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:
Feb. 17, 2009
Filed:
Jul. 15, 2004
Takitaro Yamaguchi, Yokohama, JP;
Ryuichi Shimizu, Yokohama, JP;
Hyun-jei Chung, Suwon-si, KR;
Cheol-soo Jung, Suwon-si, KR;
Hyeong-gon Noh, Suwon-si, KR;
Eui-hwan Song, Suwon-si, KR;
Joong-hun Kim, Suwon-si, KR;
Takitaro Yamaguchi, Yokohama, JP;
Ryuichi Shimizu, Yokohama, JP;
Hyun-Jei Chung, Suwon-si, KR;
Cheol-Soo Jung, Suwon-si, KR;
Hyeong-Gon Noh, Suwon-si, KR;
Eui-Hwan Song, Suwon-si, KR;
Joong-Hun Kim, Suwon-si, KR;
Samsung SDI Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Abstract
An electrolyte for a lithium secondary battery which has a non-aqueous organic solvent including a γ-butyrolactone and optionally a cyclic carbonate, an ester compound having an electron withdrawing group, and at least two salts. The lithium secondary battery including the electrolyte has good safety and good storage characteristics at high temperature.