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:
Sep. 12, 2000
Filed:
Sep. 04, 1998
Doo-yeon Lee, Uiwang, KR;
Seok-gwang Doo, Sungnam, KR;
Yuong-soo Son, Seoul, KR;
Bok-hwan Jung, Seoul, KR;
Samsung Electronics Co., Ltd., Suwon, KR;
Abstract
An organic electrolyte containing an organic solvent mixture and a lithium (Li) salt, and a lithium secondary cell adopting the electrolyte. The organic electrolyte contains the organic solvent mixture comprising a solvent having a high dielectric constant, a solvent having a low viscosity and a compound expressed by the following chemical formula (1): ##STR1## wherein R.sub.1 and R.sub.2 are independently C.sub.1 to C.sub.3 linear or cyclic alkyl, and x is an integer from 1 to 4. The organic electrolyte for a lithium secondary cell is improved in ion conductivity, low-temperature storage characteristics, and a wide potential window region. Also, the lithium salt may be a mixture of inorganic lithium salts and organic lithium salts. A lithium secondary cell adopting the electrolyte containing both inorganic lithium salts and organic lithium salts has a large capacity and stable charging/discharging characteristics, thereby improving high-temperature characteristics, self-discharging characteristics as well as life span characteristics.