期刊
CATALYSIS TODAY
卷 120, 期 3-4, 页码 346-350出版社
ELSEVIER
DOI: 10.1016/j.cattod.2006.09.016
关键词
boron nitride nanotubes; pressure-composition isotherms; temperature-programmed desorption; hydrogen uptake
Boron nitride nanotubes (BNNT) were synthesized by annealing ball-milled boron-nickel catalyst in nitrogen/hydrogen gas mixture at a temperature of 1025 degrees C. The BNNTs were characterized by TEM, XRD, FTIR and Raman spectroscopy. The pressure-composition isotherms (PCI) and temperature-programmed desorption (TPD) techniques were used to investigate the H-2 uptake properties of BN nanotubes. The BNNTs show a reproducible room temperature hydrogen sorption of 1.8-2.2 wt% under 6 MPa. (c) 2006 Elsevier B.V. All rights reserved.
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