Hydrogen Storage Materials: Room‐Temperature Wet‐Chemistry Approach toward Mixed‐Metal Borohydrides |
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| Authors: | Dr Tomasz Jaroń Piotr A Or?owski Wojciech Wegner Dr Karol J Fija?kowski Dr Piotr J Leszczyński Prof Wojciech Grochala |
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| Affiliation: | 1. Centre of New Technologies, University of Warsaw, ?wirki i Wigury 93, 02‐089 Warsaw (Poland);2. Faculty of Physics, University of Warsaw, Ho?a 69, 00‐681 Warsaw (Poland) |
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| Abstract: | 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 LiZn2(BH4)5] and MZn(BH4)3] salts (M=Na, K), and its extension to other systems is discussed. |
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| Keywords: | alkali metal halides borohydrides hydrogen storage organic solvents weakly coordinating anions |
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