Preparation method and application of molybdenum selenide-based sodium storage electrode material

The invention discloses a preparation method of a molybdenum selenide-based sodium storage electrode material, which comprises the following steps: step 1, preparing a precursor, step 2, mixing and calcining, and the application comprises the application of the molybdenum selenide-based sodium storage electrode material MoSe2/P-C on a sodium ion battery. According to the preparation method disclosed by the invention, the lamellar powder material MoSe2/P-C which takes carbon as a substrate and is rich in P-Se bonds is obtained through simple freeze drying and subsequent calcining treatment, and the bonding strategy with the P-Se bonds is constructed to be combined with the carbon substrate, so that the structural stability of the electrode material is enhanced, the electronic conductivity is improved, and a new thought is provided for the design of other sodium ion battery electrode materials; the preparation method is simple, the cost is low, batch production is easy, and the prepared electrode material can e