ELECTROLYTIC SOLUTION, ELECTROCHEMICAL DEVICE, LITHIUM-ION SECONDARY CELL, AND MODULE

Title:

ELECTROLYTIC SOLUTION, ELECTROCHEMICAL DEVICE, LITHIUM-ION SECONDARY CELL, AND MODULE

Document Type and Number:

WIPO Patent Application WO/2019/093161

Kind Code:

A1

Abstract:

Provided is an electrolytic solution with which it is possible to improve the cycle characteristics and high-temperature storage properties of an electrochemical device. An electrolytic solution characterized in containing at least one compound selected from the group consisting of compounds represented by general formulae (1-1) (where Rf111 may be the same or different and are a C2-4 fluorinated alkenyl group), (1-2) (where R121 is a C1-4 alkyl group, and Rf121 is a C2-4 fluorinated alkenyl group), and (1-3) (where Rf131 is a C1-3 fluorinated alkyl group and R131 is a C6-12 aryl group).

Inventors:

KUWAJIMA YOSHIKO (JP)
HAYASHI KOTARO (JP)
NAKAMURA HISAKO (JP)
YAMADA TAKAYA (JP)
SUZUKI YUUKI (JP)
YAMAZAKI SHIGEAKI (JP)
YAMAUCHI AKIYOSHI (JP)
TAKAHASHI KENZOU (JP)

Application Number:

PCT/JP2018/039910

Publication Date:

May 16, 2019

Filing Date:

October 26, 2018

Export Citation:

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Assignee:

DAIKIN IND LTD (JP)

International Classes:

H01M10/0567; C07C69/36; H01G11/64; H01M10/052

Foreign References:

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Other References: