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Volumn 9, Issue 15, 2007, Pages 1831-1836

In situ solid state 11B MAS-NMR studies of the thermal decomposition of ammonia borane: Mechanistic studies of the hydrogen release pathways from a solid state hydrogen storage material

Author keywords

[No Author keywords available]

Indexed keywords

AMMONIA; BORANE DERIVATIVE; BORON; HYDROGEN;

EID: 34147103836     PISSN: 14639076     EISSN: None     Source Type: Journal    
DOI: 10.1039/b617781f     Document Type: Article
Times cited : (350)

References (35)
  • 1
    • 21344459809 scopus 로고    scopus 로고
    • US Department of Energy, Office of Basic Energy Sciences US DOE, Washington, DC
    • US Department of Energy, Office of Basic Energy Sciences, Basic Research Needs for the Hydrogen Economy, US DOE, Washington, DC, 2004
    • (2004) Basic Research Needs for the Hydrogen Economy
  • 3
    • 34147134345 scopus 로고    scopus 로고
    • Recent information can be found at:
    • Recent information can be found at: http://www.eere.energy.gov/ hydrogenandfuelcells
  • 22
    • 34147164362 scopus 로고    scopus 로고
    • See Fig. S1 in supplementary material
    • See Fig. S1 in supplementary material
  • 24
    • 34147148394 scopus 로고    scopus 로고
    • 3
    • 3
  • 25
    • 34147131618 scopus 로고
    • NMR Basic Princliples and Progress Grundlagen und Forschritte
    • P. Diehl, E. Fluck, R. Kosfeld, H. Noth and B. Wrackmeyer, Springer-Verlag, Berlin, Heidelberg, New York
    • NMR Basic Princliples and Progress Grundlagen und Forschritte, Nuclear Magnetic Resonance Spectroscopy of Boron Compounds, ed., P. Diehl,,, E. Fluck,,, R. Kosfeld,,, H. Noth, and, B. Wrackmeyer,, Springer-Verlag, Berlin, Heidelberg, New York, 1978
    • (1978) Nuclear Magnetic Resonance Spectroscopy of Boron Compounds, Ed.
  • 26
    • 34147159525 scopus 로고    scopus 로고
    • 2 peaks significantly broadened. If it is cooled before the old phase is completely consumed, it returns largely to old phase, but with some new phase and DADB still present. In both cases, within 1 min of reheating, the spectra looked identical to when the heating stopped
    • 2 peaks significantly broadened. If it is cooled before the old phase is completely consumed, it returns largely to old phase, but with some new phase and DADB still present. In both cases, within 1 min of reheating, the spectra looked identical to when the heating stopped
  • 27
    • 34147168509 scopus 로고    scopus 로고
    • No visible melting of the polycrystalline material was observed. See supplementary material, Fig. S2, showing photographic images of AB in a melting point capillary at 90°C at times of 5, 20, 25, 30, 35, 40, 50 and 60 min
    • No visible melting of the polycrystalline material was observed. See supplementary material, Fig. S2, showing photographic images of AB in a melting point capillary at 90°C at times of 5, 20, 25, 30, 35, 40, 50 and 60 min
  • 29
    • 34147189913 scopus 로고    scopus 로고
    • 2 species we observed from the decomposition of AB
    • 2 species we observed from the decomposition of AB
  • 30
    • 34147099385 scopus 로고    scopus 로고
    • 4 resonance of DADB precedes the formation of the dimer species
    • 4 resonance of DADB precedes the formation of the dimer species
  • 33
    • 34147164879 scopus 로고    scopus 로고
    • Control experiments show that addition of a small fraction of DADB to a pure sample of AB significantly reduces if not eliminates the observed induction period at 88°C. The details of these experiments will be reported in a subsequent paper
    • Control experiments show that addition of a small fraction of DADB to a pure sample of AB significantly reduces if not eliminates the observed induction period at 88°C. The details of these experiments will be reported in a subsequent paper
  • 35
    • 34147106844 scopus 로고    scopus 로고
    • note
    • 2 peaks at similar intensities. Despite these spectral features, both sets of data yield similar results in terms of product identity and yield


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