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:
Feb. 02, 2016
Filed:
Dec. 02, 2013
Ji-jun Hong, Seoul, KR;
In-beom Hwang, Seoul, KR;
Sung-tae Ko, Chungcheongnam-do, KR;
Yoon-jeong Heo, Chungcheongnam-do, KR;
Ji-Jun Hong, Seoul, KR;
In-Beom Hwang, Seoul, KR;
Sung-Tae Ko, Chungcheongnam-do, KR;
Yoon-Jeong Heo, Chungcheongnam-do, KR;
KOKAM CO., LTD., Gyeonggi-do, KR;
Abstract
The present invention relates to a lithium secondary battery. More specifically, according to embodiments of the present invention the lithium battery, which includes a cathode, an anode, and a separate membrane inserted between the cathode and the anode, is characterized in that the separator membrane is a polyolefin porous membrane which has an aramid coating layer; and the cathode includes a lithium metal oxide cathode active material which has an olivine-type iron phosphate lithium coating layer, or the anode includes a carbon anode active material which has a spinel-type lithium titanium oxide coating layer. The lithium secondary battery in accordance with embodiments of the present invention has excellent basic electric performance and improved stability.