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Title:
二次電池用非水電解液
Document Type and Number:
Japanese Patent JP7174329
Kind Code:
B2
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

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Inventors:
Toshiyuki Kawai
Hiroto Asano
Application Number:
JP2019030433A
Publication Date:
November 17, 2022
Filing Date:
February 22, 2019
Export Citation:
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Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
H01M10/0567; H01G11/64
Domestic Patent References:
JP2012001459A
JP2018530141A
JP2013251137A
JP2017036273A
Attorney, Agent or Firm:
Makoto Abe
Michiko Oi
Amano Koji



 
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