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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 12199242 B1

PDFFull Text
Date of Patent:
Jan. 14, 2025

Filed:

Aug. 24, 2022

Electrolyte solution, secondary battery, battery module, battery pack and electric device

Applicant:

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

Inventors:

Zeli Wu, Ningde, CN;

Changlong Han, Ningde, CN;

Assignee:

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

Attorney:

Kilpatrick Townsend & Stockton LLP

Primary Examiner:

Carlos Barcena

Int. Cl.
CPC ...
H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 10/0525 (2010.01); H01M 10/0567 (2010.01); H01M 10/0569 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 10/0567 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 10/0569 (2013.01); H01M 2004/021 (2013.01); H01M 2004/028 (2013.01); H01M 10/0525 (2013.01); H01M 2220/20 (2013.01); H01M 2300/0025 (2013.01);
Abstract

Various embodiments provide an electrolyte solution, a secondary battery, a battery module, a battery pack and an electric device. In those embodiments, the electrolyte solution includes an electrolyte, a solvent and an additive, the additive including sodium hydrosulfite. Various embodiments improve an overall performance of the secondary battery, for example, initial DCR, storage gas production, a rate performance, or the like.

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Wu, Zeli. (2025). Electrolyte solution, secondary battery, battery module, battery pack and electric device (U.S. Patent No. 12199242). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12199242

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