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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 12719083 B1

PDFFull Text
Date of Patent:
Aug. 25, 2026

Filed:

Sep. 13, 2022

Secondary battery, battery module, battery pack, and power consumption apparatus

Applicant:

Contemporary Amperex Technology (Hong Kong) Limited, Hong Kong, CN;

Inventors:

Liye Li, Ningde City, CN;

Peipei Chen, Ningde City, CN;

Limei Zhang, Ningde City, CN;

Assignee:

CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED, Hong Kong, CN;

Attorney:

XSENSUS LLP

Primary Examiner:

Anca Eoff

Int. Cl.
CPC ...
H01M 10/0567 (2010.01); H01M 4/02 (2006.01); H01M 4/485 (2010.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 10/0525 (2010.01); H01M 10/0568 (2010.01);
U.S. Cl.
CPC ...
H01M 10/0567 (2013.01); H01M 4/485 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 10/0525 (2013.01); H01M 10/0568 (2013.01); H01M 2004/021 (2013.01); H01M 2004/028 (2013.01); H01M 2300/0025 (2013.01);
Abstract

The present application provides a secondary battery. The secondary battery may include a positive electrode sheet, a negative electrode sheet, and an electrolytic solution, where the positive electrode sheet may include a positive active material; in the positive active material, a contained rate of an element Co may satisfy: Co≤0.09, and a content of an element Al may satisfy: 500 ppm≤Al≤10000 ppm; and the electrolytic solution may include a compound represented by the following general formula (I).

Find Patent Forward Citations

Li, Liye. (2026). Secondary battery, battery module, battery pack, and power consumption apparatus (U.S. Patent No. 12719083). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12719083

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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