Synthesis of a Novel Co-B/CTAB Catalyst via Solid-state-reaction at Room Temperature for Hydrolysis of Ammonia-borane

查看全文 作　　者：HU [1]Haibin;LONG [1,2,3]Bo;JIANG [1]Yifan;SUN [1]Shichang;Ibrahim [1]LAWAN;ZHOU Weiming-[1,3];ZHANG [1]Mingxin;WANG [4]Liwei;ZHANG [5]Fan;YUAN [1]Zhanhui

机构地区：[1]College of Materials Engineering,Fujian Agriculture and Forestry University,Fuzhou 350002,P.R.China;[2]College of Mechanical and Electrical Engineering,Fujian Agriculture and Forestry University,Fuzhou 350002,P.R.China;[3]Key Laboratory of National Forestry&Grassland Bureau for Plant Fiber Functional Materials,Fujian Agriculture and Forestry University,Fuzhou 350002,P.R.China;[4]Ocean College,Minjiang University,Fuzhou 350108,P.R.China;[5]School of Chemistry and Chemical Engineering,Shanghai Jiao Tong University,Shanghai 200240,P.R.China

出　　处：《Chemical Research in Chinese Universities》索引2020年第36卷第6期,共8页

基　　金：Supported by the International Funding of Fujian Agriculture and Forestry University,China(No.KXB16001A);the Project of the Department of Science and Technology of Fujian Province,China(No.2017H6003);the Open Project Program of Key Laboratory of National Forestry&Grassland Bureau for Plant Fiber Functional Materials,China(Nos.2019KFJ172019KFJJ15).. 摘　　要：Cobalt-boride(Co-B)is emerging as one of the promising materials in the base-hydrolytic dehydrogena-tion of ammonia-borane(AB).In order to avoid the low specific area and poor catalytic capacity of Co-B catalyst caused by aggregation arising from the strong reducing property and rapid reaction condensation of sodium borohy-dride(NaBHa),novel cobalt boride/cetyltrimethylammonium bromide(Co-B/CTAB)catalyst was obtained via solid-state grinding at room temperature,and the catalyst was further characterized by XRD,SEM,XPS and BET.The hydrogen generation rate(HGR)was then determined by the hydrolysis reaction of AB.The SEM images indicate that a lot of irregular folds and curled edges are formed on the sample with a maximum surface area of 145.57 m2/g,thus possibly resulting in the high hydrogen production(HGR was 10.68 L.minlg),which may be attributed to CTAB that provide favorable large specific surface area and abundant porous structure.Additionally,catalyst will not be affected by solvants during solid-state reaction.As a diluent,the surfactant CTAB hindered the reaction rate of sodium borohydride reduction to cobalt boride and obtained the novel catalyst with a large specific surface area. 关键词：Hydrogen generation rate Ammonia borane Co-B Solid-state reaction

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Synthesis of a Novel Co-B/CTAB Catalyst via Solid-state-reaction at Room Temperature for Hydrolysis of Ammonia-borane

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