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Hydrazine borane N2H4BH3 (HB, 15.4 wt% H) is a promising chemical hydrogen storage material. Herein, we report high-extent dehydrogenation of HB (i.e.hydrolysis of the group BH3 and decomposition of the moiety N2H4) in the presence of nickel–platinum nanoparticles (NPs) at 50 °C. Using Ni0.89Pt0.11 NPs, 5.79 ± 0.05 equiv. H2 + N2 per HB can be released, corresponding to H2 selectivity as high as 93 ± 1%.
Hannauer et al. (Sat,) studied this question.