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首页> 外文期刊>Journal of industrial and engineering chemistry >Amelioration of the reaction kinetics of Mg with hydrogen by reactive mechanical grinding with Ni, Fe2O3, Ti or Fe
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Amelioration of the reaction kinetics of Mg with hydrogen by reactive mechanical grinding with Ni, Fe2O3, Ti or Fe

机译:通过Ni,Fe2O3,Ti或Fe的反应性机械研磨改善Mg与氢的反应动力学

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摘要

The magnesium prepared by mechanical grinding under H2 (reactive mechanical grinding) with transition elements or oxides showed relatively high hydriding and dehydriding rates when the content of additives was about 20 wt%. Ni and Fe were chosen as transition elements to be added. Ti was also selected since it was considered to increase the hydriding and dehydriding rates by forming Ti hydride. Samples Mg-14Ni-6Fe2O3, Mg-14Ni-6Ti, Mg-14Ni-3Fe2O3-3Ti, and Mg-14Ni-2Fe2O3-2Ti-2Fe were prepared by reactive mechanical grinding, and their hydrogen storage properties were examined. Among these samples, Mg-14Ni-6Ti had the highest hydriding and dehydriding rates.
机译:当添加剂的含量为约20wt%时,在H 2下用过渡元素或氧化物通过机械研磨(反应性机械研磨)制备的镁表现出相对较高的氢化和脱水速率。选择Ni和Fe作为要添加的过渡元素。还选择了Ti,因为它被认为可以通过形成Ti氢化物来提高氢化和脱水速率。通过反应机械研磨制备样品Mg-14Ni-6Fe2O3,Mg-14Ni-6Ti,Mg-14Ni-3Fe2O3-3Ti和Mg-14Ni-2Fe2O3-2Ti-2Fe,并检查其储氢性能。在这些样品中,Mg-14Ni-6Ti的氢化和脱水率最高。

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