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. 09, 2026
Filed:
Oct. 27, 2022
Hyundai Motor Company, Seoul, KR;
Kia Corporation, Seoul, KR;
The Industry & Academic Cooperation IN Chungnam National University (Iac), Daejeon, KR;
Ko Eun Kim, Cheongju, KR;
Seung Min Oh, Incheon, KR;
Yoon Sung Lee, Suwon, KR;
Sung Ho Ban, Hwaseong, KR;
Jun Ki Rhee, Suwon, KR;
Hui Beom Nam, Hwaseong, KR;
Seung Wan Song, Sejong, KR;
Min Geun Oh, Daejeon, KR;
Se Hyun Kwak, Daejeon, KR;
Hyundai Motor Company, Seoul, KR;
Kia Corporation, Seoul, KR;
The Industry & Academic Cooperation in Chungnam National University (IAC), Daejeon, KR;
Abstract
Disclosed are an electrolytic solution for lithium secondary batteries capable of improving lifespan characteristics of a lithium secondary battery under a high voltage condition and a lithium secondary battery including the same. The electrolytic solution may includes a lithium salt, a solvent, and a functional additive. In particular, the functional additive includes a high-voltage additive including a first high-voltage additive, e.g., hexafluoroglutaric anhydride, and a second high-voltage additive, e.g., fluoroethylene carbonate.