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Title:
NONAQUEOUS ELECTROLYTE SOLUTION AND NONAQUEOUS SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2020/262670
Kind Code:
A1
Abstract:
Provided is a nonaqueous electrolyte solution comprising a nonaqueous solvent containing acetonitrile in an amount of 5 to 95% by volume, a lithium salt, and at least one compound having a structure that satisfies the following requirements 1 to 5: 1. the compound is a condensed polycyclic heterocyclic compound; 2. a pyrimidine skeleton is contained in the condensed polycyclic heterocyclic ring; 3. at least three nitrogen atoms are contained in the condensed polycyclic heterocyclic ring; 4. at least five sp2 carbon atoms are contained in the condensed polycyclic heterocyclic ring; and 5. no hydrogen atom is bonded to the nitrogen atoms in the condensed polycyclic heterocyclic ring.

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Inventors:
SHOJI KOSUKE (JP)
MATSUOKA NAOKI (JP)
Application Number:
PCT/JP2020/025384
Publication Date:
December 30, 2020
Filing Date:
June 26, 2020
Export Citation:
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Assignee:
ASAHI CHEMICAL IND (JP)
International Classes:
C01G53/00; C07D473/12; C07F1/02; H01M4/13; H01M4/36; H01M4/38; H01M4/42; H01M4/46; H01M4/505; H01M4/525; H01M4/58; H01M4/587; H01M10/052; H01M10/0525; H01M10/0567; H01M10/0568; H01M10/0569
Domestic Patent References:
WO2018083937A12018-05-11
WO2013062056A12013-05-02
WO2013146714A12013-10-03
WO2016159117A12016-10-06
WO2013183673A12013-12-12
WO2016068022A12016-05-06
Foreign References:
US20120251892A12012-10-04
JP2014154247A2014-08-25
JP2017010924A2017-01-12
JP2020047394A2020-03-26
JPH04351860A1992-12-07
JP2009021134A2009-01-29
JP2001307737A2001-11-02
US20120251892A12012-10-04
Other References:
See also references of EP 3831780A4
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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