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|a 10.1002/adma.202502566
|2 doi
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|a pubmed25n1576.xml
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|a eng
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|a Lombardo, Loris
|e verfasserin
|4 aut
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|a Deep Eutectic Solvents Formed by Complex Hydrides
|b A New Class of Hydrogen-Rich Liquid
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|c 2025
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 21.09.2025
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2025 The Author(s). Advanced Materials published by Wiley‐VCH GmbH.
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|a Deep eutectic solvents (DESs) are novel mixtures that exhibit a significant depression in melting points compared to their individual components. This work finds that combining tetrabutylammonium borohydride (TBABH) with ammonia borane (AB) yields new, stable, hydrogen-rich liquids under ambient conditions, with a glass transition as low as -50 °C. Liquid mixtures containing up to 6.9 wt% hydrogen can be easily obtained through physical grinding. The strong interaction between the BH4 - anion of TBABH and AB coupled with the vibration dynamics of the alkyl chains accounts for the sharp decrease in melting point. The eutectic point is identified at a TBABH-AB molar ratio of 1-2. Increasing the AB ratio further reduces the glass transition temperature but also induces a cold crystallization phenomenon. These mixtures can release hydrogen at temperatures as low as 60 °C, making them promising candidates for hydrogen storage. This represents the first example of a hydride-based DES, advancing research on complex hydrides and opening the door to the discovery of new hydrogen-rich liquids for various applications
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|a Journal Article
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|a ammonia borane
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|a borohydride
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|a deep eutectic solvents
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|a liquid hydrogen carrier
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|a Nishiguchi, Taichi
|e verfasserin
|4 aut
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|a Pham, Thi Ha My
|e verfasserin
|4 aut
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|a Züttel, Andreas
|e verfasserin
|4 aut
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|a Horike, Satoshi
|e verfasserin
|4 aut
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 37(2025), 37 vom: 15. Sept., Seite e2502566
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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|g volume:37
|g year:2025
|g number:37
|g day:15
|g month:09
|g pages:e2502566
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|u http://dx.doi.org/10.1002/adma.202502566
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