Scaling up effects of Mg hydride in a temperature and pressure-controlled hydrogen storage device

被引：29

作者：

Verga, M. ^{[1
]}

Armanasco, F. ^{[1
]}

Guardamagna, C. ^{[1
]}

Valli, C. ^{[1
]}

Bianchin, A. ^{[2
]}

Agresti, F. ^{[3
]}

Lo Russo, S. ^{[2
]}

Maddalena, A. ^{[3
]}

Principi, G. ^{[3
]}

机构：

[1] CESI RIC SpA, I-20134 Milan, Italy

[2] Univ Padua, Dipartimento Fis, I-35131 Padua, Italy

[3] Settore Mat, Dipartimento Ingn Meccan, I-35131 Padua, Italy

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2009年 / 34卷 / 10期

关键词：

Hydrogen storage; Magnesium hydride; Storage device; NANOCRYSTALLINE MAGNESIUM;

D O I：

10.1016/j.ijhydene.2008.08.043

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：

A research program addressed to evaluate the magnesium hydride storage scaling up effects is being developed by CESI RICERCA, Milano, and the Hydrogen Group of Padova University. A storage device containing 500 g of magnesium hydride powder (manufactured by Venezia Tecnologie S.p.A. using high-energy ball milling) has been designed and tested in different operating conditions. A number of absorption and desorption cycles at different temperatures and pressures has been carried out in order to see if the results are comparable with laboratory data obtained on small amounts (fractions of grams) of powder samples. A sensible performance degradation that reduced the overall storage capacity of about 50% has been noticed after 20 cycles, presumably due to local powder heating, fragmentation and subsequent compaction. Further tests on a smaller tank equipped also with a porous baffle gave useful indications for the design of an improved large hydrogen reservoir. (c) 2008 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved.

引用

页码：4602 / 4610

页数：9

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