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. 23, 2010
Filed:
Oct. 25, 2005
Sang-eun Cheon, Suwon-si, KR;
Seok-yoon Yoo, Suwon-si, KR;
Hye-won Yoon, Suwon-si, KR;
Jae-kyung Kim, Suwon-si, KR;
Sang-Eun Cheon, Suwon-si, KR;
Seok-Yoon Yoo, Suwon-si, KR;
Hye-Won Yoon, Suwon-si, KR;
Jae-Kyung Kim, Suwon-si, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
The present invention relates to a conductive agent/positive active material composite for a lithium secondary battery. The composite includes a positive active material capable of reversibly intercalating/deintercalating lithium ions, and a conductive agent on the surface of the positive active material. The conductive agent comprises a first conductive agent having a specific surface area ranging from about 200 to about 1500 m/g and a second conductive agent having a specific surface area of about 100 m/g or less.