ELECTROLYTE AND ELECTROCHEMICAL DEVICE

Title:

ELECTROLYTE AND ELECTROCHEMICAL DEVICE

Document Type and Number:

WIPO Patent Application WO/2015/147000

Kind Code:

A1

Abstract:

The present invention provides an electrolyte that is compatible with increases in voltage in an electrochemical device and that improves high-temperature storage characteristics and cycle characteristics of the electrochemical device, and an electrochemical device. An electrolyte characterized in containing: a solvent that contains a fluorinated saturated cyclic carbonate and a fluorinated chain carbonate; at least one sulfur compound selected from the group consisting of compounds having a ‒SO2‒ bond, compounds having a ‒SO3‒ bond, and compounds having a ‒SO4‒ bond; and an electrolyte salt; the fluorinated chain carbonate having a fluorine content of 31.0-70.0% by mass.

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Inventors:

ARIMA HIROYUKI
SAKATA HIDEO
YAMAZAKI SHIGEAKI
KINOSHITA SHINICHI

Application Number:

PCT/JP2015/058961

Publication Date:

October 01, 2015

Filing Date:

March 24, 2015

Export Citation:

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Assignee:

DAIKIN IND LTD (JP)

International Classes:

H01M10/0569; H01G11/60; H01G11/64; H01M10/052; H01M10/0567

Foreign References:

JP2007305352A	2007-11-22
JP2010257805A	2010-11-11
JP5192237B2	2013-05-08
JP2009170146A	2009-07-30

Other References: