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1篇 您的检索式:作者名="Yiwanting Hu"
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1The hydrogen storage performance and catalytic mechanism of theMgH_(2)-MoS_(2)composite显示文摘In this work,we synthesized MoS_(2)catalyst via one-step hydrothermal method,and systematically investigated the catalytic effect of MoS_(2)on the hydrogen storage properties of MgH_(2).The MgH_(2)-5MoS_(2)composite milled for 5 h starts to release hydrogen at 259℃.Furthermore,it can desorb 4.0 wt.%hydrogen within 20 min at 280℃,and absorb 4.5 wt.%hydrogen within 5 min at 200℃.Mo and MoS_(2)coexistedin the ball milled sample,whereas only Mo was kept in the sample after dehydrogenation and rehydrogenation,which greatly weakens theMg-H bonds and facilitates the dissociation of MgH_(2)on the surface of Mo(110).The comparative study show that the formed MgS has nocatalytic effect for MgH_(2).We believed that the evolution and the catalytic mechanism of MoS_(2)will provide the theoretical guidance for theapplication of metal sulfide in hydrogen storage materials.Luxiang Wang Yiwanting Hu Jiayu Lin Haiyan Leng Chenghua Sun Chengzhang Wu Qian Li Fusheng Pan 2023Journal of Magnesium and Alloys2023,11,7:0
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