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Title:
NONAQUEOUS ELECTROLYTE SOLUTION AND NONAQUEOUS ELECTROLYTE BATTERY USING SAME
Document Type and Number:
WIPO Patent Application WO/2017/208944
Kind Code:
A1
Abstract:
The objective of the present invention is to provide: a nonaqueous electrolyte solution which is capable of exhibiting high output characteristics at low temperatures even when a battery has been used to a certain extent, while exhibiting good high-rate characteristics at normal temperature, and which is also capable of similarly exhibiting a sufficient performance at low temperatures even after storage at high temperatures; and a nonaqueous electrolyte battery. A nonaqueous electrolyte solution for nonaqueous electrolyte batteries according to the present invention contains a nonaqueous solvent, an electrolyte which is dissolved in the nonaqueous solvent, (I) a difluoro ionic complex (1) represented by general formula (1), and (II) at least one compound selected from the group consisting of difluorophosphate salts, monofluorophosphate salts, salts having a specific imide anion, and specific silane compounds; and 95% by mole or more of the difluoro ionic complex (1) is a difluoro ionic complex (1-Cis) having a cis-type steric conformation represented by general formula (1-Cis).

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Inventors:
ITABASHI SAORI (JP)
SUZUKI KATSUTOSHI (JP)
TAKAHASHI MIKIHIRO (JP)
TAKEDA KAZUNARI (JP)
Application Number:
PCT/JP2017/019434
Publication Date:
December 07, 2017
Filing Date:
May 24, 2017
Export Citation:
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Assignee:
CENTRAL GLASS CO LTD (JP)
International Classes:
H01M10/0567; H01M4/38; H01M4/46; H01M4/48; H01M4/485; H01M4/505; H01M4/525; H01M4/58; H01M4/587; H01M10/052; H01M10/0568; H01M10/0569; H01M50/417; H01M50/429; C07C55/07; C07F1/02; C07F7/08; C07F7/12
Domestic Patent References:
WO2017026181A12017-02-16
WO2016117279A12016-07-28
WO2016117280A12016-07-28
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WO2013118661A12013-08-15
WO2004100293A12004-11-18
WO2004042851A22004-05-21
WO2007083155A12007-07-26
Foreign References:
JP2016035820A2016-03-17
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JPH0845545A1996-02-16
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JP2002110235A2002-04-12
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Other References:
J. CHEM. SOC.(A, vol. 15, 1970, pages 2569 - 2574
See also references of EP 3467928A4
Attorney, Agent or Firm:
SHOBAYASHI, Masayuki et al. (JP)
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