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Journal Articles Physical Chemistry Chemical Physics Year : 2012

Hydrazine borane: synthesis, characterization, and application prospects in chemical hydrogen storage

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Romain Moury
Samuel Bernard
Eddy Petit
Arie van Der Lee
Philippe Miele

Abstract

Hydrazine borane (N2H4BH3) is the novel boron- and nitrogen-based material appearing to be a promising candidate in chemical hydrogen storage. It stores 15.4 wt% of hydrogen in hydridic and protic forms, and the challenge is to release H2 with maximum efficiency, if possible all hydrogen stored in the material. An important step to realize this ambitious goal is to synthesize HB with high yields and high purity, and to characterize it fully. In this work, we report a 2-step synthesis (salt metathesis and solvent extraction-drying) through which N2H4BH3 is successfully obtained in 3 days, with a yield of about 80% and a purity of 99.6%. N2H4BH3 was characterized by NMR, IR, XRD, TGA and DSC, its stability in dioxane and water was determined, and its thermolysis by-products were characterized. We thus present a complete data sheet that should be very useful for future studies. Furthermore, we propose a discussion on the potential of HB (with H2 released by either thermolysis or hydrolysis) in chemical hydrogen storage.
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Dates and versions

hal-02615670 , version 1 (23-05-2020)

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Romain Moury, Georges Moussa, Umit Demirci, Julien Hannauer, Samuel Bernard, et al.. Hydrazine borane: synthesis, characterization, and application prospects in chemical hydrogen storage. Physical Chemistry Chemical Physics, 2012, 14 (5), pp.1768-1777. ⟨10.1039/C2CP23403C⟩. ⟨hal-02615670⟩
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