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:
Nov. 29, 2011
Filed:
Nov. 15, 2006
BO Hyun Kim, Seoul, KR;
Jisang Yu, Daejeon, KR;
Sung-woo Kim, Daejeon, KR;
Ra Young Hwang, Seoul, KR;
John E. Namgoong, Daejeon, KR;
Bo Hyun Kim, Seoul, KR;
Jisang Yu, Daejeon, KR;
Sung-Woo Kim, Daejeon, KR;
Ra Young Hwang, Seoul, KR;
John E. Namgoong, Daejeon, KR;
LG Chem, Ltd., , KR;
Abstract
Provided is a lithium secondary battery which uses a lithium manganese metal oxide as a cathode active material and a non-graphitic carbon material as an anode active material, and based on the total weight of the electrolyte, contains 0.1 to 20% by weight of a salt represented by Formula I in a lithium salt-containing non-aqueous electrolyte:RXYZ  (I) The lithium secondary battery of the present invention can improve low-temperature properties of the battery by increasing the lithium ion-electrode reactivity and decreasing the electrode-interface resistance, via the formation of a charge double layer at the cathode-anode interface upon charging/discharging of the battery at a low temperature, and therefore can be preferably used in medium/large battery systems such as power sources for electric vehicles (EVs) and hybrid electric vehicles (HEVs) requiring operation under severe conditions.