▎ 摘　　要

NOVELTY - Preparing polymer-coated halide solid electrolyte involves dissolving the polymer in an oil solvent to form a solution, adding the halide solids into the solution to obtain a solid electrolyte suspension, and drying the solid electrolyte suspension to obtain the halide solid electrolyte coated by the polymer. USE - The method for preparing polymer-coated halide solid electrolyte is useful for solid-lithium-ion battery (claimed). ADVANTAGE - The method enables to prepare polymer-coated halide solid electrolyte, which is easy to manufacture, can avoid the halide solid electrolyte in the storage and the problem of moisture and difficult to dehydrate in the using process, effectively solves the problem of physical contact, improves the ion conductivity, so as to solve the problem that the electrolyte in the existing solid-state battery is bad, and has many the interface between the materials and high scale cost. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: a polymer-coated halide solid electrolyte material, is prepared as mentioned above; and a preparation method of solid-state battery. DESCRIPTION OF DRAWING(S) - The drawing shows a structural schematic view of a polymer-coated halide solid electrolyte. 1Polymer coating layer 2Halide electrolyte