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. 19, 2005
Filed:
Jun. 15, 2000
Minoru Kotato, Ibaraki, JP;
Takashi Fujii, Ibaraki, JP;
Noriko Shima, Ibaraki, JP;
Hitoshi Suzuki, Ibaraki, JP;
Minoru Kotato, Ibaraki, JP;
Takashi Fujii, Ibaraki, JP;
Noriko Shima, Ibaraki, JP;
Hitoshi Suzuki, Ibaraki, JP;
Mitsubishi Chemical Corporation, Tokyo, JP;
Abstract
A non-aqueous electrolyte secondary battery comprising a negative electrode, a positive electrode and an electrolyte having a lithium salt dissolved in a non-aqueous solvent characterized in that said non-aqueous solvent contains a vinylethylene carbonate compound represented by the general formula (I) in an amount of from 0.01 to 20% by weight is subject to minimized decomposition of the electrolyte and can provide a high capacity as well as exhibits excellent storage properties and cycle life performance.wherein R, R, R, R, Rand Reach independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms.