Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 54, Issue 4, Pages 1236-1239Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201408456
Keywords
alkali metal halides; borohydrides; hydrogen storage; organic solvents; weakly coordinating anions
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Funding
- Polish Ministry of Science and Higher Education (Iuventus Plus grant) [0196/IP3/2011/71]
- CEPT project [POIG.02.02.00-14-024/08-00]
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The poor kinetics of hydrogen evolution and the irreversibility of the hydrogen discharge hamper the use of transition metal borohydrides as hydrogen storage materials, and the drawbacks of current synthetic methods obstruct the exploration of these systems. A wet-chemistry approach, which is based on solvent-mediated metathesis reactions of precursors containing bulky organic cations and weakly coordinating anions, leads to mixed-metal borohydrides that contain only a small amount of dead mass. The applicability of this method is exemplified by Li[Zn-2(BH4)(5)] and M[Zn(BH4)(3)] salts (M=Na, K), and its extension to other systems is discussed.
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