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:
Apr. 12, 2011
Filed:
Dec. 27, 2007
Jonghwan Kim, Daejeon, KR;
Jisang Yu, Daejeon, KR;
Jeong-ju Cho, Daejeon, KR;
Hochun Lee, Daejeon, KR;
Joomi Jeon, Chungcheongbuk-do, KR;
Yongsu Choi, Chungcheongbuk-do, KR;
Ra Young Hwang, Daejeon, KR;
Jonghwan Kim, Daejeon, KR;
Jisang Yu, Daejeon, KR;
Jeong-Ju Cho, Daejeon, KR;
Hochun Lee, Daejeon, KR;
Joomi Jeon, Chungcheongbuk-do, KR;
Yongsu Choi, Chungcheongbuk-do, KR;
Ra Young Hwang, Daejeon, KR;
LG Chem, Ltd., Seoul, KR;
Abstract
Disclosed is a lithium secondary battery comprising a cathode including a lithium-containing transition metal oxide, an anode including a carbon-based material, and a non-aqueous electrolyte with addition of a compound of formula (1). Incorporation of the compound (1) into the electrolyte significantly improves the high-temperature performance and cycle life characteristics of the battery.