Hydrogen desorption from magnesium hydride-graphite nanocomposites produced by ball milling

S. Dal Toe; S. Lo Russo; A. Maddalena

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Hydrogen desorption from magnesium hydride-graphite nanocomposites produced by ball milling

机译：球磨生产的氢化镁-石墨纳米复合材料中的氢脱附

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Magnesium hydride-graphite composites produced via ball milling exhibit fast H_2 desorption/absorption kinetics; moreover, their activation behaviour is particularly attractive if compared with MgH2 -based materials obtained so far. In this work, we report the phase analysis (by X-ray diffraction) and investigate the crystal structure and the desorption behaviour (using a home-made Sievert apparatus) of MgH_2-graphite composites produced by ball milling. Milling with graphite is found to improve the desorption rate of MgH_2 changing the reaction mechanism.

机译：通过球磨生产的氢化镁-石墨复合材料表现出快速的H_2解吸/吸收动力学。此外，如果与迄今为止获得的基于MgH 2的材料相比，它们的活化行为特别有吸引力。在这项工作中，我们报告了相分析（通过X射线衍射）并研究了球磨生产的MgH_2-石墨复合材料的晶体结构和解吸行为（使用自制的Sievert设备）。发现用石墨研磨可改善MgH_2的解吸速率，从而改变反应机理。

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《Materials Science and Engineering. B, Solid-State Materials for Advanced Technology》 |2004年第2期|p.24-27|共4页
作者
S. Dal Toe; S. Lo Russo; A. Maddalena;
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作者单位

INFM and Physics Department "G. Galilei", INFM, Padova University, via Marzolo 8, 35131 Padua, Italy;

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原文格式 PDF
正文语种 eng
中图分类工程材料学;
关键词
Magnesium hydride-graphite nanocomposites; Ball milling; Hydrogen desorption;

机译：氢化镁-石墨纳米复合材料;球磨;氢解吸;

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机译：氢中反应性球磨生产的镁碳储氢杂化材料
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3. Combined effects of molar ratio and ball milling energy on the phase transformations and mechanical dehydrogenation in the lithium amidemagnesium hydride (LiNH_2 + nMgH_2)(n = 0.5-2.0) nanocomposites [J] . R. Parviz, R.A. Varin International journal of hydrogen energy . 2013,第20期

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4. Effect of Reactive Ball Milling Time on the Hydrogenation/Dehydrogenation Properties of Nanocomposite MgH_2/7TiMn_(1.5) Powders [C] . M. Sherif El-Eskandarany, H. Al-Matrouk, Ehab Shaban, National SBIR/STTR conference;Annual nanotech conference and expo;Annual TechConnect world innovation conference expo . 2015

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5. Microstructure-Property Correlation in Magnesium-based Hydrogen Storage Systems: The Case for Ball-milled Magnesium Hydride Powder and Magnesium-based Multilayered Composites. [D] . Danaie, Mohsen. 2011

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6. Contamination Effects on Improving the Hydrogenation/Dehydrogenation Kinetics of Binary Magnesium Hydride/Titanium Carbide Systems Prepared by Reactive Ball Milling [O] . M. Sherif El-Eskandarany, Ehab Shaban 2015

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机译：在碘化钠球磨中生产的分散 - 强化铬 - 4 - 体积 - 百利合金的性能

Hydrogen desorption from magnesium hydride-graphite nanocomposites produced by ball milling

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