2020
DOI: 10.3389/fchem.2019.00892
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Wet Chemical Synthesis of Non-solvated Rod-Like α'-AlH3 as a Hydrogen Storage Material

Abstract: Aluminum hydride (AlH 3) is a promising candidate for hydrogen storage due to its high hydrogen density of 10 wt%. Several polymorphs of AlH 3 (e.g., α, β, and γ) have been successfully synthesized by wet chemical reaction of LiAlH 4 and AlCl 3 in ether solution followed by desolvation. However, the synthesis process of α'-AlH 3 from wet chemicals still remains unclear. In the present work, α'-AlH 3 was synthesized first by the formation of the etherate AlH 3 through a reaction of LiAlH 4 and AlCl 3 in ether s… Show more

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Cited by 14 publications
(3 citation statements)
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References 17 publications
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“…Hydrogen, with advantages of high abundance, recyclability, carbon-free, and high energy density, is an essential component in many industries. Metal hydride has unparalleled advantages owing to its safety, high capacity, easy transportation, and low cost compared to many hydrogen-containing hosts , and is thus considered to be one of the most promising large-scale hydrogen storage methods, especially for hydrogen production, storage, and transport fields . Among the candidates, aluminum hydride (AlH 3 ) has also been taken into account as a promising portable hydrogen storage material due to its high theoretical hydrogen storage capacity (10 wt %, 148 kg m –3 ) and low dehydrogenation temperature (150–180 °C). Regrettably, the dehydrogenation temperature is still too high to limit the practical application, e.g., as hydrogen sources for portable high-efficient proton-exchange membrane fuel cells.…”
Section: Introductionmentioning
confidence: 99%
“…Hydrogen, with advantages of high abundance, recyclability, carbon-free, and high energy density, is an essential component in many industries. Metal hydride has unparalleled advantages owing to its safety, high capacity, easy transportation, and low cost compared to many hydrogen-containing hosts , and is thus considered to be one of the most promising large-scale hydrogen storage methods, especially for hydrogen production, storage, and transport fields . Among the candidates, aluminum hydride (AlH 3 ) has also been taken into account as a promising portable hydrogen storage material due to its high theoretical hydrogen storage capacity (10 wt %, 148 kg m –3 ) and low dehydrogenation temperature (150–180 °C). Regrettably, the dehydrogenation temperature is still too high to limit the practical application, e.g., as hydrogen sources for portable high-efficient proton-exchange membrane fuel cells.…”
Section: Introductionmentioning
confidence: 99%
“…Research and development of advanced hydrogen storage materials is of vital importance for the practical application of solid-state hydrogen storage. During the past decades, many light-weight hydrogen storage materials have been discovered and developed ( Li et al, 2019a ), for example, light binary metal hydrides ( Liu et al, 2020a ; Liu et al, 2021a ; Zhang et al, 2021a ; Huang et al, 2021 ; Jiang et al, 2021 ; Si et al, 2021 ), metal aluminum hydrides ( Huang et al, 2020 ; Li et al, 2020 ; Ren et al, 2021 ), metal borohydrides ( Zhang et al, 2021b ; Neves et al, 2021 ; Wang and Aguey-Zinsou, 2021 ; Xian et al, 2021 ), imides and amides ( Chao et al, 2020 ; Chen et al, 2020 ; Liu et al, 2021b ), etc.…”
Section: Introductionmentioning
confidence: 99%
“…Compared with high cost cryogenic liquid storage and dangerous high compression gas tanks, hydrogen stored in solid-state materials shows easy manipulability temperature, low working pressure (Khafidz et al, 2016 ; Rusman and Dahari, 2016 ; Razavi et al, 2019 ). In the past decades, oceans of materials for hydrogen storage have been investigated, including physical adsorbents (carbon and MOF), complex hydrides (LiBH 4 , LiNH 4 , NaAlH 4 ), alloys hydrides (Mg 2 NiH 4 , TiFeH 2 , NaMgH 3 ), and metal hydrides (MgH 2 ) (Shao et al, 2015 ; Zhai et al, 2016 ; Xiao et al, 2017 ; Chen et al, 2019 ; Goto et al, 2019 ; He et al, 2019 , 2020 ; Liu H. et al, 2019 , 2020 ; Song et al, 2019 ; Jansa et al, 2020 ; Yao et al, 2020 ).…”
Section: Introductionmentioning
confidence: 99%