Hydriding properties of an Mg-Al-Ni-Nd hydrogen storage alloy

被引：19
|
作者：
Duarte, G. I. [1 ]
Bustamante, L. A. C. [1 ]
de Miranda, P. E. V. [1 ]
机构：
[1] Univ Fed Rio de Janeiro, COPPE, Lab Hidrogenio, BR-21941972 Rio de Janeiro, Brazil
来源：
SCRIPTA MATERIALIA | 2007年 / 56卷 / 09期
关键词：
hydrogen storage; magnesium alloy; hydrides; hydriding and dehydriding kinetics;
D O I：
10.1016/j.scriptamat.2006.12.047
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
This work presents the development of an Mg-Al-Ni-Nd alloy for hydrogen storage purposes. The hydrogen storage properties of the alloy were analyzed using pressure-composition isotherms and hydrogen desorption kinetic curves at different temperatures. The characterization of the microstructures, before and after hydrogenation, was performed using X-ray diffraction, scanning electron microscopy and energy-dispersive spectrometry. Hydrogenation caused significant changes in the alloy microstructure. Two pressure plateaus were observed. The maximum hydrogen storage reversible capacity measured was 4 wt.% at 573 K. (c) 2007 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：789 / 792
页数：4
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