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Study of aluminoborane compound AlB_4H_(11) for hydrogen storage

Zhao, Ji-Cheng and Knight, Douglas A. and Brown, Gilbert M. and Kim, Chul and Hwang, Son-Jong and Reiter, Joseph W. and Bowman, Robert C., Jr. and Zan, Jason A. and Kulleck, James G. (2009) Study of aluminoborane compound AlB_4H_(11) for hydrogen storage. Journal of Physical Chemistry C, 113 (1). pp. 2-11. ISSN 1932-7447. doi:10.1021/jp806458s.

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Aluminoborane compounds AlB_4H_(11), AlB_5H_(12), and AlB_6H_(13) were reported by Himpsl and Bond in 1981, but they have eluded the attention of the worldwide hydrogen storage research community for more than a quarter of a century. These aluminoborane compounds have very attractive properties for hydrogen storage: high hydrogen capacity (i.e., 13.5, 12.9, and 12.4 wt % H, respectively) and attractive hydrogen desorption temperature (i.e., AlB_4H_(11) decomposes at ~125 °C). We have synthesized AlB_4H_(11) and studied its thermal desorption behavior using temperature-programmed desorption with mass spectrometry, gas volumetric (Sieverts) measurement, infrared (IR) spectroscopy, and solid state nuclear magnetic resonance (NMR). Rehydrogenation of hydrogen-desorbed products was performed and encouraging evidence of at least partial reversibility for hydrogenation at relatively mild conditions is observed. Our chemical analysis indicates that the formula for the compound is closer to AlB_4H_(12) than AlB_4H_(11).

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Hwang, Son-Jong0000-0002-3210-466X
Bowman, Robert C., Jr.0000-0002-2114-1713
Additional Information:© 2009 American Chemical Society. Received: July 22, 2008; Revised Manuscript Received: September 23, 2008. Published on Web 12/08/2008. This collaborative research was performed jointly at the Ohio State University (OSU), the Oak Ridge National Laboratory (ORNL), the Jet Propulsion Laboratory (JPL), and the California Institute of Technology (Caltech). The work at OSU was supported by Office of Energy Efficiency and Renewable Energy, Office of Hydrogen, Fuel Cell, and Infrastructure Technologies of the U.S. Department of Energy (DOE) through Award No. DE-FC3605GO15062 as part of the DOE Metal Hydride Center of Excellence (MHCoE). ORNL is managed and operated for the DOE by UT Battelle, LLC under contract DE-AC05-00OR22725. Research at ORNL is also supported by the Office of Energy Efficiency and Renewable Energy, Office of Hydrogen, Fuel Cell, and Infrastructure Technologies of DOE in conjunction with the DOE MHCoE. The participation of Douglas A. Knight was made possible by appointment in the ORNL Postgraduate Program administrated by the Oak Ridge Institute for Science and Education. Part of the research was performed at JPL, which is operated by the Caltech under contract with the NASA. The JPL and Caltech work was partially supported by DOE through Award No. DEAI- 01-05EE11105 as part of the DOE MHCoE. The NMR facility at Caltech was supported by the National Science Foundation (NSF) under Grant 9724240 and partially supported by the MRSEC Program of the NSF under Award No. DMR- 0520565.
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Department of Energy (DOE)DE-AI-01-05EE11105
Department of Energy (DOE)DE-FC3605GO15062
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Record Number:CaltechAUTHORS:ZHAjpcc08
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:13394
Deposited By: Tony Diaz
Deposited On:24 Apr 2009 22:21
Last Modified:08 Nov 2021 22:37

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