▎ 摘 要
NOVELTY - Preparing amorphous ternary alloy/graphene composite material using catalyst, comprises (i) adding cobalt(II) sulfate or nickel(II) sulfate and zinc sulfate, and adding deionized water; (ii) adding graphene to the above solution, and subjecting to ultrasonic treatment; (iii) adding 0.05-2 mol/l sodium hydroxide solution, and adding sodium borohydride into sodium hydroxide; (iv) slowly adding alkali solution in dropwise manner into a burette, and stirring the solution by using a magnetic stirrer; (v) filtering, and drying; (vi) soaking in sodium hydroxide; and (vii) drying, and grinding. USE - The composite material is useful in the hydrolysis of boron-hydrogen compounds (claimed). ADVANTAGE - The method increases the catalytic activity of composite material; produces product with high catalytic efficiency at normal low temperature; can repeatedly utilize catalyst; has simple preparation procedure; increases the contact area of catalyst with the reactants, and the reaction rate, preferably hydrogen production rate; and is economical. DETAILED DESCRIPTION - Preparing amorphous ternary alloy/graphene composite material using catalyst, comprises (i) adding quantitative amount of cobalt(II) sulfate or nickel(II) sulfate and zinc sulfate, and adding deionized water; (ii) adding quantitative amount of graphene to the above solution, and subjecting to ultrasonic treatment for 0.5-3 hours, where the pH of the solution is 5-7; (iii) adding 0.05-2 mol/l sodium hydroxide solution, and adding sodium borohydride into sodium hydroxide solution; (iv) slowly adding alkali solution in dropwise manner into a burette, and stirring the solution by using a magnetic stirrer; (v) filtering, after completion of the dropwise addition of solution, washing the solution, and drying; (vi) soaking the solution by adding 20-30% sodium hydroxide for 1 hour; and (vii) filtering, washing, drying, and grinding to obtain to obtain composite material powder. An INDEPENDENT CLAIM is also included for use method of catalyst in the hydrolysis of boron-hydrogen compounds, comprising (a) dispersing the prepared catalyst in a solution-containing 0.1 M sodium borohydride with 5% sodium hydroxide solution under sealing conditions, and controlling the temperature of the solution by placing in a water bath having constant temperature; and (b) collecting the draining hydrogen produced through draining method, recording the volume of hydrogen produced/unit time, to obtain hydrogen at a high release rate.