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Issue 5, 2012
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Hydrazine borane: synthesis, characterization, and application prospects in chemical hydrogen storage

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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.

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

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Article information


Submitted
15 Sep 2011
Accepted
23 Nov 2011
First published
14 Dec 2011

Phys. Chem. Chem. Phys., 2012,14, 1768-1777
Article type
Paper

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

R. Moury, G. Moussa, U. B. Demirci, J. Hannauer, S. Bernard, E. Petit, A. van der Lee and P. Miele, Phys. Chem. Chem. Phys., 2012, 14, 1768
DOI: 10.1039/C2CP23403C

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