Patent ID: 11923502
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 3:
4. The all-solid secondary battery of claim 1, wherein the second solid electrolyte includes a compound having an argyrodite crystal structure and represented by Formula 2, Formula 2-1, or a combination thereof,

LiaMxPSb(Cl)d  Formula 2

wherein, M is Na, K, Fe, Mg, Ca, Ag, Cu, Zr, Zn, or a combination thereof; and
0≤x≤0.07, a is a number from 5 to 6, b is a number from 4 to 6, 0<d≤2, and 5≤a+x≤6,

LiaMxPSb(X1)c1(Cl)d1  Formula 2-1

wherein, in Formula 2-1, M is Na, K, Fe, Mg, Ca, Ag, Cu, Zr, Zn, or a combination thereof;
X1 is Br, I, or a combination thereof and
0≤x≤0.07, a is a number from 5 to 6, b is a number from 4 to 6, c1>0, d1>0, 0<c1+d1≤2, and 5≤a+x≤6.