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Experimental behaviour of a three-stage metal hydride hydrogen compressor

Author
Galvis Escolar, Andrés; Leardini, Fabriceuntranslated; Ares Fernández, José Ramónuntranslated; Cuevas, F.; Fernández Ríos, José Fco.untranslated
Entity
UAM. Departamento de Física de Materiales
Publisher
IOP
Date
2020-07-03
Citation
JPhys Energy 2.3 (2020): 034006
ISSN
2515-7655 (online)
DOI
10.1088/2515-7655/ab869e
Project
Gobierno de España. RTI2018-099794-B-I00
Editor's Version
https://doi.org/10.1088/2515-7655/ab869e
Subjects
Hydrogen Absorption; Hydrogen Compressors; Hydrogen Compressors; Operational Range; Pressure and Temperature; Stainless Steel Tube; Temperature Shift; Thermal Management Systems; Física
URI
http://hdl.handle.net/10486/705899
Rights
© 2020 The Author(s)

Licencia Creative Commons
Esta obra está bajo una Licencia Creative Commons Atribución 4.0 Internacional.

Abstract

A three-stage metal hydride hydrogen compressor (MHHC) system based in AB2-type alloys has been set-up. Every stage can be considered as a Sieverts-type apparatus. The MHHC system can work in the pressure and temperature ranges comprised from vacuum to 250 bar and from RT to 200 ºC, respectively. An efficient thermal management system was set up for the operational ranges of temperature desired. It drops temperature shifts due to hydrogen expansion during stage coupling and hydrogen absorption/desorption in the alloys. Each reactor consists of a single and thin stainless-steel tube to maximize heat transfer. These were filled with similar amount of AB2 alloy. The MHHC system was able to produce a compression ratio as high as 84.7 for inlet and outlet hydrogen pressures of 1.44 and 122 bar for a temperature span of 23 ºC - 120 ºC
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Google™ Scholar:Galvis Escolar, Andrés - Leardini, Fabrice - Ares Fernández, José Ramón - Cuevas, F. - Fernández Ríos, José Fco.

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