Berlin 2015 – wissenschaftliches Programm

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MM: Fachverband Metall- und Materialphysik

MM 26: Functional Materials V: Functional Materials

MM 26.1: Vortrag

Dienstag, 17. März 2015, 11:45–12:00, TC 010

Neutron Imaging of Metal Hydride based Hydrogen Storage Tanks — •Stefan Börries¹, Philipp Klaus Pranzas¹, Oliver Metz¹, Martin Dornheim¹, Thomas Bücherl², Thomas Klassen¹, and Andreas Schreyer¹ — ¹Helmholtz-Zentrum Geesthacht, Centre for Materials and Coastal Research, Max-Planck-Straße 1 D-21502 Geesthacht, Germany — ²ZTWB Radiochemie München (RCM), Technische Universität München (TUM), Walther-Meissner-Str. 3, 85748 Garching, Germany

Hydrogen is a promising energy carrier for the future, especially for mobile applications. It can be stored safely and reversibly at high volumetric densities in hydrogen storage tanks filled with light metal hydrides. Due to the high sensitivity of neutrons towards hydrogen, Neutron Radiography (NR) is the ideal technique for in situ investigations in order to directly observe the hydrogenation behaviour of the metal hydride material inside the tank under operating conditions. Already qualitative investigations revealed interesting macroscopic structure changes for the hydorgen absorption [1,2]. In a further step, the full spectrum of available neutron energies at different imaging beamlines was used for a comprehensive quantitative study of scaled up metal hydride materials, including in operando studies as well as tomography studies. The results help for the optimization of metal hydride based hydrogen storage.

[1]*P. K. Pranzas, et al., Advanced Engineering Materials 13 (8) (2011) 730-736 [2]*Bellosta von Colbe, J.M., Int. Journal of Hydrogen Energy 37, 2012