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Synthesis of Nanostructured Mg-Ni Alloy and Its Hydrogen Storage Properties

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文摘 Nanostructured Mg-Ni alloy with the particle size in the range of 40-50 nm was synthesized by the thermal decomposition of bipyridyl complexes of Mg and Ni metals at 773 K for 24 h under dry argon gas ambient. The as-prepared nano-alloy was characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM) for compositional and structural analysis. The alloy exhibited superior hydrogen absorption and desorption behavior with 3.2 wt% absorption within 1 min at 573 K and about 3 wt% desorption within 5-10 min at 573 K. This favorable behavior of Mg-Ni compound for the hydrogen storage is due to the specific nanostructure of the material. The low activation energy values and favorable thermodynamics indicate that the prepared Mg-Ni alloy is an attracting material for hydrogen storage applications.
来源 Journal of Materials Science & Technology ,2012,28(5):401-406 【核心库】
DOI 10.1016/s1005-0302(12)60075-9
关键词 Mg-Ni alloy ; Hydrogen storage ; Pressure-composition-temperature (P-C-T) measurements ; Transmission electron microscopy
地址

1. Department of Physics, COMSATS Institute of Information Technology, Pakistan, Islamabad  

2. Research Centre of Materials Science, School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081  

3. National Centre for Physics, Qaid-a-Azam University, Pakistan, Islamabad

语种 英文
文献类型 研究性论文
ISSN 1005-0302
学科 金属学与金属工艺
基金 supported by Higher Education Commission (HEC), Islamabad, Pakistan under PhD indigenous-5000 Fellowship Program
文献收藏号 CSCD:4552476

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引证文献 3 篇

1 Yuan Zeming A comparison study of hydrogen storage properties of as-milled Sm_5 Mg_(41) alloy catalyzed by CoS_2 and MoS_2 nano-particles Journal of Materials Science & Technology,2018,34(10):1851-1858
CSCD被引 4 次

2 Lan Zhiqiang Introducing Ni-N-C ternary nanocomposite as an active material to enhance the hydrogen storage properties of MgH_2 Journal of Materials Science & Technology,2024,196:12-24
CSCD被引 0 次

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