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:
Jun. 17, 2025
Filed:
Oct. 26, 2023
Dongguan Amperex Technology Limited, Guangdong, CN;
Hui Cui, Dongguan, CN;
Pengyang Feng, Dongguan, CN;
Shuirong Zhang, Dongguan, CN;
Jiali Dong, Dongguan, CN;
Dongguan Amperex Technology Limited, Dongguan, CN;
Abstract
An electrochemical device, including a cathode, an anode and an electrolyte. The anode includes an anode current collector and an anode active material disposed on the anode current collector, the electrolyte includes fluoroethylene carbonate, and the electrochemical device meets the following relationship: 17.55≤K−K−1.63K+11.27K≤20.80, where Krepresents a specific surface area value of the unit mass of the anode active material (in m/g), and 1.0≤K≤2.0; Krepresents a content value of the fluoroethylene carbonate required by per Ah capacity (in g/Ah), and 0.05≤K≤0.25; and Krepresents a weight value of the anode active material required by per Ah capacity (in g/Ah).