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:
Sep. 23, 2025
Filed:
Sep. 27, 2022
Contemporary Amperex Technology (Hong Kong) Limited, Hong Kong, CN;
CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED, Hong Kong, CN;
Abstract
This application provides a lithium-ion battery, including: an electrode assembly and an electrolytic solution. The lithium-ion battery may satisfy the following condition:0.6≤α≤0.9, and 4≤×α/β1≤25, where, α=La/Lc, La is an arc length of a convex surface of the negative current collector corresponding to a concave surface of an innermost first circle of positive electrode in a jelly-roll structure of the electrode assembly, Lc is an arc length of a concave surface of an innermost first circle of positive current collector in the jelly-roll structure of the electrode assembly, and La and Lc are measured in mm; w is a percent of the first lithium salt LiR(SON)SORby mass in the electrolytic solution; and β1 is a thickness of the metallic conductive layer in the positive current collector, measured in μM.