Solid electrolyte membrane, all-solid-state battery using the same and methods of manufacturing thereof

A method of manufacturing a solid electrolyte membrane for an all-solid-state battery, the method comprising:

• preparing a first precursor solution including at least one of a lithium salt, a polymer material, or a first solid electrolyte material or combinations thereof;
• spinning the first precursor solution into a fiber-type by an electrospinning and weaving into a texture-type support;
• heating the support;
• and
• applying a second precursor solution on at least one side of the support and pressurizing to fill up pores of the support,
• wherein the support shows ion conductivity.

A solid electrolyte membrane for an all-solid-state battery, the solid electrolyte membrane comprising:

• a texture-type support comprising oppositely disposed first side and second side, and multiple pores inside thereof;
• and
• a solid electrolyte filling up the pores and covering at least one side of the support,
• wherein the support includes a polymer material and a first solid electrolyte material, the support showing ion conductivity, and
• the solid electrolyte includes a second solid electrolyte material,
• wherein the first solid electrolyte material includes an oxide-based solid electrolyte, and
• wherein the second solid electrolyte material includes a sulfide based solid electrolyte.