Controlled mechanically activated hydrogen sorption

被引：8

作者：

Friedrichs, O. ^{[1
]}

Borschulte, A. ^{[1
]}

Zuettel, A. ^{[1
]}

机构：

[1] Empa, Swiss Fed Labs Mat Testing & Res, Dept Mobil Environm & Energy, Div Hydrogen & Energy, CH-8600 Dubendorf, Switzerland

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2008年 / 33卷 / 20期

关键词：

Hydrogen storage; Direct synthesis; Mechanical activation; High pressure milling; Room temperature hydrogenation;

D O I：

10.1016/j.ijhydene.2008.05.105

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：

Hydrogen absorption isotherms are measured in a shaker mill, which allows the mechanical activation of the material. A high pressure flexible hose is attached to a SPEX 8000 M shaker mill and the mill is connected to a gas controlling device, in order to monitor and control the applied hydrogen pressure. The influence of the milling during "in situ" hydrogenation of a Mn3Ti2V alloy and the controlled hydrogen absorption by Ca to its hydride CaH2 is investigated. Pure CaH2 as the final product after the mechanical activation is identified by X-ray diffraction. For the Ca we demonstrate the measurement of pressure-composition isotherms during milling. (c) 2008 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved.

引用

页码：5606 / 5610

页数：5

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