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:
May. 07, 2013
Filed:
Jun. 29, 2010
Na-rae Park, Yongin-si, KR;
Jin-sung Kim, Yongin-si, KR;
Su-hee Han, Yongin-si, KR;
Jin-hyunk Lim, Yongin-si, KR;
Na-Rae Park, Yongin-si, KR;
Jin-Sung Kim, Yongin-si, KR;
Su-Hee Han, Yongin-si, KR;
Jin-Hyunk Lim, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
A rechargeable lithium battery including: a positive electrode including a nickel-based positive active material; a negative electrode including a negative active material; and an electrolyte including a non-aqueous organic solvent, a lithium salt, a first fluoroethylene carbonate additive, a second vinylethylene carbonate additive, and a third alkane sultone additive, wherein when the battery is thicker than about 5mm, a mixing weight ratio of the first fluoroethylene carbonate additive to the second vinylethylene carbonate additive ranges from about 5:1 to about 10:1, or when the battery is thinner than about 5 mm, the mixing weight ratio of the first fluoroethylene carbonate additive to the second vinylethylene carbonate additive ranges from about 1:1 to about 4:1.