Title:
ELECTROLYTE SOLUTION FOR LITHIUM SECONDARY BATTERY
Document Type and Number:
Japanese Patent JP2019079597
Kind Code:
A
Abstract:
To provide an electrolyte solution for a lithium secondary battery, which can decrease the resistance of a lithium secondary battery and which can impart high cycle characteristics to the lithium secondary battery.SOLUTION: An electrolyte solution for a lithium secondary battery herein disclosed comprises: an electrolytic salt substantially formed from a lithium imide salt; a solvent including methyldifluoroacetate; and as an additive, an unsaturated anhydrous carboxylic acid compound represented by the formula (1) below. (In the formula, Rand Rare independently a hydrogen atom, a fluorine atom or an alkyl group which may be substituted with fluorine, and Rand Rbind to form a ring structure.)SELECTED DRAWING: None
Inventors:
KAWAI TOSHIYUKI
ASANO HIROTO
ASANO HIROTO
Application Number:
JP2017202906A
Publication Date:
May 23, 2019
Filing Date:
October 19, 2017
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
H01M10/0567; H01M10/052; H01M10/0568; H01M10/0569
Domestic Patent References:
| JP2015069704A | 2015-04-13 | |||
| JP2014525667A | 2014-09-29 |
Foreign References:
| US20100015516A1 | 2010-01-21 | |||
| CN105390748A | 2016-03-09 | |||
| WO2019031315A1 | 2019-02-14 |
Attorney, Agent or Firm:
Makoto Abe
Michiko Oi
Koji Amano
Michiko Oi
Koji Amano