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:
Mar. 10, 2026
Filed:
Oct. 08, 2020
Lg Energy Solution, Ltd., Seoul, KR;
Habin Chung, Daejeon, KR;
Kwonnam Sohn, Daejeon, KR;
Changhun Park, Daejeon, KR;
Minsu Kim, Daejeon, KR;
LG ENERGY SOLUTION, LTD., Seoul, KR;
Abstract
Disclosed is a lithium-sulfur secondary battery including a positive electrode, a negative electrode, a separator, and an electrolyte solution, wherein the electrolyte solution contains a lithium salt and a solvent, the solvent includes a nitrile-based solvent, a fluorinated ether-based solvent, and a disulfide-based solvent in a specific volume ratio, and thus for the positive electrode that satisfies the specific conditions of high loading and low porosity, the initial discharging capacity and average discharging voltage of the lithium-sulfur secondary battery containing the electrolyte solution may be improved.