期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 36, 期 21, 页码 13640-13644出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2011.07.104
关键词
Hydrogen storage material; B-N-H compound; Dehydrogenation properties
资金
- Ministry of Science and Technology of China [2010CB631302]
- National Natural Science Foundation of China [51071047]
- Program for New Century Excellent Talents in Universities [NCET-08-0135]
- Australian Synchrotron
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 degrees C), effective prevention of any unwanted gaseous products, such as ammonia, diborane, confirming a very high hydrogen release purity of >99%. The activation energy (E-a) of the first-step dehydrogenation of HBB is calculated to be 106.4 kJ/mol using Kissinger's method. According to the B-11 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. Copyright (C) 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
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