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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.:

US 11695190 B1

PDFFull Text
Date of Patent:
Jul. 04, 2023

Filed:

Jul. 29, 2021

Secondary battery

Applicant:

Contemporary Amperex Technology Co., Limited, Fujian, CN;

Inventors:

Yuyong Lei, Ningde, CN;

Chengyou Xing, Ningde, CN;

Peng Wang, Ningde, CN;

Assignee:

Contemporary Amperex Technology Co., Limited, Ningde, CN;

Attorney:

East IP P.C.

Primary Examiner:

Lingwen R Zeng

Int. Cl.
CPC ...
H01M 50/54 (2021.01); H01M 50/176 (2021.01); H01M 50/147 (2021.01); H01M 50/528 (2021.01); H01M 50/543 (2021.01); H01M 50/533 (2021.01); H01M 10/04 (2006.01); H01M 50/538 (2021.01); H01M 50/553 (2021.01); H01M 50/15 (2021.01);
U.S. Cl.
CPC ...
H01M 50/54 (2021.01); H01M 50/147 (2021.01); H01M 50/176 (2021.01); H01M 50/528 (2021.01); H01M 50/533 (2021.01); H01M 50/543 (2021.01); H01M 10/0431 (2013.01); H01M 50/15 (2021.01); H01M 50/538 (2021.01); H01M 50/553 (2021.01); Y02E 60/10 (2013.01); Y02P 70/50 (2015.11);
Abstract

The present application provides a secondary battery, which includes a first electrode assembly, a second electrode assembly, a case, and a top cap assembly. The top cap assembly includes a top cap plate and a first electrode terminal, the top cap plate is connected to the case, and the first electrode terminal is arranged on the top cap plate. The first electrode assembly includes a first body and first tabs extending from the first body, and the first tabs are multiple and stacked. The second electrode assembly includes a second body and second tabs extending from the second body, and the second tabs are multiple and stacked. An end of each of the second tabs that is away from the second body is a second end portion. Each of the first tabs includes a first connecting portion extending beyond the second end portion.

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