	US 12,347,826 B2
	Solid electrolyte
Kazuaki Kanai, Osaka (JP); and Makio Naito, Osaka (JP)
Assigned to KANEKA CORPORATION, Osaka (JP); and OSAKA UNIVERSITY, Osaka (JP)
Filed by KANEKA CORPORATION, Osaka (JP); and OSAKA UNIVERSITY, Osaka (JP)
Filed on Aug. 3, 2022, as Appl. No. 17/880,195.
Application 17/880,195 is a continuation of application No. PCT/JP2021/003720, filed on Feb. 2, 2021.
Claims priority of application No. 2020-018115 (JP), filed on Feb. 5, 2020.
Prior Publication US 2022/0376294 A1, Nov. 24, 2022
Int. Cl. H01M 10/0562 (2010.01); C04B 35/48 (2006.01); H01M 10/0525 (2010.01)

CPC H01M 10/0562 (2013.01) [C04B 35/48 (2013.01); C04B 2235/3248 (2013.01); C04B 2235/445 (2013.01); C04B 2235/761 (2013.01); C04B 2235/764 (2013.01); H01M 10/0525 (2013.01); H01M 2300/0077 (2013.01)]

10 Claims

1. A solid electrolyte comprising:

a garnet-type composite metal oxide phase (L); and

a phase (D) different from the phase (L),

wherein:

the phase (L) contains Li, La, Zr, O, and Ga,

an Li site in the phase (L) is substituted with the Ga,

a lattice constant of the solid electrolyte is not smaller than 12.96 Å, and

the phase (D) contains at least one selected from the group consisting of LiF, BaZrO₃, YF₃, SrF₂, and ScF₃.