The invention provides a storage battery electrolyte. The material of the electrolyte is a storage battery electrolyte material, is formed by an organic carbonate-based solvent and an electrolyte salt, and also comprises an additive, and the additive is selected from one or more of 2,6-di-t-butyl-4-methylphenol, 1(H)-2-p-chlorobenzylbenzimidazole, anisole, cyclohexylbenzene and a mixture thereof.