▎ 摘　　要

NOVELTY - Preparing graphene aerogels loaded mesoporous lithium iron phosphate nanosheet complex comprises (i) adding 1.5-5 kg/m3 graphene oxide solution in a hydrothermal kettle, reacting for 4-10 hours at 120-220 degrees C, naturally cooling, freezing and drying to obtain the graphene gas gel, (ii) mixing lithium source, phosphate source and iron source in the ratio of 1:1: 1-1.05, mixing the lithium iron phosphate nano sheet of the alkene gas gel loaded mesoporous lithium iron phosphate nano complex material and the graphene surface three-dimensional macro-pore gas gel to obtain the product. USE - The method is useful for preparing graphene aerogels loaded mesoporous lithium iron phosphate nanosheet complex (claimed). ADVANTAGE - The method is simple process, easy to operate and suitable for industrial production. DETAILED DESCRIPTION - Preparing graphene aerogels loaded mesoporous lithium iron phosphate nanosheet complex comprises (i) adding 1.5-5 kg/m3 graphene oxide solution in a hydrothermal kettle, reacting for 4-10 hours at 120-220 degrees C, naturally cooling, freezing and drying to obtain the graphene gas gel, (ii) mixing lithium source, phosphate source and iron source in the ratio of 1:1: 1-1.05, adding the lithium source into the de-ionized water, stirring, ultrasonically dispersing to obtain sol I, the concentration of the phosphate source is 0.1-2 mol/l, (iii) dripping the sol I to adsorption saturated at the graphene air gel surface, drying for 5-6 hours at room temperature, drying for 10-15 hours to obtain the precursor II at 50-55 degrees C, (iv) adding the precursor II in a tubular atmosphere furnace, calcining for 5-12 hours at 600-750 degrees C, cooling to obtain graphene gas gel loaded mesoporous lithium iron phosphate nano complex material, mixing the lithium iron phosphate nano sheet of the alkene gas gel loaded mesoporous lithium iron phosphate nano complex material and the graphene surface three-dimensional macro-pore gas gel to obtain the product.