• 专利标题:   Preparing amorphous ternary alloy or graphene composite material using catalyst, comprises e.g. performing ultrasonic treatment of cobalt(II) sulfate or nickel(II) sulfate, zinc sulfate and graphene, and stirring by adding sodium hydroxide.
  • 专利号:   CN104014344-A, CN104014344-B
  • 发明人:   XU F, CHU H, XIANG C, ZOU Y, CHENG J, QIU S, SUN L
  • 专利权人:   UNIV GUILIN ELECTRONIC TECHNOLOGY
  • 国际专利分类:   B01J023/80, C01B003/06
  • 专利详细信息:   CN104014344-A 03 Sep 2014 B01J-023/80 201479 Pages: 8 Chinese
  • 申请详细信息:   CN104014344-A CN10254394 10 Jun 2014
  • 优先权号:   CN10254394

▎ 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.