Theory and practice:bulk synthesis of C3B and its H-2- and Li-storage capacity

King, Timothy C. and Matthews, Peter D. and Glass, Hugh and Cormack, Jonathan A. and Pedro Holgado, Juan and Leskes, Michal and Griffin, John M. and Scherman, Oren A. and Barker, Paul D. and Grey, Clare P. and Dutton, Sian E. and Lambert, Richard M. and Tustin, Gary and Alavi, Ali and Wright, Dominic S. (2015) Theory and practice:bulk synthesis of C3B and its H-2- and Li-storage capacity. Angewandte Chemie International Edition, 54 (20). pp. 5919-5923. ISSN 1433-7851

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Previous theoretical studies of C3B have suggested that boron-doped graphite is a promising H-2- and Li-storage material, with large maximum capacities. These characteristics could lead to exciting applications as a lightweight H-2-storage material for automotive engines and as an anode in a new generation of batteries. However, for these applications to be realized a synthetic route to bulk C3B must be developed. Here we show the thermolysis of a single-source precursor (1,3-BBr2)(2)C6H4) to produce graphitic C3B, thus allowing the characteristics of this elusive material to be tested for the first time. C3B was found to be compositionally uniform but turbostratically disordered. Contrary to theoretical expectations, the H-2- and Li-storage capacities are lower than anticipated, results that can partially be explained by the disordered nature of the material. This work suggests that to model the properties of graphitic materials more realistically, the possibility of disorder must be considered.

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Journal Article
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Angewandte Chemie International Edition
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21 Oct 2015 04:59
Last Modified:
21 Sep 2023 01:54