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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 12658474 B1

PDFFull Text
Date of Patent:
Jun. 16, 2026

Filed:

Nov. 16, 2022

Secondary battery

Applicant:

Shenzhen Capchem Technology Co., Ltd., Guangdong, CN;

Inventors:

Yonghong Deng, Shenzhen, CN;

Yunxian Qian, Shenzhen, CN;

Shiguang Hu, Shenzhen, CN;

Xionggui Lin, Shenzhen, CN;

Hongmei Li, Shenzhen, CN;

Assignee:

SHENZHEN CAPCHEM TECHNOLOGY CO., LTD., Shenzhen, CN;

Attorney:
Primary Examiner:

Susan D Leong

Assistant Examiner:

Timothy G Hemingway

Int. Cl.
CPC ...
H01M 10/0567 (2010.01); H01M 4/02 (2006.01); H01M 4/50 (2010.01); H01M 10/0525 (2010.01); H01M 10/42 (2006.01);
U.S. Cl.
CPC ...
H01M 10/0567 (2013.01); H01M 4/502 (2013.01); H01M 10/4235 (2013.01); H01M 2004/028 (2013.01); H01M 10/0525 (2013.01); H01M 2010/4292 (2013.01);
Abstract

In order to solve the problem that the existing manganese-based positive electrode material battery has insufficient high-temperature cycle and high-temperature storage performances due to the dissolution of manganese ions, the present application provides a secondary battery, comprising a positive electrode, a negative electrode and a non-aqueous electrolyte, the positive electrode comprises a positive electrode material layer containing a positive electrode active material, the positive electrode active material comprises a manganese-based material, and the non-aqueous electrolyte comprises a solvent, an electrolyte salt and an additive, and the additive comprises a compound represented by structural formula 1:

Find Patent Forward Citations

Deng, Yonghong. (2026). Secondary battery (U.S. Patent No. 12658474). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12658474

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

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