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:
Jul. 18, 2006
Filed:
Sep. 13, 2004
Kwang-chun Kim, Seoul, KR;
Jin-sung Kim, Cheonan-si, KR;
Min-ho Song, Cheonan-si, KR;
Jang-ho Yoon, Cheonan-si, KR;
Teak-hyen Kwon, Gangneung-si, KR;
Jin-uk Lee, Asan-si, KR;
Chang-seob Kim, Cheonan-si, KR;
Kwang-Chun Kim, Seoul, KR;
Jin-Sung Kim, Cheonan-si, KR;
Min-Ho Song, Cheonan-si, KR;
Jang-Ho Yoon, Cheonan-si, KR;
Teak-Hyen Kwon, Gangneung-si, KR;
Jin-Uk Lee, Asan-si, KR;
Chang-Seob Kim, Cheonan-si, KR;
Samsung SDI Co., Ltd., Suwon-si, KR;
Abstract
A lithium battery which has an anode, a cathode having a compound capable of intercalating and deintercalating lithium, a separator interposed between the cathode and the anode, and an electrolyte solution having an electrolyte solute dissolved in a nonaqueous solvent. The nonaqueous solvent includes a mixed solvent containing 8 to 15% by volume of ethylene carbonate, 10 to 35% by volume of γ-butyrolactone, 35 to 65% by volume of at least one linear carbonate selected from the group consisting of dimethyl carbonate, diethyl carbonate, ethylmethyl carbonate, methylpropyl carbonate, ethylpropyl carbonate and methylbutyl carbonate and 8 to 15% by volume of fluorobenzene, and 0.5 to 9 parts by volume of vinylene carbonate based on 100 parts by volume of the mixed solvent. The nonaqueous solvent may further include 0.05 to 5 parts by volume of vinyl sulfone, isooxazole or a mixture thereof based on 100 parts by volume of the mixed solvent.