Granted Patent B2

US 12,209,030 · App. 16/930,439 · Granted Jan 28, 2025

Inventors: Masashi Sakaida (Hyogo, JP); Tetsuya Asano (Nara, JP); Akihiro Sakai (Nara, JP); Yusuke Nishio (Osaka, JP); Akinobu Miyazaki (Osaka, JP); Shinya Hasegawa (Kyoto, JP)

Assignee: Panasonic Intellectual Property Management Co., Ltd.

C01F17/36C01D15/04C01G25/006H01M10/0525H01M10/0562C01P2006/40H01M2300/008

Abstract

Claims (57)

1. A solid electrolyte material represented by a composition formula Li a Y b M c X 6-d F d ,

where

M includes at least one kind selected from the group consisting of metalloid elements and metal elements other than Li and Y;

X is at least one kind selected from the group consisting of Cl, Br, and I;

0<a;

0<b;

0≤c; and

0<d<6.

2. The solid electrolyte material according to claim 1 , wherein

2≤a≤3.3;

0.6≤b≤1.33;

0≤c≤1;

1≤d≤3; and

a+3b+mc=6 are satisfied,

where

m is a valence of M; and

m=0 in a case where c=0.

3. The solid electrolyte material according to claim 1 , wherein

c=0 is satisfied.

4. The solid electrolyte material according to claim 3 , wherein

0.9≤b≤1.33 is satisfied.

5. The solid electrolyte material according to claim 1 , wherein

0<c is satisfied; and

M is at least one kind selected from the group consisting of Ca, Sr, Ba, Zr, and Al.

6. The solid electrolyte material according to claim 5 , wherein

M includes Ca; and

0.05≤c≤1 is satisfied.

7. The solid electrolyte material according to claim 6 , wherein

0.6≤b≤1.17 is satisfied.

8. The solid electrolyte material according to claim 5 , wherein

M includes Sr; and

0.15≤c≤0.3 is satisfied.

9. The solid electrolyte material according to claim 8 , wherein

2.4≤a≤2.7 is satisfied.

10. The solid electrolyte material according to claim 5 , wherein

M includes Ba; and

0.15≤c≤0.6 is satisfied.

11. The solid electrolyte material according to claim 10 , wherein

0.8≤b≤1 is satisfied.

12. The solid electrolyte material according to claim 5 , wherein

M includes Al; and

c=0.1 and b=0.9 are satisfied.

13. The solid electrolyte material according to claim 5 , wherein

M includes Zr; and

0.15≤c≤0.3 is satisfied.

14. The solid electrolyte material according to claim 13 , wherein

0.7≤b≤0.85 is satisfied.

15. A battery, comprising:

the solid electrolyte material according to claim 1 ;

a positive electrode;

a negative electrode; and

an electrolyte layer disposed between the positive electrode and the negative electrode,

wherein

at least one selected from the group consisting of the positive electrode, the negative electrode, and the electrolyte layer includes the solid electrolyte material.

16. The solid electrolyte material according to claim 1 , wherein

0<c is satisfied, and

M is at least one kind selected from the group consisting of Mg, Ca, Sr, Ba, Zn, Sc, Al, Ga, Bi, Zr, Hf, Ti, Sn, Ta, Nb, B, Si, Ge, As, Sb, and Te.

Assignments (1)

Priority Claims (1)

Continuity (2)

References Cited (147)