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.:
Date of Patent:
May. 19, 2026
Filed:
Apr. 16, 2025
Contemporary Amperex Technology (Hong Kong) Limited, Hong Kong, CN;
Xiaolong Li, Ningde, CN;
Xinxin Zhang, Ningde, CN;
Bingkun Guo, Ningde, CN;
Ben Liu, Ningde, CN;
Shikang Yao, Ningde, CN;
Qicheng Zhou, Ningde, CN;
Jiadian Lan, Ningde, CN;
CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED, Hong Kong, CN;
Abstract
An electrolyte solution includes an electrolyte salt, a solvent, and a polyether. A secondary battery includes the electrolyte solution. A method for preparing a secondary battery electrolyte solution includes adding an additive and a cyclic ether compound into a composition containing an electrolyte salt and a solvent, and performing in-situ polymerization for at least 24 hours to obtain the secondary battery electrolyte solution. The additive is a Lewis acid or a Lewis acid precursor.