材料科学
复合数
氢气储存
球磨机
温度循环
氢
热能储存
金属
复合材料
热导率
热稳定性
粒径
合并(业务)
化学工程
冶金
热的
化学
合金
生态学
物理
有机化学
气象学
生物
业务
会计
工程类
作者
Marzia Pentimalli,Enrico Imperi,Mariangela Bellusci,C. Alvani,A. Santini,F. Padella
出处
期刊:Crystals
[MDPI AG]
日期:2012-06-18
卷期号:2 (2): 690-703
被引量:4
摘要
In spite of their favourable chemical characteristics, using AB5 alloys as fixed bed for hydrogen storage devices requires proper management of a number of technological aspects. Among these, the mechanical stability of metal particle grains under hydrogen cycling and the overall thermal conductivity of the material bed constitute crucial features. We developed by High Energy Ball Milling HEBM a mechanically stable silica-based AB5 composite with enhanced thermal conductivity. Here, focusing on the material’s physical-chemical properties, we report on the silica-AB5 composite development and characterization. Particularly, we studied the material consolidation process, the resulting composite morphology and the system behaviour under hydrogen loading/unloading cycling.
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