Tuesday, July 17, 2012

1207.3541 (Evangelos Koultoukis et al.)

Two-stage Hydrogen Compression Using Zr-based Metal Hydrides    [PDF]

Evangelos Koultoukis, Sofoklis Makridis, Daniel Fruchart, Athanasios Stubos
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 oC, 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 oC.
View original: http://arxiv.org/abs/1207.3541

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