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:
Nov. 11, 2025
Filed:
Mar. 31, 2022
Ningde Amperex Technology Limited, Ningde, CN;
Yafei Zhang, Ningde, CN;
Ningde Amperex Technology Limited, Ningde, CN;
Abstract
An electrolyte includes a fluorine-containing lithium salt and lithium dicyanamide, and the fluorine-containing lithium salt includes lithium fluorosulfonyl(trifluoromethanesulfonyl)imide. According to embodiments of this application, the electrolyte is improved, so that a lithium salt includes the lithium fluorosulfonyl(trifluoromethanesulfonyl)imide and the lithium dicyanamide, thereby helping to enhance stability of a solid electrolyte interface (SEI) film of a negative electrode. In this way, cycling performance of the electrochemical apparatus is improved, and dynamic performance of the electrolyte is basically not affected.