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. 04, 2014
Filed:
Sep. 23, 2011
Woon-suk Jang, Yongin-si, KR;
Chae-woong Cho, Yongin-si, KR;
Bum-jin Chang, Yongin-si, KR;
Ki-jun Kim, Yongin-si, KR;
Kwi-seok Choi, Yongin-si, KR;
Woon-Suk Jang, Yongin-si, KR;
Chae-Woong Cho, Yongin-si, KR;
Bum-Jin Chang, Yongin-si, KR;
Ki-Jun Kim, Yongin-si, KR;
Kwi-Seok Choi, Yongin-si, KR;
Samsung SDI Co., Ltd., Giheung-gu, Yongin-si, Gyeonggi-do, KR;
Abstract
Disclosed is a positive active material for a rechargeable lithium battery and a rechargeable lithium battery including the same, and the positive active material includes a carbon material having a structure with 'n' polycyclic nano sheets, wherein 'n' is an integer of 1 to 30 with hexagonal rings having six carbon atoms condensed and substantially aligned in a plane, the polycyclic nano sheets are laminated in a vertical direction to the plane; and a lithium-containing olivine-based compound attached to the surface of the carbon material is formed with a carbon-coating layer on its surface.