INTERMEDIATE PRODUCT OF SOLID ELECTROLYTE, SOLID ELECTROLYTE USING SAME, SECONDARY BATTERY INCLUDING SAME, AND METHOD FOR MANUFACTURING SAME

Provided is an intermediate product of a solid electrolyte. The intermediate product of a solid electrolyte may comprise: a compound in which a cation including thiophenium or thiazolium and an anion including fluorohydrogenate are bound, and a solvent in which the compound is mixed.