Invention Grant
- Patent Title: Nonaqueous electrolytic solution for lithium secondary battery and lithium secondary battery using the same
- Patent Title (中): 用于锂二次电池的非水电解液和使用其的锂二次电池
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Application No.: US10564852Application Date: 2004-07-16
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Publication No.: US08163427B2Publication Date: 2012-04-24
- Inventor: Koji Abe , Kazuhiro Miyoshi , Takaaki Kuwata
- Applicant: Koji Abe , Kazuhiro Miyoshi , Takaaki Kuwata
- Applicant Address: JP Ube-shi, Yamaguchi
- Assignee: Ube Industries, Ltd.
- Current Assignee: Ube Industries, Ltd.
- Current Assignee Address: JP Ube-shi, Yamaguchi
- Agency: Nixon Peabody LLP
- Agent Jeffrey L. Costellia
- Priority: JP2003-198421 20030717; JP2003-383403 20031113
- International Application: PCT/JP2004/010194 WO 20040716
- International Announcement: WO2005/008829 WO 20050127
- Main IPC: H01M6/16
- IPC: H01M6/16

Abstract:
A non-aqueous electrolytic solution is advantageously used in preparation of a lithium secondary battery excellent in cycle characteristics. In the non-aqueous electrolytic solution for a lithium secondary battery, an electrolyte salt is dissolved in a non-aqueous solvent. The non-aqueous electrolytic solution further contains a vinylene carbonate compound in an amount of 0.01 to 10 wt. %, and an alkyne compound in an amount of 0.01 to 10 wt. %.
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