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    Please use this identifier to cite or link to this item: https://irlib.pccu.edu.tw/handle/987654321/24195


    Title: Solvothermal synthesis of Mg-Ni/C nanocomposite for hydrogen storage using vitamin C as carbon source
    Authors: Lei, CM (Lei, Chien-Ming)
    Su, CJ (Su, Chi-Jung)
    Liao, JA (Liao, Jao-An)
    Luo, YJ (Luo, Yi-Jun)
    Yuan, WL (Yuan, Wei-Li)
    Contributors: Grad Inst Nanomat
    Keywords: Hydrogen storage
    Solvothermal synthesis
    Mg2Ni
    Date: 2012-09
    Issue Date: 2013-02-20 09:59:24 (UTC+8)
    Abstract: Metal alloys such as Mg2Ni and TiFe can absorb and store H-2 to form metal hydrides. The alloys are frequently prepared by grinding the metal ingredients together. In this work, a solvothermal synthesis was taken to prepare the Mg-Ni/C nanocomposite from vitamin C, magnesium acetate, and nickel acetate, using ethylene glycol as solvent and reductant. Without adding Pd as nucleating agent, it is proposed to obtain Mg-Ni alloys by reduction and carbon nanoparticles by carbonization. XRD analysis shows that Mg2Ni and Mg-Ni-2 have been formed as nanocomposite with carbon. After calcination in vacuum at 500 degrees C for 1 h, the Mg-Ni/C nanocomposite showed enhanced magnetism. XRD results give peaks of Ni and MgO, indicative of phase separation and Mg oxidation. In conclusion, it is feasible to synthesize Mg-Ni/C or other carbon-containing hydrogen storage composites using the solvothermal method. Copyright (C) 2012, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
    Relation: INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 卷: 37 期: 18 頁數: 13849-13854
    Appears in Collections:[Department of Chemical & Materials Engineering] journal articles

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