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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.:

US 12255331 B1

PDFFull Text
Date of Patent:
Mar. 18, 2025

Filed:

Oct. 24, 2019

Lithium-sulfur secondary battery

Applicant:

Lg Energy Solution, Ltd., Seoul, KR;

Inventors:

Intae Park, Daejeon, KR;

Doo Kyung Yang, Daejeon, KR;

Youngcheol Choi, Daejeon, KR;

Soohyun Kim, Daejeon, KR;

Changhoon Lee, Daejeon, KR;

Assignee:

LG ENERGY SOLUTION, LTD., Seoul, KR;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Stephan J Essex

Int. Cl.
CPC ...
H01M 4/58 (2010.01); H01M 4/02 (2006.01); H01M 4/136 (2010.01); H01M 10/052 (2010.01); H01M 10/0569 (2010.01);
U.S. Cl.
CPC ...
H01M 4/5815 (2013.01); H01M 4/136 (2013.01); H01M 10/052 (2013.01); H01M 10/0569 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01); H01M 2300/0028 (2013.01);
Abstract

A lithium-sulfur secondary battery comprising a positive electrode, a negative electrode, a separator, and an electrolyte solution are provided. The positive electrode has an SC factor value of 0.45 or more. The electrolyte solution includes a solvent and a lithium salt, and the solvent includes a first solvent having a DVfactor value of 1.7 or less, and a second solvent which is a fluorinated ether-based solvent.

Find Patent Forward Citations

Park, Intae. (2025). Lithium-sulfur secondary battery (U.S. Patent No. 12255331). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12255331

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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