Abstract: Disclosed are includes a solid-liquid composite electrolyte, and a composite electrolyte film, and a semi-solid rechargeable battery including the same, the solid-liquid composite electrolyte including a sulfide-based solid electrolyte and a liquid electrolyte, wherein the liquid electrolyte includes a salt and an organic solvent, an anion in the salt is OTf?, FSI?, or a combination thereof, and a concentration of the liquid electrolyte is about 2.5 m to about 20 m, wherein the solid-liquid composite electrolyte further comprises at least one of an additive, a diluent, and a polymer.

Abstract: Disclosed are includes a solid-liquid composite electrolyte, and a composite electrolyte film, and a semi-solid rechargeable battery including the same, the solid-liquid composite electrolyte including a sulfide-based solid electrolyte and a liquid electrolyte, wherein the liquid electrolyte includes a salt and an organic solvent, the salt includes a metal cation and an anion with a radius of less than about 295 pm, wherein the solid-liquid composite electrolyte further comprises at least one of an additive, a diluent, and a polymer.

Abstract: Disclosed are a solid-liquid composite electrolyte, and a semi-solid secondary battery including the same, the solid-liquid composite electrolyte including a sulfide-based solid electrolyte and a liquid electrolyte, wherein the liquid electrolyte includes a salt and a fluorinated organic solvent that dissolves the salt, and the solid-liquid composite electrolyte further comprises at least one of an additive, a diluent, and a polymer.