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:
Jan. 24, 2012
Filed:
Aug. 09, 2007
Jeom-soo Kim, Suwon-si, KR;
Jin-bum Kim, Suwon-si, KR;
Yong-chul Park, Suwon-si, KR;
Duck-chul Hwang, Suwon-si, KR;
Jong-hwa Lee, Suwon-si, KR;
Jeom-Soo Kim, Suwon-si, KR;
Jin-Bum Kim, Suwon-si, KR;
Yong-Chul Park, Suwon-si, KR;
Duck-Chul Hwang, Suwon-si, KR;
Jong-Hwa Lee, Suwon-si, KR;
Samsung SDI Co., Ltd., Gongse-dong, Giheung-gu, Yongin-si, Gyeonggi-do, KR;
Abstract
A rechargeable lithium battery includes a positive electrode including a positive active material being capable of intercalating and deintercalating lithium ions; a negative electrode including a negative active material being capable of intercalating and deintercalating lithium ions; and an electrolyte including a non-aqueous organic solvent and a lithium salt. The positive electrode has a positive active mass density of 3.65 g/cc or more, and the lithium salt includes lithium hexafluorophosphate (LiPF), lithium tetrafluoroborate (LiBF), and a lithium imide-based compound. The rechargeable lithium battery has high capacity, excellent cycle-life, and reliability at a high temperature.