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Reversible hydrogen storage in Ti-Zr-codoped NaAlH4 under realistic operation conditions

 
: Schmidt, T.; Röntzsch, L.

:

Journal of alloys and compounds 496 (2010), No.1-2, pp.L38-L40
ISSN: 0925-8388
English
Journal Article
Fraunhofer IFAM, Institutsteil Pulvermetallurgie und Verbundwerkstoffe Dresden ()

Abstract
Ti-Zr-codoped NaAlH4 exhibits improved hydrogen desorption and reabsorption properties compared with sole Ti- or Zr-doped alanate. This contribution aims on reversible hydrogen storage in such material under realistic operation conditions. Results on isothermal dehydrogenation-rehydrogenation cycles at 125 degrees C and desorption at 4 bar hydrogen back-pressure are presented, proving NaAlH4 to be a suitable hydrogen material in combination with proton exchange membrane fuel cells.

: http://publica.fraunhofer.de/documents/N-136709.html