US 12,451,520 B2
Electrolytic solution and fluoride ion battery
Hirofumi Nakamoto, Sunto-gun Shizuoka-ken (JP)
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed by TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota Aichi-ken (JP)
Filed on Jun. 30, 2022, as Appl. No. 17/854,941.
Claims priority of application No. 2021-113290 (JP), filed on Jul. 8, 2021.
Prior Publication US 2023/0028385 A1, Jan. 26, 2023
Int. Cl. H01M 10/0569 (2010.01); H01M 10/054 (2010.01); H01M 10/0567 (2010.01); H01M 10/0568 (2010.01); H01M 4/58 (2010.01)
CPC H01M 10/0569 (2013.01) [H01M 10/054 (2013.01); H01M 10/0567 (2013.01); H01M 10/0568 (2013.01); H01M 4/582 (2013.01); H01M 2300/0028 (2013.01)] 12 Claims
OG exemplary drawing
 
1. An electrolytic solution comprising:
a solvent comprising 50 mol % or more of a glyme;
an Li salt containing an amide anion;
a F salt containing a cation of an alkali metal that is not Li; and
a trialkyl phosphate following general formula

OG Complex Work Unit Chemistry
wherein “p”, “q” and “r” in the general formula are each an integer of 1 or more and 10 or less,
wherein:
a concentration of the Li salt in the electrolytic solution is 2.5 mol/L or more and 6 mol/L or less;
a concentration of the F salt in the electrolytic solution is 0.1 mol/L or more and 3 mol/L or less; and
a concentration of the trialkyl phosphate in the electrolytic solution is 0.5 mol/L or more and 3 mol/L or less.