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:
Apr. 28, 2015
Filed:
Sep. 23, 2011
Su-hee Han, Yongin-si, KR;
Su-Hee Han, Yongin-si, KR;
Samsung SDI Co., Ltd., Giheung-gu, Yongin-si, Gyeonggi-do, KR;
Abstract
The present invention discloses a rechargeable lithium battery including a positive electrode, a negative electrode including lithium titanate represented by Chemical Formula 1, and an electrolyte impregnating the positive and negative electrodes and including a sultone-based compound and maleic anhydride, wherein the sultone-based compound and the maleic anhydride are respectively included in an amount of about 0.5 wt % to about 5 wt % based on the total weight of the electrolyte. Chemical Formula 1: LiTiMO. In Chemical Formula 1, M is an element selected from Mg, V, Cr, Nb, Fe, Ni, Co, Mn, W, Al, Ga, Cu, Mo, P, or a combination thereof, 0≦x≦1, 0≦y≦1.