Due to the excellent electrocatalytic activity of metal selenide,it has been widely concerned by researchers in recent years.The rod-shaped NiSe2 grown on carbon cloth,namely NiSe2-CC composite,was synthesized using Ni(NO3)2·6H2O,selenium powder as raw materials by hydrothermal method.The structure,morphology and element distribution of the sample were analyzed by XRD,SEM and EDS.The hydrogen evolution performance of the electrolyzed water was studied by electrochemical workstation.The results shown that the composite material had good electrolysis hydrogen evolution performance.Among them,the NiSe2-CC-6 composite material with 6 cycles had the best performance in electrolysis of water.The overpotential at a current density of 1mA/cm2 was 121mV,the overpotential at a current density of 10mA/cm2 was 223mV,the Tafel slope was 151mV/dec and the Cdl was 29.7mF/cm2.
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基金资助
国家自然科学基金面上项目(21273010)
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