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Patent Searching and Data


Title:
ELECTROLYTE SOLUTION, ELECTROCHEMICAL DEVICE, SECONDARY BATTERY, AND MODULE
Document Type and Number:
WIPO Patent Application WO/2018/016246
Kind Code:
A1
Abstract:
Provided is an electrolyte solution that makes it possible to obtain a module or an electrochemical device such as a lithium secondary battery having a small IV resistance value (internal resistance) and excellent high-temperature storage characteristics. The electrolyte solution is characterized by comprising: a solvent that contains a fluorinated chain carbonate having a fluorine content of 33-70 mass%; at least one type of organic silicon compound selected from the group consisting of compounds represented by general formula (1), namely (R11)n11-M11-O-SiR12R13R14, and compounds represented by general formula (2), namely R21R22R23-Si-F; a lithium salt (3) having an oxalate complex as an anion; and a lithium salt (4) represented by general formula (4), namely LizM31FxOy.

Inventors:
SAKATA HIDEO (JP)
TAKAHASHI KENZOU (JP)
ARIMA HIROYUKI (JP)
YAMAZAKI SHIGEAKI (JP)
KINOSHITA SHINICHI (JP)
Application Number:
PCT/JP2017/022251
Publication Date:
January 25, 2018
Filing Date:
June 16, 2017
Export Citation:
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Assignee:
DAIKIN IND LTD (JP)
International Classes:
H01M10/0567; H01G9/20; H01G11/60; H01G11/62; H01G11/64; H01M10/052; H01M10/0568; H01M10/0569
Domestic Patent References:
WO2016006607A12016-01-14
Foreign References:
JP2015072856A2015-04-16
JP2016035820A2016-03-17
JP2015072863A2015-04-16
JP2004087459A2004-03-18
JP2011049152A2011-03-10
JP2016186910A2016-10-27
Other References:
See also references of EP 3483974A4
Attorney, Agent or Firm:
YASUTOMI & ASSOCIATES (JP)
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