Design and operation of an aluminium alloy tank using doped Na3AlH6 in kg scale 
for hydrogen storage

Urbanczyk, Robert; Peinecke, Kateryna; Meggouh, Mariem; Minne, P; Peil, S; Bathen, D; Felderhoff, Michael

doi:10.1016/j.jpowsour.2016.05.102

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Design and operation of an aluminium alloy tank using doped Na₃AlH₆ in kg scale for hydrogen storage

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Urbanczyk, Robert
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;
Institut für Energie- und Umwelttechnik e.V., Bliersheimer Str. 58-60, 47229 Duisburg, Germany;

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Peinecke, Kateryna
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Meggouh, Mariem
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Felderhoff, Michael
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Zitation

Urbanczyk, R., Peinecke, K., Meggouh, M., Minne, P., Peil, S., Bathen, D., et al. (2016). Design and operation of an aluminium alloy tank using doped Na₃AlH₆ in kg scale for hydrogen storage. Journal of Power Sources, 324, 589-597. doi:10.1016/j.jpowsour.2016.05.102.

Zitierlink: https://hdl.handle.net/11858/00-001M-0000-002A-E2B4-6

Zusammenfassung

In this publication the authors present an aluminium alloy tank for hydrogen storage using 1921 g of Na₃AlH₆ doped with 4 mol% of TiCl₃ and 8 mol% of activated carbon. The tank and the heat exchangers are manufactured by extrusion moulding of Al-Mg-Si based alloys. EN AW 6082 T6 alloy is used for the tank and a specifically developed alloy with a composition similar to EN AW 6060 T6 is used for the heat exchangers. The three heat exchangers have a corrugated profile to enhance the surface area for heat transfer. The doped complex hydride Na₃AlH₆ is densified to a powder density of 0.62 g cm⁻³. The hydrogenation experiments are carried out at 2.5 MPa. During one of the dehydrogenation experiments approximately 38 g of hydrogen is released, accounting for gravimetric hydrogen density of 2.0 mass-%. With this tank 15 hydrogenation and 16 dehydrogenation tests are carried out.