▎ 摘　　要

NOVELTY - Preparation of two-dimensional lithium doped graphene comprises mixing talc aqueous solution and sodium butyrate, stirring, aging, separating precipitate, washing precipitate with deionized water, drying; adding to n-butyllithium in pentane solution, stirring, vacuum drying under nitrogen protection, grinding, sieving; vacuum sintering, cooling; adding hydrochloric acid solution, stirring under nitrogen protection, separating precipitate, drying; vacuum heating, and cooling. USE - Method for preparing two-dimensional lithium doped graphene (claimed). ADVANTAGE - The material is simple, and has mild preparation condition. DETAILED DESCRIPTION - Preparation of two-dimensional lithium doped graphene comprises mixing 1% 20-50 meshes talc aqueous solution and 1% 0.5-1 mmol sodium butyrate, stirring for 5-6 hours in 60-70 degrees C water bath, aging for 12-24 hours, separating precipitate from liquid, washing precipitate with deionized water for 2-3 times, drying to obtain sodium butyrate-modified hydrotalcite; adding 1 g sodium butyrate-modified hydrotalcite to 3-5 ml 10-15% n-butyllithium in pentane solution, stirring for 2-3 hours, vacuum drying under nitrogen protection at 60-80 degrees C for 15-30 hours, grinding, passing through 20-40 meshes sieve; heating in a vacuum tubular furnace to 400-600 degrees C, vacuum sintering for 2-4 hours, cooling to room temperature to obtain powder; adding 5-10 ml 20-40% hydrochloric acid solution per gram of powder, stirring for 3-4 hours under nitrogen protection, separating precipitate, drying; vacuum heating to 2000-2500 degrees C for 3-6 hours, and cooling.