Title:
ELECTROLYTE SOLUTION FOR SECONDARY BATTERY
Document Type and Number:
Japanese Patent JP2020136161
Kind Code:
A
Abstract:
To provide a nonaqueous electrolyte solution arranged for a secondary battery with an imidazolium salt added thereto, which enables the reduction in the resistance of a secondary battery and enables the enhancement in the durability under a high-temperature condition.SOLUTION: An electrolyte solution for a secondary battery, disclosed herein comprises an imidazolium salt as an additive agent. The imidazolium salt is a salt of a dialkyl imidazolium cation, and a phosphoric acid ester anion or phosphonic ester anion. In the nonaqueous electrolyte solution, the content of the imidazolium salt is over 0 mass% and 1.5 mass% or less.SELECTED DRAWING: None
Inventors:
KAWAI TOSHIYUKI
ASANO HIROTO
ASANO HIROTO
Application Number:
JP2019030433A
Publication Date:
August 31, 2020
Filing Date:
February 22, 2019
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
H01M10/0567
Domestic Patent References:
| JP2013251137A | 2013-12-12 | |||
| JP2017036273A | 2017-02-16 | |||
| JP2012001459A | 2012-01-05 | |||
| JP2018530141A | 2018-10-11 |
Attorney, Agent or Firm:
Makoto Abe
Michiko Oi
Koji Amano
Michiko Oi
Koji Amano