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. 05, 2013
Filed:
Nov. 21, 2007
Kyoung-han Yew, Suwon-si, KR;
Nam-soon Choi, Suwon-si, KR;
Sung-soo Kim, Suwon-si, KR;
Su-yeong Park, Suwon-si, KR;
Kyoung-Han Yew, Suwon-si, KR;
Nam-Soon Choi, Suwon-si, KR;
Sung-Soo Kim, Suwon-si, KR;
Su-Yeong Park, Suwon-si, KR;
Samsung SDI Co., Ltd., Gongse-dong, Giheung-gu, Yongin-si, Gyeonggi-do, KR;
Abstract
A negative active material for a rechargeable lithium battery of the present invention includes a lithium-vanadium oxide core material being capable of performing reversible electrochemical oxidation and reduction, and an inorganic oxide coating layer disposed on the surface of the core material. The negative active material can improve stability at the interface between a negative electrode and an electrolyte, charge and discharge efficiency, and cycle-life, and can be applied along with all kinds of aqueous and non-aqueous binders.