Title

Hydrazine bisborane as a promising material for chemical hydrogen storage

RIS ID

45088

Publication Details

Sun, W., Gu, Q., Guo, Y., Guo, Z., Liu, H. & Xu, X. (2011). Hydrazine bisborane as a promising material for chemical hydrogen storage. International Journal of Hydrogen Energy, 36 (21), 13640-13644.

Abstract

A kind of promising hydrogen storage material-hydrazine bisborane (N2H4(BH3)2, HBB) is synthesized by a typical chemical method. HBB exhibits relatively low dehydrogenation temperature (around 100 °C), effective prevention of any unwanted gaseous products, such as ammonia, diborane, confirming a very high hydrogen release purity of >99%. The activation energy (Ea) of the first-step dehydrogenation of HBB is calculated to be 106.4 kJ/mol using Kissinger’s method. According to the 11B NMR and FT-IR results, the thermal decomposition of HBB was determined to produce [HBN2BH]2 dimers, in which the coordination environment of B atoms located in the formation of HBN2.

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Link to publisher version (DOI)

http://dx.doi.org/10.1016/j.ijhydene.2011.07.104