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Recovery of Hydrogen from Sodium Borhydride Hydrolysis with Co-Ni-B Catalyst and Kinetic Properties
(Alanya Alaaddin Keykubat Üniversitesi, 2025) Keskin, Mehmet Salih
In the literature, the use of catalytically active and low- cost catalysts is preferred for the hydrolysis of boron hydrides and on demand hydrogen production in the presence of a catalyst. In this study, the effects of Co-Ni-B catalyst synthesized in ethanol medium on sodium borohydride hydrolysis kinetics, optimum Co/N mole rations, NaOH, NaBH4 concentrations in the solution, amount of catalyst and different temperatures were investigated. The initial hydrogen production rate, which showing the activity of the produced Co-Ni-B catalyst against sodium borohydride hydrolysis, was found to be 6491.6 mL/g.dk. at 30°C hydrolysis sodium values of borohydride obtained at different temperatures in the presence of Co-Ni-B catalyst n. When the degree rate mechanism was used, the reaction rate order was 0.9 and activation energy value calculated as 22.850 kJ/mol The characterization of the Co-Ni-B catalyst, which is produced in the presence of ethyl alcohol and is very active in sodium borohydride hydrolysis was performed with SEM, EDS device.