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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 12763370 B1

PDFFull Text
Date of Patent:
Oct. 13, 2026

Filed:

Sep. 01, 2025

Electrolyte for lithium secondary battery, secondary battery, and electric device

Applicant:

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

Inventors:

Zeli Wu, Ningde, CN;

Qiao Wu, Ningde, CN;

Jie Guo, Ningde, CN;

Changlong Han, Ningde, CN;

Cuiping Zhang, Ningde, CN;

Peng Fan, Ningde, CN;

Lei Huang, Ningde, CN;

Yilin Deng, Ningde, CN;

Wenhao Liu, Ningde, CN;

Assignee:

CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED, Ningde, CN;

Attorney:

K&L Gates LLP

Primary Examiner:

Christian Roldan

Int. Cl.
CPC ...
H01M 10/42 (2006.01); H01M 4/02 (2006.01); H01M 4/525 (2010.01); H01M 10/0525 (2010.01); H01M 10/0567 (2010.01);
U.S. Cl.
CPC ...
H01M 10/0567 (2013.01); H01M 4/525 (2013.01); H01M 10/0525 (2013.01); H01M 10/4235 (2013.01); H01M 2004/021 (2013.01); H01M 2004/028 (2013.01); H01M 2300/0025 (2013.01);
Abstract

The present application discloses an electrolyte for a lithium secondary battery, a secondary battery, and an electric device. The electrolyte for a lithium secondary battery includes a sulfate ester and difluorophosphate ions, a molar ratio of the sulfate ester to the difluorophosphate ions is (0.2 to 30):1, and a molar concentration of the sulfate ester is 0.04 mol/L to 0.16 mol/L.

Find Patent Forward Citations

Wu, Zeli. (2026). Electrolyte for lithium secondary battery, secondary battery, and electric device (U.S. Patent No. 12763370). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12763370

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

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