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Journal articles on the topic 'Hydrogen storage compounds'

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Published: 10 December 2022

Last updated: 29 January 2023

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1

Mao, W., and H. Mao. "Hydrogen storage in molecular compounds." Acta Crystallographica Section A Foundations of Crystallography 61, a1 (August 23, 2005): c63. http://dx.doi.org/10.1107/s010876730509731x.

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2

Mao, W. L., and H. k. Mao. "Hydrogen storage in molecular compounds." Proceedings of the National Academy of Sciences 101, no. 3 (January 7, 2004): 708–10. http://dx.doi.org/10.1073/pnas.0307449100.

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3

Hagemann, Hans. "Boron Hydrogen Compounds: Hydrogen Storage and Battery Applications." Molecules 26, no. 24 (December 7, 2021): 7425. http://dx.doi.org/10.3390/molecules26247425.

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About 25 years ago, Bogdanovic and Schwickardi (B. Bogdanovic, M. Schwickardi: J. Alloys Compd. 1–9, 253 (1997) discovered the catalyzed release of hydrogen from NaAlH4. This discovery stimulated a vast research effort on light hydrides as hydrogen storage materials, in particular boron hydrogen compounds. Mg(BH4)2, with a hydrogen content of 14.9 wt %, has been extensively studied, and recent results shed new light on intermediate species formed during dehydrogenation. The chemistry of B3H8−, which is an important intermediate between BH4− and B12H122−, is presented in detail. The discovery of high ionic conductivity in the high-temperature phases of LiBH4 and Na2B12H12 opened a new research direction. The high chemical and electrochemical stability of closo-hydroborates has stimulated new research for their applications in batteries. Very recently, an all-solid-state 4 V Na battery prototype using a Na4(CB11H12)2(B12H12) solid electrolyte has been demonstrated. In this review, we present the current knowledge of possible reaction pathways involved in the successive hydrogen release reactions from BH4− to B12H122−, and a discussion of relevant necessary properties for high-ionic-conduction materials.

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4

Li, Z. P., B. H. Liu, K. Arai, N. Morigazaki, and S. Suda. "Protide compounds in hydrogen storage systems." Journal of Alloys and Compounds 356-357 (August 2003): 469–74. http://dx.doi.org/10.1016/s0925-8388(02)01241-0.

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5

Ozturk, T., and A. Demirbas. "Boron Compounds as Hydrogen Storage Materials." Energy Sources, Part A: Recovery, Utilization, and Environmental Effects 29, no. 15 (September 27, 2007): 1415–23. http://dx.doi.org/10.1080/00908310500434572.

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6

Manakov, A. Yu, and S. S. Skiba. "Application of clathrate compounds for hydrogen storage." Russian Journal of General Chemistry 77, no. 4 (April 2007): 740–51. http://dx.doi.org/10.1134/s1070363207040354.

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7

Ouyang, Liuzhang, Fen Liu, Hui Wang, Jiangwen Liu, Xu-Sheng Yang, Lixian Sun, and Min Zhu. "Magnesium-based hydrogen storage compounds: A review." Journal of Alloys and Compounds 832 (August 2020): 154865. http://dx.doi.org/10.1016/j.jallcom.2020.154865.

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8

Hagemann, Hans. "Boron Hydrogen Compounds for Hydrogen Storage and as Solid Ionic Conductors." CHIMIA International Journal for Chemistry 73, no. 11 (November 1, 2019): 868–73. http://dx.doi.org/10.2533/chimia.2019.868.

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Metal borohydrides have been studied since the beginning of this century as potential hydrogen storage materials due to their high gravimetric hydrogen content. Many new compounds have been synthesized and characterized, however to date the main problem are the kinetics of dehydrogenation and rehydrogenation. In this review we address thermodynamical and chemical properties of boron hydrogen compounds which come into play for hydrogen storage and which must be considered in the search for efficient catalysts. More recently, closo and nido hydridoborate and related closo hydridocarborate compounds have been identified as good ionic conductors for all-solid-state lithium or sodium batteries. The properties of these fascinating and very promising compounds for battery applications are illustrated with recent literature results.

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9

Lahlou Nabil, Mohamed Amine, Nouredine Fenineche, Ioana Popa, and Joan Josep Sunyol. "Morphological, Structural and Hydrogen Storage Properties of LaCrO3 Perovskite-Type Oxides." Energies 15, no. 4 (February 17, 2022): 1463. http://dx.doi.org/10.3390/en15041463.

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Recently, perovskite-type oxides have attracted researchers as new materials for solid hydrogen storage. This paper presents the performances of perovskite-type oxide LaCrO3 dedicated for hydrogen solid storage using both numerical and experimental methods. Ab initio calculations have been used here with the aim to investigate the electronic, mechanical and elastic properties of LaCrO3Hx (x = 0, 6) for hydrogen storage applications. Cell parameters, crystal structures and mechanical properties are determined. Additionally, the cohesive energy indicates the stability of the hydride. Furthermore, the mechanical properties showed that both compounds (before and after hydrogenation) are stable. The microstructure and storage capacity at different temperatures of these compounds have been studied. We have shown that storage capacities are around 4 wt%. The properties obtained from this type of hydride showed that it can be used for future applications. XRD analysis was conducted in order to study the structural properties of the compound. Besides morphological, thermogravimetric analysis was also conducted on the perovskite-type oxide. Finally, a comparison of these materials with other hydrides used for hydrogen storage was carried out.

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10

Liu, Yuchen, Djafar Chabane, and Omar Elkedim. "Intermetallic Compounds Synthesized by Mechanical Alloying for Solid-State Hydrogen Storage: A Review." Energies 14, no. 18 (September 13, 2021): 5758. http://dx.doi.org/10.3390/en14185758.

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Hydrogen energy is a very attractive option in dealing with the existing energy crisis. For the development of a hydrogen energy economy, hydrogen storage technology must be improved to over the storage limitations. Compared with traditional hydrogen storage technology, the prospect of hydrogen storage materials is broader. Among all types of hydrogen storage materials, solid hydrogen storage materials are most promising and have the most safety security. Solid hydrogen storage materials include high surface area physical adsorption materials and interstitial and non-interstitial hydrides. Among them, interstitial hydrides, also called intermetallic hydrides, are hydrides formed by transition metals or their alloys. The main alloy types are A2B, AB, AB2, AB3, A2B7, AB5, and BCC. A is a hydride that easily forms metal (such as Ti, V, Zr, and Y), while B is a non-hydride forming metal (such as Cr, Mn, and Fe). The development of intermetallic compounds as hydrogen storage materials is very attractive because their volumetric capacity is much higher (80–160 kgH2m−3) than the gaseous storage method and the liquid storage method in a cryogenic tank (40 and 71 kgH2m−3). Additionally, for hydrogen absorption and desorption reactions, the environmental requirements are lower than that of physical adsorption materials (ultra-low temperature) and the simplicity of the procedure is higher than that of non-interstitial hydrogen storage materials (multiple steps and a complex catalyst). In addition, there are abundant raw materials and diverse ingredients. For the synthesis and optimization of intermetallic compounds, in addition to traditional melting methods, mechanical alloying is a very important synthesis method, which has a unique synthesis mechanism and advantages. This review focuses on the application of mechanical alloying methods in the field of solid hydrogen storage materials.

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11

Kustov, Leonid M., and Alexander N. Kalenchuk. "The Role of the Metal in the Catalytic Reactions of Hydrogenation–Dehydrogenation of Polycyclic Hydrocarbons for Hydrogen Storage." Metals 12, no. 12 (November 23, 2022): 2002. http://dx.doi.org/10.3390/met12122002.

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The design of benign and safe hydrogen storage systems is the priority in the development of new energy carriers. The storage of hydrogen in a liquid or compressed state, as well as in metal hydrides and adsorbents, depends on pressure and temperature and under normal conditions does not meet the criteria of the target hydrogen storage capacity, energy consumption for hydrogen storage or safety. The storage of hydrogen in chemical compounds in which it is naturally included in the composition is the only alternative. Aromatic hydrocarbons capable of reversible hydrogenation–dehydrogenation reactions are of the greatest interest among regenerable hydrogen-containing compounds and can be used for hydrogen storage. The role of the metal in the catalytic reactions of the hydrogenation–dehydrogenation of cyclic hydrocarbons for hydrogen storage is discussed in the present review in close relation to the structure and composition of the cyclic substrates.

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12

Sundqvist, Bertil, Ove Andersson, and Alexandr V. Talyzin. "Phase transitions in hydrogen storage compounds under pressure." Journal of Physics: Condensed Matter 19, no. 42 (September 19, 2007): 425201. http://dx.doi.org/10.1088/0953-8984/19/42/425201.

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13

Weck, Philippe F., T. J. Dhilip Kumar, Eunja Kim, and Naduvalath Balakrishnan. "Computational study of hydrogen storage in organometallic compounds." Journal of Chemical Physics 126, no. 9 (March 7, 2007): 094703. http://dx.doi.org/10.1063/1.2710264.

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14

Matsushita, A., and T. Matsumoto. "Compressibility and Hydrogen Storage Properties in Haucke Compounds*." Zeitschrift für Physikalische Chemie 163, Part_2 (January 1989): 491–96. http://dx.doi.org/10.1524/zpch.1989.163.part_2.0491.

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15

Peres, Rayana M., Rodrigo da S. Souza, Felipe P. Fleming, F. L. Freire, Stefania Nardecchia, Eric C. Romani, Grazieli Simões, and Rodrigo J. Corrêa. "Metal-free photochemical hydrogen storage in aromatic compounds." Journal of Photochemistry and Photobiology A: Chemistry 360 (June 2018): 71–77. http://dx.doi.org/10.1016/j.jphotochem.2018.04.032.

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16

Kalamse, Vijayanand, Nitin Wadnerkar, and Ajay Chaudhari. "Hydrogen Storage in C2H4V and C2H4V+Organometallic Compounds." Journal of Physical Chemistry C 114, no. 10 (March 18, 2010): 4704–9. http://dx.doi.org/10.1021/jp910614n.

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17

Trudeau, M. L., L. Dignard-Bailey, R. Schulz, P. Tessier, L. Zaluski, D. H. Ryan, and J. O. Strom-Olsen. "The oxidation of nanocrystalline FeTi hydrogen storage compounds." Nanostructured Materials 1, no. 6 (November 1992): 457–64. http://dx.doi.org/10.1016/0965-9773(92)90078-c.

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18

Huot, Jacques, Catherine Gosselin, Thomas Bibienne, and Roxana Flacau. "Study of hydrogen storage materials by neutron powder diffraction." Acta Crystallographica Section A Foundations and Advances 70, a1 (August 5, 2014): C939. http://dx.doi.org/10.1107/s2053273314090603.

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Metal hydrides are interesting materials from a fundamental as well as practical point of view. Hydrogen storage applications have been the main driving force of research on these materials but lately uses such as thermal storage are considered. In this presentation we will review the use of neutron diffraction for the development of new metal hydrides. Two systems will be presented: BCC solid solution alloys and FeTi alloy. Ti-based BCC solid solutions are promising material for hydrogen storage applications which need high volumetric capacity and room temperature operation. One system that has been considered is Ti-V-Cr. Using only X-ray diffraction for structural identification does not provide information about hydrogen localization. Therefore, neutron diffraction is essential for complete determination of this class of hydrides. We will present examples of Ti-V-Cr compounds doped with Zr-Ni alloy. The peculiarity of this type of alloy is that, for neutron diffraction, the scattering lengths of the elements almost cancel. Therefore, the neutron pattern of as-cast alloy shows very small Bragg peaks but the advantage is that the hydride for is very easy to see and analyze. Another good candidate for hydrogen storage applications is the intermetallic compound TiFe which operates at around room temperature (RT) under mild pressure conditions. However one disadvantage of TiFe alloy synthesized by conventional metallurgical method is its poor activation characteristics. The alloy reacts with hydrogen only after complicated activation procedure involving exposure to high temperature (~4000C) and high pressure for several days. Recently we found that by doping this alloy with Zr and Zr7Ni10 the activation could be easily done at room temperature. We present here a neutron diffraction study of these compounds that shows the structural difference between the activated compound and the one cycled under hydrogen.

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19

James, W. J., L. Jagat, Q. Cai, W. B. Yelon, and J. B. Yang. "Structural Study on Ammonia Borane for Hydrogen Storage." Materials Science Forum 610-613 (January 2009): 425–30. http://dx.doi.org/10.4028/www.scientific.net/msf.610-613.425.

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Ammonia borane(BH3NH3) is a promising hydrogen storage material because of its high gravimetric (19.6 wt% H2) and volumetric hydrogen density with an accompanying moderate decomposition temperature. Previously reported structures determined by using x-ray and neutron diffraction on hydrides show differences in bond lengths and atomic coordination. Here, the crystal structures of fully and half deuterated ammonia borane were investigated as a function of temperature using powder neutron diffraction. The neutron diffraction patterns show a significant difference due to large difference in the scattering length of D and H. It is evident that an order-disorder phase transition occurs around 225 K for all compounds. At low temperature, the compound crystallizes in the orthorhombic structure with space group Pnm21 and gradually transforms to a high temperature disordered tetragonal structure with space group I/4mm at about 225K. The differential scanning calorimetry studies confirm this phase transformation and also indicate that all compounds melt and decompose at above 370 K. The c cell parameter remains unchanged in the orthorhombic phase from 16 K to 200K and increases liaa nearly above 225K. As the temperature is increased, the BH3-NH3 groups start to reorient along the c axis, and the D/H atoms become disordered, leading to the tetragonal phase transition around 225K.

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20

Donnelly, Mary-Ellen, Craig Bull, Athina Frantzana, Stefan Klotz, and John Loveday. "Hydrogen-rich Inclusion Compounds at High-pressure." Acta Crystallographica Section A Foundations and Advances 70, a1 (August 5, 2014): C754. http://dx.doi.org/10.1107/s2053273314092456.

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Molecular hydrogen (H2) has been proposed as an alternative fuel source for vehicles. Though H2has many benefits, such as clean combustion and the highest known energy density by mass, there are issues in how to store it in a safe and cost effective way. One solution is to store hydrogen in a chemical compound, and gas clathrates (crystalline inclusion compounds) have shown promising results. Pressure provides a powerful means to tune the properties of such compounds and its effects on potential hydrogen storage materials are widely explored. We have recently developed a hydrogen-compatible gas loader for the Paris-Edinburgh press, which enables the loading of high density hydrogen into a clamp with a sample volume suitable for neutron diffraction experiments using the Paris-Edinburgh press [1]. Neutron diffraction is the technique of choice for such materials since it can reveal the location and occupancy of the hydrogen sites. We will present recent data from high-pressure neutron diffraction experiments on hydrogen hydrates as well as other clathrate forming systems like urea and hydroquinone.

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21

Sotoodeh, Farnaz, and Kevin J. Smith. "Kinetics of Hydrogen Uptake and Release from Heteroaromatic Compounds for Hydrogen Storage." Industrial & Engineering Chemistry Research 49, no. 3 (February 3, 2010): 1018–26. http://dx.doi.org/10.1021/ie9007002.

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22

Zheng, Xiongfei, Xuefeng Huang, Yuanzhou Song, Xiaohua Ma, and Yanhui Guo. "Aluminum borohydride–ethylenediamine as a hydrogen storage candidate." RSC Advances 5, no. 128 (2015): 105618–21. http://dx.doi.org/10.1039/c5ra20005a.

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A series of novel hydrogen storage compounds (Al(BH₄)₃·nC₂H₈N₂, n = 4, 3, 2, 1) were synthesized. This system turned out to be a reliable hydrogen storage candidate.

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23

Zhang, Jianfeng, Zhinian Li, Yuanfang Wu, Xiumei Guo, Jianhua Ye, Baolong Yuan, Shumao Wang, and Lijun Jiang. "Recent advances on the thermal destabilization of Mg-based hydrogen storage materials." RSC Advances 9, no. 1 (2019): 408–28. http://dx.doi.org/10.1039/c8ra05596c.

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Magnesium hydride and its compounds have a high hydrogen storage capacity and are inexpensive, and thus have been considered as one of the most promising hydrogen storage materials for on-board applications.

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24

Dantzer, P. "Properties of intermetallic compounds suitable for hydrogen storage applications." Materials Science and Engineering: A 329-331 (June 2002): 313–20. http://dx.doi.org/10.1016/s0921-5093(01)01590-8.

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25

Korablov, Dmytro, Flemming Besenbacher, and Torben R. Jensen. "Ternary compounds in the magnesium–titanium hydrogen storage system." International Journal of Hydrogen Energy 39, no. 18 (June 2014): 9700–9708. http://dx.doi.org/10.1016/j.ijhydene.2014.03.141.

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26

Zhang, Qingan, Bin Zhao, Miaohui Fang, Chaoren Liu, Qingmiao Hu, Fang Fang, Dalin Sun, Liuzhang Ouyang, and Min Zhu. "(Nd1.5Mg0.5)Ni7-Based Compounds: Structural and Hydrogen Storage Properties." Inorganic Chemistry 51, no. 5 (February 22, 2012): 2976–83. http://dx.doi.org/10.1021/ic2022962.

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27

Gencer, Aysenur, Gokhan Surucu, and Selgin Al. "MgTiO3Hx and CaTiO3Hx perovskite compounds for hydrogen storage applications." International Journal of Hydrogen Energy 44, no. 23 (May 2019): 11930–38. http://dx.doi.org/10.1016/j.ijhydene.2019.03.116.

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28

Zhou, He, Hai-Zhen Liu, Lou Xu, Shi-Chao Gao, Xin–Hua Wang, and Mi Yan. "Hydrogen storage properties of Nb-compounds-catalyzed LiBH4–MgH2." Rare Metals 36, no. 9 (June 23, 2017): 723–28. http://dx.doi.org/10.1007/s12598-017-0929-2.

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29

Castilla-Martinez, Carlos A., Romain Moury, Salem Ould-Amara, and Umit B. Demirci. "Destabilization of Boron-Based Compounds for Hydrogen Storage in the Solid-State: Recent Advances." Energies 14, no. 21 (October 26, 2021): 7003. http://dx.doi.org/10.3390/en14217003.

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Boron-based materials have been widely studied for hydrogen storage applications. Examples of these compounds are borohydrides and boranes. However, all of these present some disadvantages that have hindered their potential application as hydrogen storage materials in the solid-state. Thus, different strategies have been developed to improve the dehydrogenation properties of these materials. The purpose of this review is to provide an overview of recent advances (for the period 2015–2021) in the destabilization strategies that have been considered for selected boron-based compounds. With this aim, we selected seven of the most investigated boron-based compounds for hydrogen storage applications: lithium borohydride, sodium borohydride, magnesium borohydride, calcium borohydride, ammonia borane, hydrazine borane and hydrazine bisborane. The destabilization strategies include the use of additives, the chemical modification and the nanosizing of these compounds. These approaches were analyzed for each one of the selected boron-based compounds and these are discussed in the present review.

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30

Bowman, Robert C., and Brent Fultz. "Metallic Hydrides I: Hydrogen Storage and Other Gas-Phase Applications." MRS Bulletin 27, no. 9 (September 2002): 688–93. http://dx.doi.org/10.1557/mrs2002.223.

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AbstractA brief survey is given of the various classes of metal alloys and compounds that are suitable for hydrogen-storage and energy-conversion applications. Comparisons are made of relevant properties including hydrogen absorption and desorption pressures, total and reversible hydrogen-storage capacity, reaction-rate kinetics, initial activation requirements, susceptibility to contamination, and durability during long-term thermal cycling. Selected applications are hydrogen storage as a fuel, gas separation and purification, thermal switches, and sorption cryocoolers.

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31

AL, Selgin. "Investigations of Physical Properties of XTiH3 and Implications for Solid State Hydrogen Storage." Zeitschrift für Naturforschung A 74, no. 11 (November 26, 2019): 1023–30. http://dx.doi.org/10.1515/zna-2019-0184.

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AbstractThis study adopts density functional theory to predict and thoroughly investigate new types of perovskite compounds for solid state storage of hydrogen. CaTiH3 and MgTiH3 perovskite hydrides are chosen and investigated using density functional theory in terms of ground state properties, electronic, mechanical, and thermodynamic properties for solid state storage of hydrogen. Stability of compounds are verified by calculating formation energies. Several crucial parameters; elastic constants, bulk, Young, Shear modulus, and Cauchy pressures are computed and analysed in great detail. Mechanical stability evaluation indicated that both compounds are mechanically stable whereas MgTiH3 is ductile whilst CaTiH3 is a brittle material. In addition, mechanical anisotropy is analysed using 2D surfaces. Both compounds showed anisotropic behaviour in all directions except for linear compressibility. Electronic band structures and their corresponding density of states of compounds are obtained. The results indicate that both compounds have metallic nature. From the results presented here, it can be predicted that MgTiH3 is a better material for hydrogen storage with a gravimetric density of ∼4.01 wt %.

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32

Zhao, Shiqian, Hui Wang, and Jiangwen Liu. "Exploring the Hydrogen-Induced Amorphization and Hydrogen Storage Reversibility of Y(Sc)0.95Ni2 Laves Phase Compounds." Materials 14, no. 2 (January 7, 2021): 276. http://dx.doi.org/10.3390/ma14020276.

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Rare-earth-based AB2-type compounds with Laves phase structure are readily subject to hydrogen-induced amorphization and disproportionation upon hydrogenation. In this work, we conducted the Sc alloying on Y0.95Ni2 to improve its hydrogen storage properties. The results show that the amorphization degree of Y0.95Ni2 deepens with the increasing hydrogenation time, pressure, and temperature. The Y(Sc)0.95Ni2 ternary compounds show a significant improvement in reversibility and dehydriding thermodynamics due to the reduced atomic radius ratio RA/RB and cell volume. Hydrogen-induced amorphization is fully eliminated in the Y0.25Sc0.7Ni2. The Y0.25Sc0.7Ni2 delivers a reversible hydrogen storage capacity of 0.94 wt.% and the dissociation pressure of 0.095 MPa at the minimum dehydrogenation temperature of 100 °C.

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33

Zhao, Shiqian, Hui Wang, and Jiangwen Liu. "Exploring the Hydrogen-Induced Amorphization and Hydrogen Storage Reversibility of Y(Sc)0.95Ni2 Laves Phase Compounds." Materials 14, no. 2 (January 7, 2021): 276. http://dx.doi.org/10.3390/ma14020276.

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Rare-earth-based AB2-type compounds with Laves phase structure are readily subject to hydrogen-induced amorphization and disproportionation upon hydrogenation. In this work, we conducted the Sc alloying on Y0.95Ni2 to improve its hydrogen storage properties. The results show that the amorphization degree of Y0.95Ni2 deepens with the increasing hydrogenation time, pressure, and temperature. The Y(Sc)0.95Ni2 ternary compounds show a significant improvement in reversibility and dehydriding thermodynamics due to the reduced atomic radius ratio RA/RB and cell volume. Hydrogen-induced amorphization is fully eliminated in the Y0.25Sc0.7Ni2. The Y0.25Sc0.7Ni2 delivers a reversible hydrogen storage capacity of 0.94 wt.% and the dissociation pressure of 0.095 MPa at the minimum dehydrogenation temperature of 100 °C.

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34

Wrona, Adriana, Agnieszka Sierczyńska, Katarzyna Bilewska, Małgorzata Kamińska, and Mariusz Staszewski. "Stability of Thermally Processed LaNi₅-Based Alloys for Hydrogen Storage." Solid State Phenomena 203-204 (June 2013): 423–26. http://dx.doi.org/10.4028/www.scientific.net/ssp.203-204.423.

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Hydrogen-absorbing compounds of AB5-type are widely studied in view of their application not only as anode material in fuel cells but also in high-energy Ni-MH cells. Within this work nanocrystalline MmNi3.55Al0.3Mn0.4Co0.75 compounds, where Mm is La–rich mixture of rare earth elements, synthesized by High-Energy Ball Milling (HEBM) of arc-melted alloy and AB5-type alloy/carbon composites prepared by CVD method were studied. As the compounds subjected to high temperature during preparation their thermal stability has been established after annealing at various temperatures. X-ray phase analysis has unambiguously proven that over 400°C single-phase MmNi3.55Al0.3Mn0.4Co0.75 starts to decompose into a multi-phase mixture with Ni-based solid solution as a main phase. Similar behaviour has been observed for composite material. Moreover, carbon distribution on surface of alloy particles is inhomogeneous as seen in microanalysis. Nevertheless, a substantial increase of hydrogen capacity has been observed for composite material in comparison with pure intermetallic compound, when used as anode material in direct borohydride fuel cell (DBFC).

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35

Kalenchuk, А. N., and V. I. Bogdan. "Catalytic Hydrogen Storage Systems Based on Hydrogenation-Dehydrogenation Reactions." Kataliz v promyshlennosti 22, no. 5 (September 29, 2022): 15–25. http://dx.doi.org/10.18412/1816-0387-2022-5-15-25.

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Hydrogen accumulation, storage and production systems are the important direction in the development of fundamental and applied aspects of alternative energy. Liquid organic hydrogen carriers (LOHC), polycyclic forms of the corresponding aromatic compounds, are an efficient way of hydrogen storage and release with a hydrogen content of up to 7.3 mas.%. This article compares LOHC as potential substrates for hydrogen storage and hydrogen evolution based on catalytic hydrogenation-dehydrogenation reactions, including cyclohexane, methylcyclohexane, decalin, perhydroterphenyl, bicyclohexyl, perhydrodibenzyltoluene and perhydroethylcarbazole. For each of the perhydrogenated substrates, data on the activity and selectivity of Pt-containing dehydrogenation catalysts are presented.

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36

Choudhuri, Indrani, Arup Mahata, and Biswarup Pathak. "Additives in protic–hydridic hydrogen storage compounds: a molecular study." RSC Adv. 4, no. 95 (2014): 52785–95. http://dx.doi.org/10.1039/c4ra09778e.

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37

Huang, Song-Jeng, Matoke Peter Mose, and Sathiyalingam Kannaiyan. "Artificial Intelligence Application in Solid State Mg-Based Hydrogen Energy Storage." Journal of Composites Science 5, no. 6 (May 29, 2021): 145. http://dx.doi.org/10.3390/jcs5060145.

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The use of Mg-based compounds in solid-state hydrogen energy storage has a very high prospect due to its high potential, low-cost, and ease of availability. Today, solid-state hydrogen storage science is concerned with understanding the material behavior of different compositions and structure when interacting with hydrogen. Finding a suitable material has remained an elusive idea, and therefore, this review summarizes works by various groups, the milestones they have achieved, and the roadmap to be taken on the study of hydrogen storage using low-cost magnesium composites. Mg-based compounds are further examined from the perspective of artificial intelligence studies, which helps to improve prediction of their properties and hydrogen storage performance. There exist several techniques to improve the performance of Mg-based compounds: microstructure modification, use of catalytic additives, and composition regulation. Microstructure modification is usually achieved by employing different synthetic techniques like severe plastic deformation, high energy ball milling, and cold rolling, among others. These synthetic approaches are discussed herein. In this review, a discussion of key parameters and operating conditions are highlighted in a view to finding high storage capacity and faster kinetics. Furthermore, recent approaches like machine learning have found application in guiding the experimental design. Hence, this review paper also explores how machine learning techniques have been utilized to fasten the materials research. It is however noted that this study is not exhaustive in itself.

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38

Gosselin, Catherine, Jacques Huot, and Roxana Flacau. "Study of hydrogen storage of the TiFe alloy by neutron powderdiffraction." Acta Crystallographica Section A Foundations and Advances 70, a1 (August 5, 2014): C1767. http://dx.doi.org/10.1107/s2053273314082321.

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Metal hydrides are interesting materials from a fundamental as well as practical point of view. Hydrogen storage applications have been the main driving force of research on these materials but lately, uses such as thermal storage are considered. In this presentation, we will review the use of neutron diffraction for the development of new metal hydrides. A good candidate for hydrogen storage applications is the low cost intermetallic compound TiFe which operates near room temperature (RT) under mild pressure conditions. However, the biggest disadvantage of TiFe alloy synthesized by conventional metallurgical method is it poor activation characteristics [1]. The alloy reacts with hydrogen only after complicated activation procedure involving exposure to high temperature (~4000C) and high pressure for several days. In the '90, some researches showed that the change in the nanocristallinity can modify the sorption property of the TiFe[2]. Other research works found that palladium increase the contaminant resistance. However, addition of palladium is too expansive for practical applications [3]. Recently, we found that, when doping TiFe with Zr and Zr7Ni10, the activation could be easily done at room temperature. We present here a neutron diffraction study of these compounds that shows the structural difference between the activated compound and the one cycled under hydrogen.

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39

Penzhorn, R. D., M. Sirch, A. N. Perevezentsev, and A. N. Borisenko. "Hydrogen Sorption Rate by Intermetallic Compounds Suitable for Tritium Storage." Fusion Technology 28, no. 3P2 (October 1995): 1399–403. http://dx.doi.org/10.13182/fst95-a30607.

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40

Bouaricha, S. "Reactivity during cycling of nanocrystalline Mg-based hydrogen storage compounds." International Journal of Hydrogen Energy 27, no. 9 (September 2002): 909–13. http://dx.doi.org/10.1016/s0360-3199(01)00183-5.

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41

Yukawa, H., M. Moringa, and Y. Takahashi. "Alloying effect on the electronic structures of hydrogen storage compounds." Journal of Alloys and Compounds 253-254 (May 1997): 322–25. http://dx.doi.org/10.1016/s0925-8388(96)03065-4.

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42

Choi, In Young, Byeong Soo Shin, Sang Kyu Kwak, Kyung Soo Kang, Chang Won Yoon, and Jeong Won Kang. "Thermodynamic efficiencies of hydrogen storage processes using carbazole-based compounds." International Journal of Hydrogen Energy 41, no. 22 (June 2016): 9367–73. http://dx.doi.org/10.1016/j.ijhydene.2016.04.118.

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43

Zhang, Qiuyu, Lei Zang, Yike Huang, Panyu Gao, Lifang Jiao, Huatang Yuan, and Yijing Wang. "Improved hydrogen storage properties of MgH2 with Ni-based compounds." International Journal of Hydrogen Energy 42, no. 38 (September 2017): 24247–55. http://dx.doi.org/10.1016/j.ijhydene.2017.07.220.

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44

Kumar, Rahul, Abhi Karkamkar, Mark Bowden, and Tom Autrey. "Solid-state hydrogen rich boron–nitrogen compounds for energy storage." Chemical Society Reviews 48, no. 21 (2019): 5350–80. http://dx.doi.org/10.1039/c9cs00442d.

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45

Kubota, Akira, Hiroki Miyaoka, Masami Tsubota, Keiji Shimoda, Takayuki Ichikawa, and Yoshitsugu Kojima. "Synthesis and characterization of magnesium–carbon compounds for hydrogen storage." Carbon 56 (May 2013): 50–55. http://dx.doi.org/10.1016/j.carbon.2012.12.091.

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46

Zhao, H. Y., S. T. Oyama, and E. D. Naeemi. "Hydrogen storage using heterocyclic compounds: The hydrogenation of 2-methylthiophene." Catalysis Today 149, no. 1-2 (January 2010): 172–84. http://dx.doi.org/10.1016/j.cattod.2009.02.039.

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47

Wang, Xinhua, Changpin Chen, Chunsheng Wang, and Qidong Wang. "Hydrogen storage properties of Ml1−Ca Ni5 pseudobinary intermetallic compounds." Journal of Alloys and Compounds 232, no. 1-2 (January 1996): 192–96. http://dx.doi.org/10.1016/0925-8388(95)01915-4.

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48

Miyaoka, Hiroki, Wataru Ishida, Takayuki Ichikawa, and Yoshitsugu Kojima. "Synthesis and characterization of lithium–carbon compounds for hydrogen storage." Journal of Alloys and Compounds 509, no. 3 (January 2011): 719–23. http://dx.doi.org/10.1016/j.jallcom.2010.08.002.

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49

Cho, Young Hee, and Arne K. Dahle. "Catalysing Effect of Intermetallic Compounds on Hydrogen Desorption Kinetics in Cast Magnesium Alloys." Materials Science Forum 654-656 (June 2010): 2863–66. http://dx.doi.org/10.4028/www.scientific.net/msf.654-656.2863.

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Magnesium based hydrogen storage materials were prepared by a conventional melting and casting technique. Characterisation of microstructure and hydrogen sorption properties of the alloys was carried out. Additions of Al, Cu and Ni lead to the formation of eutectic mixtures, Mg-Mg17Al12, Mg-Mg2Cu and Mg-Mg2Ni, respectively, with an inter-lamellar spacing of a few hundred nanometers. 3d and 4d transition metals were also added to Mg based alloys and were found to form intermetallic compounds that were homogeneously dispersed in the alloys. The dehydrogenation rate of the Mg alloys was quantitatively analysed in order to determine the rate-limiting step for the hydrogen desorption kinetics. The catalysing role of each intermetallic compound for the hydrogen desorption kinetics is further discussed.

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Imamura, Hayao, Shingo Kasahara, Toshihiko Takada, and Susumu Tsuchiya. "Hydrogen Storage in Rare Earth Intermetallic Compounds by the Use of Chemical Hydrogen Carriers*." Zeitschrift für Physikalische Chemie 164, Part_2 (January 1989): 1397–402. http://dx.doi.org/10.1524/zpch.1989.164.part_2.1397.

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