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Two-Stage Hydrogen Compression Using Zr-Based Metal Hydrides

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Abstract:

Zr-based AB2-Laves phase type alloys containing the same type of A and B metals, have been prepared from pure elements by melting and subsequent re-melting under argon atmosphere by using a HF-induction levitation furnace. Characterization of the alloys has resulted from powder X-Ray Diffraction (XRD) measurements and SEM/EDX analyses. Systematic PCI (Pressure-Composition-Isotherms) measurements have been recorded at 20 and 90 °C, using a high-pressure Sievert's type apparatus. The purpose of this study is to find a series of alloys promptly forming metal hydrides (MH) with suitable properties in order to build a MH-based hydrogen compressor, working in the same way between 20 and ~100 °C.

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Periodical:

Solid State Phenomena (Volume 194)

Pages:

249-253

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.194.249

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Online since:

November 2012

Authors:

Evangelos D. Koultoukis, Sofoklis S. Makridis, Daniel Fruchart, Athanasios K. Stubos

Keywords:

AB2, Efficient Hydrogen Storage, Hydrogen Compression, Intermetallic Compound (IMC), Zr-Based Hydrides

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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