Preparation of Mg-based hydrogen storage materials from metal nanoparticles

被引：53
|
作者：
Shao, Huaiyu [1 ]
Liu, Tong [1 ]
Wang, Yuntao [1 ]
Xu, Hairuo [1 ]
Li, Xingguo [1 ]
机构：
[1] Peking Univ, Coll Chem & Mol Engn, State Key Lab Rare Earth Mat Chem & Applicat, BNLMS, Beijing 100871, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2008年 / 465卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
Hydrogen absorbing materials; Metals and alloys; Gas-solid reactions; Solid-solid reactions; X-ray diffraction;
D O I：
10.1016/j.jallcom.2007.11.003
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
By hydrogen plasma metal reaction method, we obtained Mg, Ni, Co, Cu and Fe nanoparticles. Mg nanoparticles show larger average particle size than Ni, Co, Cu and Fe ones. From these metal nanoparticles, Mg-based hydrogen storage alloys (Mg2Ni, Mg2Co and Mg2Cu) and hydrides (Mg2NiH4, Mg2CoH5 and Mg2FeH6) were prepared by solid-solid and gas-solid reactions. Powder X-ray diffraction (XRD) was used to define the structure and composition information. The preparation results in different atmosphere were compared and discussed. Hydrogen and nanostructure play important roles in the preparation of Mg-based hydrogen storage alloys/hydrides in convenient conditions from metal nanoparticles. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：527 / 533
页数：7
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