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. 17, 2015
Filed:
Jul. 09, 2010
Yeon-suk Hong, Daejeon, KR;
Jae-seung OH, Seoul, KR;
Ji-won Park, Daejeon, KR;
Byoung-bae Lee, Chungcheongnam-do, KR;
Dong-su Kim, Daejeon, KR;
Hyo-jin Lee, Daejeon, KR;
Yeon-Suk Hong, Daejeon, KR;
Jae-Seung Oh, Seoul, KR;
Ji-Won Park, Daejeon, KR;
Byoung-Bae Lee, Chungcheongnam-do, KR;
Dong-Su Kim, Daejeon, KR;
Hyo-Jin Lee, Daejeon, KR;
LG Chem, Ltd., Seoul, KR;
Abstract
Disclosed is a non-aqueous electrolyte solution for a lithium secondary battery. The non-aqueous electrolyte solution includes a lithium salt, an organic solvent and additives. The additives include: 1 to 10% by weight of a mixture of a particular halogenated cyclic carbonate and a compound containing a vinylene or vinyl group; and 0.1 to 9% by weight of a nitrile compound having a C-Calkoxyalkyl group. A lithium secondary battery including the non-aqueous electrolyte solution is also disclosed. The lithium secondary battery is protected from catching fire when overcharged and is prevented from swelling during storage at high temperature.