Title:
リチウム二次電池用非水電解液及びそれを用いたリチウム二次電池
Document Type and Number:
Japanese Patent JP5704193
Kind Code:
B2
Abstract:
The present invention provides (1) a sulfone compounds having a propargyl group, (2) a nonaqueous electrolytic solution for lithium secondary batteries, which comprises an electrolyte salt dissolved in a nonaqueous solvent and contains a sulfone compound having a specific structure that has an SO 2 group with a propargyl group or a vinyl group bonding thereto, in an amount of from 0.01 to 10 % by weight of the nonaqueous electrolytic solution, and which can prevent gas generation and is excellent in battery characteristics such as cycle property and the like, and (3) a lithium secondary battery comprising a positive electrode, a negative electrode and a nonaqueous electrolytic solution of an electrolyte salt dissolved in a nonaqueous solvent, wherein the nonaqueous electrolytic solution contains a sulfone compound having a specific structure, in an amount of from 0.01 to 10 % by weight of the nonaqueous electrolytic solution.
Inventors:
Koji Abe
Kazuhiro Miyoshi
Ushikoshi Yoshihiro
Takase Manabu
Kazuyuki Kawabe
Kazuhiro Miyoshi
Ushikoshi Yoshihiro
Takase Manabu
Kazuyuki Kawabe
Application Number:
JP2013131402A
Publication Date:
April 22, 2015
Filing Date:
June 24, 2013
Export Citation:
Assignee:
Ube Industries,Ltd.
International Classes:
H01M10/0567; H01M4/131; H01M4/133; H01M4/134; H01M4/136; H01M10/052; H01M10/0568; H01M10/0569
Domestic Patent References:
| JP2007173147A | ||||
| JP2000021446A | ||||
| JP2002124297A |
Attorney, Agent or Firm:
Makoto Kataoka
Tamotsu Otani
Tamotsu Otani