Lithium-sulfur battery electrolyte and preparation method thereof

摘要: Disclosed is a lithium-sulfur battery electrolyte. The electrolyte comprises lithium salt, an organic solvent and tin matter additive, wherein the concentration of thelithium salt in 0.1-2mol/L; additive 0.2%-5%, balance solvent. preparation method following steps: step 1, glove box filled with argon gas, required solvents are mixed according to ratio, uniform mixing performed obtain basic solution, content values water oxygen both less than 10ppm; 2, dried vacuum drying added into basis solution ratio tobe mixed, battery, 3, for mixing, electrolyte, tin-containing 0.2%-5%.