▎ 摘　　要

NOVELTY - Coating alpha-aluminum hydride comprises weighing sodium hydride, aluminum chloride, lithium borohydride, and graphene oxide powder according to a mass ratio of 10:20-30:1-2:1-3, measuring anhydrous ether according to the mass volume ratio of sodium hydride and anhydrous ether of 1g:50-80ml, and measuring the isopropanol according to the mass volume ratio of graphene oxide and isopropanol as 1g:30-50ml. The mixed coating liquid and disperse are prepared by adding the graphene oxide powder to isopropanol under mechanical stirring to obtain a mixed coating solution, injecting the mixed coating liquid into the corresponding reaction feeding column, sealed tightly, and using ultrasonic to disperse for standby. USE - Method for coating alpha-aluminum hydride. ADVANTAGE - The method coats the alpha-aluminum hydride in a simple, cost-effective, and eco-friendly manner with good stability improvement effect, high efficiency and realized batch production of the traditional preparation system, mild reaction preparation conditions, easy control, high yield of the alpha-aluminum trihydride without byproducts such as three wastes, is suitable for large-scale industrial production and has obvious economic benefit and social benefit. DETAILED DESCRIPTION - Coating alpha-aluminum hydride comprises weighing sodium hydride, aluminum chloride, lithium borohydride, and graphene oxide powder according to a mass ratio of 10:20-30:1-2:1-3, measuring anhydrous ether according to the mass volume ratio of sodium hydride and anhydrous ether of 1g:50-80ml, and measuring the isopropanol according to the mass volume ratio of graphene oxide and isopropanol as 1g:30-50ml. The mixed coating liquid and disperse are prepared by adding the graphene oxide powder to isopropanol under mechanical stirring to obtain a mixed coating solution, injecting the mixed coating liquid into the corresponding reaction feeding column, sealed tightly, and using ultrasonic to disperse for standby. A mixed solution A is prepared by putting sodium hydride and aluminum chloride powder into the corresponding reaction feeding area, adding anhydrous ether into the reaction vessel and adding lithium borohydride powder into the anhydrous ether under stirring mechanically to obtain a mixed solution A. The graphene oxide-coated alpha-aluminum trihydride is prepared by keeping mechanical stirring, heating the reaction vessel at 40-70degrees Celsius, and adding all the sodium hydride and aluminum chloride powders into the mixed solution A to obtain reaction solution B. The reaction solution B is ultrasonically dispersed, slowly added the coating mixture into reaction solution B under stop mechanical stirring and ultrasonic dispersion. The reaction vessel is cooled to room temperature naturally, where the supernatant is removed. Anhydrous ether is used to repeatedly wash the lower layer precipitate 3 times, and then dried in a vacuum oven at 80-100degrees Celsius for 3-5 hours to get the graphene oxide-coated alpha-aluminum hydride. DESCRIPTION OF DRAWING(S) - The drawing shows a flowchart of the method for coating alpha-aluminum hydride. (Drawing includes non-English language text). Weighing raw materials (S1) Preparing a mixed coating liquid (S2) Preparing a mixed solution (S3) Preparing alpha-aluminum trihydride (S4)