THE FORMATION OF HYDRIDE IN PURE MAGNESIUM FOILS

被引：25

作者：

PEDERSEN, AS

JENSEN, K

LARSEN, B

VIGEHOLM, B

机构：

[1] Riso Natl Lab, Roskilde, Den, Riso Natl Lab, Roskilde, Den

来源：

JOURNAL OF THE LESS-COMMON METALS | 1987年 / 131卷 / 131期

关键词：

GASES - Storage - METAL FOIL - Magnesium;

D O I：

10.1016/0022-5088(87)90498-X

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：

In this study pure magnesium was rolled to foil thicknesses down to 20 mu m. The foils were exposed to hydrogen in the pressure range 1-3 MPa and temperatures between 650 and 700 K. The hydride formation was followed by gravimetry and by microscopy. The effect of foil thickness on the hydride formation is described and the mechanism and kinetics of hydride formation are discussed. It is concluded that the chemical reaction between magnesium and hydrogen is the rate-limiting step for the growth of the nuclei and that the transport processes are fast. This work is pertinent to storing hydrogen.

引用

页码：31 / 40

页数：10

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