng Zhu, Ningde, CN;
Peng Wang, Ningde, CN;
Guowei Li, Ningde, CN;
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED, Ningde, CN;
Abstract
The present disclosure provides a battery cap assembly, a secondary battery and a battery module. The battery cap assembly comprises: a cap plate, including a second terminal hole; a first electrode terminal, at least a part of which protruding above the cap plate; a second electrode terminal, including a second protruding portion protruding above the cap plate and a second base portion connected with the second protruding portion. The first electrode terminal is provided with a protrusion used for welding with a first connecting piece; the second protruding portion is used for welding with a second connecting piece to form a welding portion, and a projection of the welding portion in an up-down direction is positioned in a cross-section of the second base portion. The secondary battery comprises a case, an electrode assembly and the battery cap assembly. The battery module comprises the first connecting piece and the secondary batteries.