Title:
NON-AQUEOUS ELECTROLYTIC SOLUTION FOR LITHIUM AIR BATTERIES, AND LITHIUM AIR BATTERY USING SAME
Document Type and Number:
WIPO Patent Application WO/2018/225434
Kind Code:
A1
Abstract:
[Problem] To provide: a non-aqueous electrolytic solution for lithium air batteries, which is prevented from the occurrence of positive electrode overvoltage during charging, the reaction with an electrolytic solution and the growth of dendrites simultaneously, and which can improve output properties; and a lithium air battery provided with the non-aqueous electrolytic solution.
[Solution] A non-aqueous electrolytic solution for lithium air batteries according to the present invention contains an organic solvent and a lithium salt, wherein the lithium salt comprises at least LiX (wherein X represents Br and/or I) and lithium nitrate, the molar concentration (mol/L) of LiX in the non-aqueous electrolytic solution satisfies the range of equal to or more than 0.005 and equal to or less than 2.0, and the molar concentration (mol/L) of the lithium nitrate in the non-aqueous electrolytic solution satisfies the range of more than 0.1 and equal to or lower than 2.0.
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Inventors:
KUBO YOSHIMI (JP)
XIN XING (JP)
ITO KIMIHIKO (JP)
XIN XING (JP)
ITO KIMIHIKO (JP)
Application Number:
PCT/JP2018/017608
Publication Date:
December 13, 2018
Filing Date:
May 07, 2018
Export Citation:
Assignee:
NAT INST MATERIALS SCIENCE (JP)
International Classes:
H01M12/08
Foreign References:
| JP2005197175A | 2005-07-21 |
Other References:
NASYBULIN, EDUARD ET AL.: "Effects of Electrolyte Salts on the Performance of Li-OZ Batteries", JOURNAL OF PHYSICAL CHEMISTRY C, vol. 117, no. 6, 21 January 2013 (2013-01-21), pages 2635 - 2645, XP055561858, ISSN: 1932-7447
UDDIN, JASIM ET AL.: "Lithium Nitrate As Regenerable SEI Stabilizing Agent for Rechargeable Li/Oz Batteries", JOURNAL OF PHYSICAL CHEMISTRY LETTERS, vol. 4, no. 21, 21 October 2013 (2013-10-21), pages 3760 - 3765, XP055561868, ISSN: 1948-7185
E. NASYBULIN ET AL., J. PHYS. CHEM. C, vol. 117, 2013, pages 2635 - 2645
V. GIORDANI ET AL., J. ELECTROCHEM. SOC., vol. 160, no. 9, 2013, pages A1544 - A1550
See also references of EP 3637541A4
UDDIN, JASIM ET AL.: "Lithium Nitrate As Regenerable SEI Stabilizing Agent for Rechargeable Li/Oz Batteries", JOURNAL OF PHYSICAL CHEMISTRY LETTERS, vol. 4, no. 21, 21 October 2013 (2013-10-21), pages 3760 - 3765, XP055561868, ISSN: 1948-7185
E. NASYBULIN ET AL., J. PHYS. CHEM. C, vol. 117, 2013, pages 2635 - 2645
V. GIORDANI ET AL., J. ELECTROCHEM. SOC., vol. 160, no. 9, 2013, pages A1544 - A1550
See also references of EP 3637541A4
Attorney, Agent or Firm:
AIDA Satoru et al. (JP)
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