Design, sorption behaviour and energy management in a sodium alanate-based lightweight hydrogen storage tank

A lightweight tank for hydrogen storage based on four kilograms of sodium alanate was designed, built and tested. An improvement in gravimetric capacity of 83% and 49% in volumetric capacity over a previous tank [1] was achieved. Heat evolution and temperature spikes during hydrogen absorption were...

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Bibliographic Details
Published in:International journal of hydrogen energy 2015-02, Vol.40 (7), p.2984-2988
Main Authors: Bellosta von Colbe, José M., Lozano, Gustavo, Metz, Oliver, Bücherl, Thomas, Bormann, Rüdiger, Klassen, Thomas, Dornheim, Martin
Format: Article
Language:English
Subjects:
Heat management
Hydrogen storage
Lightweight
Radiography
Scale-up
Sodium
Sodium alanate
Sorption
Storage tanks
Tank design
Tanks
Weight reduction
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Summary:A lightweight tank for hydrogen storage based on four kilograms of sodium alanate was designed, built and tested. An improvement in gravimetric capacity of 83% and 49% in volumetric capacity over a previous tank [1] was achieved. Heat evolution and temperature spikes during hydrogen absorption were studied. Due to the high specific heat of the complex hydride, the storage material itself acts as a heat sink, aiding in the heat management of the system. The first-ever radiography with fast neutrons on an operational complex-hydride based test tank was performed. •A lightweight, sodium alanate based tank was designed, built and tested.•Gravimetric capacity was improved by 83%, volumetric capacity by 49%.•Heat management was easier than expected.•First fission neutron radiography on a solid state H2 storage tank performed.
ISSN:0360-3199
1879-3487
DOI:10.1016/j.ijhydene.2015.01.013