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:
Oct. 17, 2023
Filed:
Aug. 11, 2020
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Masahisa Fujimoto, Osaka, JP;
Abstract
The lithium secondary battery of the present disclosure comprises an anode including an anode current collector and an anode active material; an electrolyte liquid; and a cathode including a cathode active material layer disposed on a cathode current collector. The anode includes a material capable of forming an alloy with lithium during charge. The electrolyte liquid contains lithium ions and the counter anions thereof, contains at least one substance selected from the group consisting of phenanthrene, biphenyl, triphenylene, acenaphthene, acenaphthylene, fluoranthene, and benzyl at a concentration of not less than 0.00625 mol/L and not more than 0.05 mol/L, and includes, as a solvent, at least one selected from the group consisting of a cyclic ether, a glyme, and a sulfolane.