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Mittal H, Kushwaha OS, Nadagouda M, Hegde G, Allen S, M Aminabhavi T. Adsorption and storage of hydrogen- A computational model approach. ENVIRONMENTAL RESEARCH 2024; 260:119606. [PMID: 39004395 DOI: 10.1016/j.envres.2024.119606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2024] [Revised: 06/03/2024] [Accepted: 07/10/2024] [Indexed: 07/16/2024]
Abstract
Due to the imperative global energy transition crisis, hydrogen storage and adsorption technologies are becoming popular with the growing hydrogen economy. Recently, complex hydrides have been one of the most reliable materials for storing and transporting hydrogen gas to various fuel cells to generate clean energy with zero carbon emissions. With the ever-increasing carbon emissions, it is necessary to substitute the current energy sources with green hydrogen-based efficient energy-integrated systems. Herein, we propose an input-output model that comprehends complex hydrides such as lithium and magnesium alanates, amides and borohydrides to predict, estimate, and directly analyse hydrogen storage and adsorption. A critical and thorough comparative analysis of the respective complex hydrides for hydrogen adsorption and storage is discussed, elucidating the storage applications in water bodies. Several industrial scale-up processes, economic analysis, and plant design of hydrogen storage and adsorption approaches are suggested through volumetric and gravimetric calculations.
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Affiliation(s)
- Harshit Mittal
- Center for Energy and Environment, School of Advanced Sciences, KLE Technological University, Hubballi, Karnataka, 580 031, India; University School of Chemical Technology, Guru Gobind Singh Indraprastha University, Dwarka, Delhi, 110 078, India
| | - Omkar Singh Kushwaha
- Chemical Engineering Department, Indian Institute of Technology, Madras, Chennai, 600036, India
| | - Mallikarjuna Nadagouda
- Department of Mechanical and Materials Engineering, Wright State University, Dayton, OH, 45435, USA
| | - Gurumurthy Hegde
- Centre for Advanced Research and Development, CHRIST (Deemed to be University), Hosur Road, Bengaluru, 560 029, India
| | - Stephen Allen
- School of Chemistry and Chemical Engineering, Queen's University, Belfast, BT9 5AG, United Kingdom
| | - Tejraj M Aminabhavi
- Center for Energy and Environment, School of Advanced Sciences, KLE Technological University, Hubballi, Karnataka, 580 031, India; Korea University, Seoul, 02841, South Korea.
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2
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Lamanec M, Zienertová J, Špeťko M, Nachtigallová D, Hobza P. Similarities and Differences of Hydridic and Protonic Hydrogen Bonding. Chemphyschem 2024; 25:e202400403. [PMID: 38771647 DOI: 10.1002/cphc.202400403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Revised: 05/21/2024] [Accepted: 05/21/2024] [Indexed: 05/23/2024]
Abstract
Ab initio calculations were employed to investigate the interactions between selected electron-donating groups, characterized by M-H bonds (where M represents a transition metal and H denotes a hydridic hydrogen), and electron-accepting groups featuring both σ- and π-holes. The study utilized the ωB97X-D3BJ/def2-TZVPPD level of theory. Hydridic hydrogen complexes were found in all complexes with σ- and π-holes. A comparative analysis was conducted on the properties hydridic H-bond complexes, presented here and those studied previously, alongside an extended set of protonic H-bonds complexes. While the stabilization energies changes in M-H bond lengths, vibrational frequencies, intensities of the spectral bands, and charge transfer for these complexes are comparable, the nature of hydridic and protonic H-bonds fundamentally differ. In protonic H-bond complexes, the main stabilization forces arise from electrostatic contributions, while in hydridic H-bond complexes, dispersion energy, is the primary stabilization factor due to the excess of electrons and thus larger polarizability at hydridic H. The finding represents an important characteristic that distinguishes hydridic H-bonding from protonic H-bonds.
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Affiliation(s)
- Maximilián Lamanec
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo náměstí 542/2, 160 00, Prague 6, Czech Republic
- IT4Innovations, VŠB-Technical University of Ostrava, 17. listopadu 2172/15, 708 00, Ostrava-Poruba, Czech Republic
- Department of Physical Chemistry, Palacký University Olomouc, tr. 17. listopadu 12, 771 46, Olomouc, Czech Republic
| | - Jitka Zienertová
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo náměstí 542/2, 160 00, Prague 6, Czech Republic
| | - Matej Špeťko
- IT4Innovations, VŠB-Technical University of Ostrava, 17. listopadu 2172/15, 708 00, Ostrava-Poruba, Czech Republic
| | - Dana Nachtigallová
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo náměstí 542/2, 160 00, Prague 6, Czech Republic
- IT4Innovations, VŠB-Technical University of Ostrava, 17. listopadu 2172/15, 708 00, Ostrava-Poruba, Czech Republic
| | - Pavel Hobza
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo náměstí 542/2, 160 00, Prague 6, Czech Republic
- IT4Innovations, VŠB-Technical University of Ostrava, 17. listopadu 2172/15, 708 00, Ostrava-Poruba, Czech Republic
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Shinohara T, Kisu K, Dorai A, Zushida K, Yabu H, Takagi S, Orimo SI. Complex Hydride-Based Gel Polymer Electrolytes for Rechargeable Ca-Metal Batteries. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2308318. [PMID: 38958510 PMCID: PMC11434029 DOI: 10.1002/advs.202308318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 06/03/2024] [Indexed: 07/04/2024]
Abstract
Rechargeable Ca batteries offer the advantages of high energy density, low cost, and earth-abundant constituents, presenting a viable alternative to lithium-ion batteries. However, using polymer electrolytes in practical Ca batteries is not often reported, despite its potential to prevent leakage and preserve battery flexibility. Herein, a Ca(BH4)2-based gel-polymer electrolyte (GPE) is prepared from Ca(BH4)2 and poly(tetrahydrofuran) (pTHF) and tested its performance in Ca batteries. The electrolyte demonstrates excellent stability against Ca-metal anodes and high ionic conductivity. The results of infrared spectroscopy and 1H and 11B NMR indicate that the terminal ─OH groups of pTHF reacted with BH4 - anions to form B─H─(pTHF)3 moieties, achieving cross-linking and solidification. Cyclic voltammetry measurements indicate the occurrence of reversible Ca plating/stripping. To improve the performance at high current densities, the GPE is supplemented with LiBH4 to achieve a lower overpotential in the Ca plating/stripping process. An all-solid-state Ca-metal battery with a dual-cation (Ca2+ and Li+) GPE, a Ca-metal anode, and a Li4Ti5O12 cathode sustained >200 cycles, confirming their feasibility. The results pave the way for further developing lithium salt-free Ca batteries by developing electrolyte salts with high oxidation stability and optimal electrochemical properties.
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Affiliation(s)
- Takara Shinohara
- Institute for Materials Research (IMR), Tohoku University, Katahira 2-1-1, Aoba-ku, Sendai, 980-8577, Japan
- Ichikawa Research Centre, Sumitomo Metal Mining Co. Ltd., Nakakokubun 3-18-5, Ichikawa, Chiba, 272-8588, Japan
| | - Kazuaki Kisu
- Institute for Materials Research (IMR), Tohoku University, Katahira 2-1-1, Aoba-ku, Sendai, 980-8577, Japan
- College of Engineering, Shibaura Institute of Technology, 3-7-5 Toyosu, Koto-ku, Tokyo, 135-8548, Japan
| | - Arunkumar Dorai
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Katahira 2-1-1, Aoba-ku, Sendai, 980-8577, Japan
| | - Kenji Zushida
- Institute for Materials Research (IMR), Tohoku University, Katahira 2-1-1, Aoba-ku, Sendai, 980-8577, Japan
| | - Hiroshi Yabu
- Advanced Institute for Materials Research (AIMR), Tohoku University, Katahira 2-1-1, Aoba-ku, Sendai, 980-8577, Japan
| | - Shigeyuki Takagi
- Institute for Materials Research (IMR), Tohoku University, Katahira 2-1-1, Aoba-ku, Sendai, 980-8577, Japan
| | - Shin-Ichi Orimo
- Institute for Materials Research (IMR), Tohoku University, Katahira 2-1-1, Aoba-ku, Sendai, 980-8577, Japan
- Advanced Institute for Materials Research (AIMR), Tohoku University, Katahira 2-1-1, Aoba-ku, Sendai, 980-8577, Japan
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Wahab MA, Urooj I, Sohail M, Karim MR, Alnaser IA, Abdala A, Haque R. Advancing Catalysts by Nanoconfinement and Catalysis for Enhanced Hydrogen Production from Magnesium Borohydride: A Review. Chem Asian J 2024; 19:e202400174. [PMID: 38862390 DOI: 10.1002/asia.202400174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2024] [Revised: 05/31/2024] [Accepted: 06/11/2024] [Indexed: 06/13/2024]
Abstract
Hydrogen storage in solid-state materials represents a promising avenue for advancing hydrogen storage technologies, driven by their potential for high efficiency, reduced risk, and cost-effectiveness. Among the employed materials, magnesium borohydride (Mg(BH4)2) stands out for its exceptional characteristics, with a gravimetric capacity of 14.9 wt% and a volumetric hydrogen density capacity of 146 kg/m3. However, the practical application of Mg(BH4)2 is impeded by challenges such as high desorption temperatures (≥ 270 °C), sluggish kinetics, poor reversibility, and the formation of unexpected byproducts like diborane. To address these limitations, extensive research efforts have been directed towards enhancing the hydrogen storage properties of Mg(BH4)2. Various strategies have been explored, including incorporating catalysts or additives, nanoconfinement of Mg(BH4)2 within porous supports, and modifications involving metal alloys and compositional adjustments. These approaches are actively under investigation for improving the performance of Mg(BH4)2-based hydrogen storage systems. This review provides a comprehensive survey of recent advancements in Mg(BH4)2 research, focusing on experimental findings related to nanoconfined Mg(BH4)2 and modified thermodynamic processes aimed at enabling hydrogen release at lower temperatures by mitigating sluggish kinetics. Precisely, nanostructuring techniques, catalyst-mediated nanoconfinement methodologies, and alloy/compositional modifications will be elucidated, highlighting their potential to enhance hydrogen storage properties and overcome existing limitations. Furthermore, this review also discusses the challenges encountered in utilizing Mg(BH4)2 for hydrogen storage applications and offers insights into the prospects of this material. By synthesizing the latest research findings and identifying areas for further exploration, this review aims to contribute to the ongoing efforts toward realizing the full potential of Mg(BH4)2 as a viable solution for hydrogen storage in diverse applications.
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Affiliation(s)
- Md A Wahab
- Energy and Process Engineering Laboratory, School of Mechanical, Medical, and Process Engineering, Faculty of Science and Engineering, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD, 4000, Australia
- Chemical Engineering Program, Texas A&M University at Qatar, Education City, Doha, Qatar
| | - Ifra Urooj
- Department of Chemistry, School of Natural Sciences, National University of Sciences and Technology, Islamabad, 44000, Pakistan
| | - Manzar Sohail
- Department of Chemistry, School of Natural Sciences, National University of Sciences and Technology, Islamabad, 44000, Pakistan
| | - Mohammad Rezaul Karim
- Center of Excellence for Research in Engineering Materials (CEREM), Deanship of Scientific Research (DSR), King Saud University, Riyadh, 11421, Saudi Arabia
| | - Ibrahim A Alnaser
- Center of Excellence for Research in Engineering Materials (CEREM), Deanship of Scientific Research (DSR), King Saud University, Riyadh, 11421, Saudi Arabia
- Mechanical Engineering Department, College of Engineering, King Saud University, Riyadh, 11421, Saudi Arabia
| | - Ahmed Abdala
- Chemical Engineering Program, Texas A&M University at Qatar, Education City, Doha, Qatar
| | - Rezwanul Haque
- School of Science, Technology and Engineering, University of the Sunshine Coast, Queensland, Australia
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Srivastava AK. [NH 4+][B xH 3x+1-] ( x = 1-5): Role of Polynuclear Superhalogens in High-Capacity Hydrogen Storage. Inorg Chem 2024; 63:13425-13430. [PMID: 38988100 DOI: 10.1021/acs.inorgchem.4c01355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/12/2024]
Abstract
Superhalogen anions are characterized by a higher vertical detachment energy (VDE) than those of halides. Ammonium borohydride, [NH4+][BH4-], is a potential candidate for high-capacity hydrogen storage but is not practically used due to its instability against dissociation to ammonia borane. Interestingly, BH4- is a superhalogen anion, and therefore, we use polynuclear BxH3x+1- superhalogen anions and study [NH4+][BxH3x+1-] complexes for x = 2-5 using density functional theory. The gravimetric hydrogen density of these complexes is smaller than that of [NH4+][BH4-] only slightly. We calculate the dehydrogenation energy and the Gibbs free energy of [NH4+][BxH3x+1-] complexes through ammonia borane. We notice that these complexes are more stable than [NH4+][BH4-], whose stability increases with an increase in x. The enhanced stability of [NH4+][BxH3x+1-] complexes appears as a consequence of the increase in the VDE of polynuclear BxH3x+1- superhalogen anions. We believe that these findings might attract experimentalists to synthesize these complexes.
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Affiliation(s)
- Ambrish Kumar Srivastava
- Department of Physics, Deen Dayal Upadhyaya Gorakhpur University, Gorakhpur 273009, Uttar Pradesh, India
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6
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Raju Karimadom B, Kornweitz H. The Effectiveness of Silver and Gold in Catalytic Homogenous and Heterogenous Borohydride Hydrolysis - a DFT Study. Chemphyschem 2024; 25:e202400253. [PMID: 38642388 DOI: 10.1002/cphc.202400253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 04/09/2024] [Accepted: 04/18/2024] [Indexed: 04/22/2024]
Abstract
Energy demands, and environmental aspects raised the need to study hydrogen-carrying material such as borohydride for the practical usage of hydrogen as a cleaner and more efficient fuel. A proper understanding of the hydrogen generation mechanism is a key requirement for the designing of efficient catalysts, as the non-catalytic hydrolysis of borohydride in non-acidic media is a slow process. The hydrolysis mechanism of borohydride varies considerably using homogeneous and heterogeneous catalysts. A comparison of the hydrolysis mechanism of borohydride using gold and silver as homogenous and heterogeneous catalysts is given in this review. Unexpectedly, with gold catalyst, Au+ or Au(111), only two steps of hydrolysis occur and BH(OH)2 is produced, while with silver catalyst, Ag+ or Ag(111), the hydrolysis can proceed to completion.
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Affiliation(s)
- Basil Raju Karimadom
- Chemistry Department, Ben-Gurion University of the Negev, Beer-Sheva, Israel
- Chemical Science Department, Ariel University, Ariel, Israel
| | - Haya Kornweitz
- Chemical Science Department, Ariel University, Ariel, Israel
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7
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Ciatto G, Filippone F, Polimeni A, Pettinari G. Exceptional Hydrogen Uptake in Crystalline In xGa 1-xN Semiconductors. ACS APPLIED MATERIALS & INTERFACES 2024; 16:27268-27279. [PMID: 38758944 DOI: 10.1021/acsami.4c01371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2024]
Abstract
The irradiation of InN and InxGa1-xN samples with low-energy H ions results in exceptionally high hydrogen uptake in a crystalline semiconductor. This phenomenon is attributed to specific In-H complex formation. By exploiting spectral fingerprints of the In-H complexes observable in In L3-edge X-ray absorption spectroscopy, we provide direct evidence of complex formation. Density functional theory calculations assist in interpreting the X-ray absorption spectra and offer insights into the energetics of complex formation. We quantify the total amount of reversibly incorporated hydrogen in these semiconductors and discuss their strengths and weaknesses as innovative materials for hydrogen storage.
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Affiliation(s)
- Gianluca Ciatto
- Synchrotron SOLEIL, L'Orme des Merisiers, Saint-Aubin, BP48, 91192 Gif-sur-Yvette Cedex, France
| | - Francesco Filippone
- National Research Council, Istituto di Struttura della Materia (ISM-CNR). Via Salaria Km 29.5, 00016 Monterotondo Stazione, Italy
| | - Antonio Polimeni
- Physics Department, Sapienza University of Rome. P.le A. Moro 2, 00185 Roma, Italy
| | - Giorgio Pettinari
- National Research Council, Institute for Photonics and Nanotechnologies (IFN-CNR), Via del Fosso del Cavaliere 100, 00133 Roma, Italy
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8
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Xu Y, Zhou Y, Li Y, Hao Y, Wu P, Ding Z. Magnesium-Based Hydrogen Storage Alloys: Advances, Strategies, and Future Outlook for Clean Energy Applications. Molecules 2024; 29:2525. [PMID: 38893401 PMCID: PMC11173447 DOI: 10.3390/molecules29112525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2024] [Revised: 05/22/2024] [Accepted: 05/24/2024] [Indexed: 06/21/2024] Open
Abstract
Magnesium-based hydrogen storage alloys have attracted significant attention as promising materials for solid-state hydrogen storage due to their high hydrogen storage capacity, abundant reserves, low cost, and reversibility. However, the widespread application of these alloys is hindered by several challenges, including slow hydrogen absorption/desorption kinetics, high thermodynamic stability of magnesium hydride, and limited cycle life. This comprehensive review provides an in-depth overview of the recent advances in magnesium-based hydrogen storage alloys, covering their fundamental properties, synthesis methods, modification strategies, hydrogen storage performance, and potential applications. The review discusses the thermodynamic and kinetic properties of magnesium-based alloys, as well as the effects of alloying, nanostructuring, and surface modification on their hydrogen storage performance. The hydrogen absorption/desorption properties of different magnesium-based alloy systems are compared, and the influence of various modification strategies on these properties is examined. The review also explores the potential applications of magnesium-based hydrogen storage alloys, including mobile and stationary hydrogen storage, rechargeable batteries, and thermal energy storage. Finally, the current challenges and future research directions in this field are discussed, highlighting the need for fundamental understanding of hydrogen storage mechanisms, development of novel alloy compositions, optimization of modification strategies, integration of magnesium-based alloys into hydrogen storage systems, and collaboration between academia and industry.
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Affiliation(s)
- Yaohui Xu
- Laboratory for Functional Materials, School of New Energy Materials and Chemistry, Leshan Normal University, Leshan 614000, China
- Leshan West Silicon Materials Photovoltaic New Energy Industry Technology Research Institute, Leshan 614000, China
| | - Yang Zhou
- School of Textile Science and Engineering, State Key Laboratory of New Textile Materials and Advanced Processing Technology, Wuhan Textile University, Wuhan 430200, China
| | - Yuting Li
- College of Materials Science and Engineering, National Engineering Research Center for Magnesium Alloys, National Innovation Center for Industry-Education Integration of Energy Storage Technology, Chongqing University, Chongqing 400044, China
| | - Yechen Hao
- Department of Computer Science, Illinois Institute of Technology, Chicago, IL 60616, USA
| | - Pingkeng Wu
- Department of Chemical Engineering, Illinois Institute of Technology, Chicago, IL 60616, USA
| | - Zhao Ding
- College of Materials Science and Engineering, National Engineering Research Center for Magnesium Alloys, National Innovation Center for Industry-Education Integration of Energy Storage Technology, Chongqing University, Chongqing 400044, China
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Duhan N, Dhilip Kumar TJ. Lithium-grafted Si-doped γ-graphyne as a reversible hydrogen storage host material. Phys Chem Chem Phys 2024; 26:11140-11149. [PMID: 38530754 DOI: 10.1039/d3cp05294j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/28/2024]
Abstract
In recent years, hydrogen (H2) has become the most sought-after sustainable energy carrier by virtue of its high energy content and carbon-free emission. The practical implementation of hydrogen as an alternative fuel calls for an efficient and secure storage medium. Within this framework, we have investigated Li-grafted Si-doped γ-graphyne for H2 storage applications by implementing the cutting-edge density functional theory (DFT). A dynamically and thermally stable Si-doped γ-graphyne (SiG) monolayer is functionalized with Li metal atoms that augmented the hydrogen binding strength of the nanolayer by almost three times, owing to the polarization effect of the Li atoms. The Li metal atoms get adsorbed over the monolayer, allowing a binding energy of -2.73 eV that is greater than the Li cohesive energy (-1.63 eV), which eliminates the metal-metal clustering probability. The reliability of the Li-functionalized SiG monolayer (Li8SiG) at elevated temperature has been further substantiated by performing and analyzing ab initio molecular dynamics (AIMD) simulations at 400 K. It is noteworthy that a total of four H2 molecules are held up by each Li atom with an average adsorption energy of -0.32 eV and a maximum gravimetric capacity of 8.48 wt%, which remarkably follows the US-DOE parameters. Partial density of states and Hirshfeld charge analysis are utilized to recognize the interaction channel which reveals the Kubas and Niu-Rao-Jena-like bonding among the metal atoms and loaded hydrogen molecules. The hydrogen occupancy calculated at different temperatures and pressures indicates that hydrogen molecules can be reversibly stored over the Li8SiG system, and it is noted that adsorbed H2 begins to desorb at 280 K, with complete desorption at 400 K and 20 atm (or lower). AIMD simulations are further performed to authenticate the H2 desorption at various temperatures, which agrees well with the occupation number analysis. All the outcomes advocate for efficient reversible hydrogen storage over the proposed host material.
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Affiliation(s)
- Nidhi Duhan
- Quantum Dynamics Lab, Department of Chemistry, Indian Institute of Technology Ropar, Rupnagar 140001, India.
| | - T J Dhilip Kumar
- Quantum Dynamics Lab, Department of Chemistry, Indian Institute of Technology Ropar, Rupnagar 140001, India.
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10
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Parvaiz MM, Khalil A, Bilal Tahir M, Ayub S, Ali TE, Masood HT. A DFT investigation on structural, electronic, magnetic, optical, elastic and hydrogen storage properties of Ru-based hydride-perovskites XRuH 3 (X = Cr, V, Ni). RSC Adv 2024; 14:8385-8396. [PMID: 38469196 PMCID: PMC10927031 DOI: 10.1039/d4ra00204k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Accepted: 02/20/2024] [Indexed: 03/13/2024] Open
Abstract
The present investigation delves into various physical properties exhibited by CrRuH3, VRuH3 and NiRuH3. Notably adopting a stable cubic configuration, both compounds manifest a distinct metallic demeanor characterized by an absolute absence of band gap. In-depth analysis through Total Density of States (TDOS) and Partial Density of States (PDOS) justify this metallic conduct by distinctly showcasing peak conductivity at the Fermi level. The materials' magnetic behavior reveals an antiferromagnetic disposition for CrRuH3 and NiRuH3, while their intrinsic attributes emerge as anisotropic and rigid. Applying Poisson's ratio (ν) and the B/G ratio, all investigated compounds show ductility, but the CrRuH3 is superior among them. The heightened values of Young's modulus, Bulk modulus, and mean shear modulus observed in CrRuH3 underscore its enhanced rigidity as compared to VRuH3 and NiRuH3. Within the optical realm, CrRuH3 displays notable optical conductivity and absorption, particularly within the lower energy spectrum. Remarkably, at 0 eV, CrRuH3 showcases elevated reflectivity and refractive index as compared to the other investigated materials. On the hydrogen storage front, XRuH3 (X = Cr, V, Ni) exhibit promising potential, yet CrRuH3 emerges as the more favorable candidate for hydrogen storage applications.
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Affiliation(s)
- Muhammad Mubeen Parvaiz
- Department of Physics, Khwaja Fareed University of Engineering and Information Technology Rahim Yar Khan 64200 Pakistan +92-3349614454
| | - Adnan Khalil
- Department of Physics, Khwaja Fareed University of Engineering and Information Technology Rahim Yar Khan 64200 Pakistan +92-3349614454
| | - Muhammad Bilal Tahir
- Department of Physics, Khwaja Fareed University of Engineering and Information Technology Rahim Yar Khan 64200 Pakistan +92-3349614454
- Center for Innovative Material Research, Khawaja Fareed University of Engineering and Information Technology Rahim Yar Khan Rahim Yar Khan 64200 Pakistan
| | - Sania Ayub
- Department of Physics, Khwaja Fareed University of Engineering and Information Technology Rahim Yar Khan 64200 Pakistan +92-3349614454
| | - Tarik E Ali
- Department of Chemistry, Faculty of Science, King Khalid University P. O. Box 9004 Abha 61413 Saudi Arabia
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11
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Rampai MM, Mtshali CB, Seroka NS, Khotseng L. Hydrogen production, storage, and transportation: recent advances. RSC Adv 2024; 14:6699-6718. [PMID: 38405074 PMCID: PMC10884891 DOI: 10.1039/d3ra08305e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Accepted: 02/06/2024] [Indexed: 02/27/2024] Open
Abstract
One such technology is hydrogen-based which utilizes hydrogen to generate energy without emission of greenhouse gases. The advantage of such technology is the fact that the only by-product is water. Efficient storage is crucial for the practical application of hydrogen. There are several techniques to store hydrogen, each with certain advantages and disadvantages. In gaseous hydrogen storage, hydrogen gas is compressed and stored at high pressures, requiring robust and expensive pressure vessels. In liquid hydrogen storage, hydrogen is cooled to extremely low temperatures and stored as a liquid, which is energy-intensive. Researchers are exploring advanced materials for hydrogen storage, including metal hydrides, carbon-based materials, metal-organic frameworks (MOFs), and nanomaterials. These materials aim to enhance storage capacity, kinetics, and safety. The hydrogen economy envisions hydrogen as a clean energy carrier, utilized in various sectors like transportation, industry, and power generation. It can contribute to decarbonizing sectors that are challenging to electrify directly. Hydrogen can play a role in a circular economy by facilitating energy storage, supporting intermittent renewable sources, and enabling the production of synthetic fuels and chemicals. The circular economy concept promotes the recycling and reuse of materials, aligning with sustainable development goals. Hydrogen availability depends on the method of production. While it is abundant in nature, obtaining it in a clean and sustainable manner is crucial. The efficiency of hydrogen production and utilization varies among methods, with electrolysis being a cleaner but less efficient process compared to other conventional methods. Chemisorption and physisorption methods aim to enhance storage capacity and control the release of hydrogen. There are various viable options that are being explored to solve these challenges, with one option being the use of a multilayer film of advanced metals. This work provides an overview of hydrogen economy as a green and sustainable energy system for the foreseeable future, hydrogen production methods, hydrogen storage systems and mechanisms including their advantages and disadvantages, and the promising storage system for the future. In summary, hydrogen holds great promise as a clean energy carrier, and ongoing research and technological advancements are addressing challenges related to production, storage, and utilization, bringing us closer to a sustainable hydrogen economy.
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Affiliation(s)
- M M Rampai
- Tandetron Laboratory, iThemba LABS, National Research Foundation P.O. Box 722 Somerset West 7129 South Africa
- Department of Chemistry, University of the Western Cape Private Bag X17 Bellville 7535 South Africa
| | - C B Mtshali
- Tandetron Laboratory, iThemba LABS, National Research Foundation P.O. Box 722 Somerset West 7129 South Africa
| | - N S Seroka
- Department of Chemistry, University of the Western Cape Private Bag X17 Bellville 7535 South Africa
- Council for Science and Industrial Research Pretoria 0001 South Africa
| | - L Khotseng
- Department of Chemistry, University of the Western Cape Private Bag X17 Bellville 7535 South Africa
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12
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Vaidyanathan A, Mane P, Wagh V, Chakraborty B. Computational Design for Enhanced Hydrogen Storage on the Newly Synthesized 2D Polyaramid via Titanium and Zirconium Decoration. ACS APPLIED MATERIALS & INTERFACES 2024; 16:8589-8602. [PMID: 38319236 DOI: 10.1021/acsami.3c14088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2024]
Abstract
2D polyaramid (2DPA) is a porous and polymeric material that has been synthesized recently. Titanium and zirconium decoration over 2DPA increases their affinity for hydrogen substantially, making them suitable for onboard and reversible hydrogen storage, particularly in light-duty vehicles. By decorating a single unit cell of 2DPA with two transition metal (TM) atoms, hydrogen storage of up to 6.422 and 6.792 wt % of H2 with average binding energies of -0.399 and -0.480 eV is predicted for 2DPA + Ti and 2DPA + Zr, respectively. The binding of Ti and Zr with 2DPA is accompanied by a flow of charge (-1.474e for Ti and -1.696e for Zr) from the TM toward the 2DPA sheet. Further, the interaction between H2 and the TM may proceed via Kubas interaction between the d orbital of the TM in 2DPA + TM and H 1s orbitals of H2, with a net flow of charge from the TM toward H2 (-0.218e for Ti and -0.391e for Zr). The desorption of H2 bound to 2DPA + Zr is endothermic (∼0.57 eV) and close in magnitude to the binding energy of the first H2 (∼-0.544 eV). The 2DPA + TM systems show structural and dynamic stability at high temperatures, as evident from ab initio molecular dynamics simulations and phonon spectra. The movement of TM atoms across the 2DPA sheet to form clusters may be hindered by the considerable barrier energy (∼4.9 eV for Ti). Through these systematic density functional theory simulations, we predict that Ti- and Zr-decorated 2DPA are high-performance hydrogen storage materials and can be explored by experimentalists.
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Affiliation(s)
- Antara Vaidyanathan
- Department of Chemistry, Ramnarain Ruia Autonomous College, Mumbai 400019, Maharashtra, India
- Department of Physics, Karpagam Academy of Higher Education, Coimbatore 641021, Tamil Nadu, India
- Centre for Computational Physics, Karpagam Academy of Higher Education, Coimbatore 641021, Tamil Nadu, India
| | - Pratap Mane
- Seismology Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400085, Maharashtra, India
| | - Vaibhav Wagh
- Department of Chemistry, Ramnarain Ruia Autonomous College, Mumbai 400019, Maharashtra, India
| | - Brahmananda Chakraborty
- High Pressure and Synchrotron Radiation Physics Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400085, Maharashtra, India
- Homi Bhabha National Institute, Mumbai 400085, Maharashtra, India
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Pantaleone S, Albanese E, Donà L, Corno M, Baricco M, Civalleri B. Theoretical prediction of nanosizing effects and role of additives in the decomposition of Mg(BH 4) 2. RSC Adv 2024; 14:6398-6409. [PMID: 38380234 PMCID: PMC10877581 DOI: 10.1039/d3ra08710g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 02/13/2024] [Indexed: 02/22/2024] Open
Abstract
The energetic transition towards renewable resources is one of the biggest challenges of this century. In this context, the role of H2 is of paramount importance as a key source of energy that could substitute traditional fossil fuels. This technology, even if available in several manufactures, still needs to be optimized at all levels (production, storage and distribution) to be integrated on a larger scale. Among materials suitable to store H2, Mg(BH4)2 is particularly interesting due to its high content of H2 in terms of gravimetric density. Nanosizing effects and role of additives in the decomposition of Mg(BH4)2 were studied by density functional theory (DFT) modelling. Both effects were analyzed because of their contribution in promoting the decomposition of the material. In particular, to have a quantitative idea of nanosizing effects, we used thin film 2D models corresponding to different crystallographic surfaces and referred to the following reaction: Mg(BH4)2 → MgB2 + 4H2. When moving from bulk to nanoscale (2D models), a remarkable decrease in the decomposition energy (10-20 kJ mol-1) was predicted depending on the surface and the thin film thickness considered. As regards the role of additives (Ni and Cu), we based our analysis on their effect in perturbing neighboring borohydride groups. We found a clear elongation of some B-H bonds, in particular with the NiF2 additive (about 0.1 Å). We interpreted this behavior as an indicator of the propensity of borohydride towards dissociation. On the basis of this evidence, we also explored a possible reaction pathway of NiF2 and CuF2 on Mg(BH4)2 up to H2 release and pointed out the major catalytic effect of Ni compared to Cu.
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Affiliation(s)
- Stefano Pantaleone
- Dipartimento di Chimica and NIS Interdepartmental Centre, Università degli Studi di Torino via P. Giuria 7 10125 Torino Italy
| | - Elisa Albanese
- Dipartimento di Chimica and NIS Interdepartmental Centre, Università degli Studi di Torino via P. Giuria 7 10125 Torino Italy
| | - Lorenzo Donà
- Dipartimento di Chimica and NIS Interdepartmental Centre, Università degli Studi di Torino via P. Giuria 7 10125 Torino Italy
| | - Marta Corno
- Dipartimento di Chimica and NIS Interdepartmental Centre, Università degli Studi di Torino via P. Giuria 7 10125 Torino Italy
| | - Marcello Baricco
- Dipartimento di Chimica and NIS Interdepartmental Centre, Università degli Studi di Torino via P. Giuria 7 10125 Torino Italy
| | - Bartolomeo Civalleri
- Dipartimento di Chimica and NIS Interdepartmental Centre, Università degli Studi di Torino via P. Giuria 7 10125 Torino Italy
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14
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Luo M, Wang Q, Zhao G, Jiang W, Zeng C, Zhang Q, Yang R, Dong W, Zhao Y, Zhang G, Jiang J, Wang Y, Zhu Q. Solid-state atomic hydrogen as a broad-spectrum RONS scavenger for accelerated diabetic wound healing. Natl Sci Rev 2024; 11:nwad269. [PMID: 38213516 PMCID: PMC10776359 DOI: 10.1093/nsr/nwad269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 09/26/2023] [Accepted: 10/10/2023] [Indexed: 01/13/2024] Open
Abstract
Hydrogen therapy shows great promise as a versatile treatment method for diseases associated with the overexpression of reactive oxygen and nitrogen species (RONS). However, developing an advanced hydrogen therapy platform that integrates controllable hydrogen release, efficient RONS elimination, and biodegradability remains a giant technical challenge. In this study, we demonstrate for the first time that the tungsten bronze phase H0.53WO3 (HWO) is an exceptionally ideal hydrogen carrier, with salient features including temperature-dependent highly-reductive atomic hydrogen release and broad-spectrum RONS scavenging capability distinct from that of molecular hydrogen. Moreover, its unique pH-responsive biodegradability ensures post-therapeutic clearance at pathological sites. Treatment with HWO of diabetic wounds in an animal model indicates that the solid-state atomic H promotes vascular formation by activating M2-type macrophage polarization and anti-inflammatory cytokine production, resulting in acceleration of chronic wound healing. Our findings significantly expand the basic categories of hydrogen therapeutic materials and pave the way for investigating more physical forms of hydrogen species as efficient RONS scavengers for clinical disease treatment.
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Affiliation(s)
- Man Luo
- Key Laboratory of Precision and Intelligent Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei230026, China
| | - Qin Wang
- Department of Radiology, The First Affiliated Hospital of University of Science and Technology of China, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei230026, China
| | - Gang Zhao
- Key Laboratory of Precision and Intelligent Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei230026, China
| | - Wei Jiang
- Department of Radiology, The First Affiliated Hospital of University of Science and Technology of China, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei230026, China
| | - Cici Zeng
- Department of Radiology, The First Affiliated Hospital of University of Science and Technology of China, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei230026, China
| | - Qingao Zhang
- Department of Radiology, The First Affiliated Hospital of University of Science and Technology of China, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei230026, China
| | - Ruyu Yang
- Key Laboratory of Precision and Intelligent Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei230026, China
| | - Wang Dong
- Department of Radiology, The First Affiliated Hospital of University of Science and Technology of China, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei230026, China
| | - Yunxi Zhao
- Shenzhen Senior High School, Shenzhen518040, China
| | - Guozhen Zhang
- Key Laboratory of Precision and Intelligent Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei230026, China
| | - Jun Jiang
- Key Laboratory of Precision and Intelligent Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei230026, China
| | - Yucai Wang
- Department of Radiology, The First Affiliated Hospital of University of Science and Technology of China, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei230026, China
| | - Qing Zhu
- Key Laboratory of Precision and Intelligent Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei230026, China
- Institute of Intelligent Innovation, Henan Academy of Sciences, Zhengzhou451162, China
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Zibrowius B, Fischer M. On the Use of Solomon Echoes in 27 Al NMR Studies of Complex Aluminium Hydrides. ChemistryOpen 2024; 13:e202300011. [PMID: 37316892 PMCID: PMC10784626 DOI: 10.1002/open.202300011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 05/12/2023] [Indexed: 06/16/2023] Open
Abstract
The quadrupole coupling constant CQ and the asymmetry parameter η have been determined for two complex aluminium hydrides from 27 Al NMR spectra recorded for stationary samples by using the Solomon echo sequence. The thus obtained data for KAlH4 (CQ =(1.30±0.02) MHz, η=(0.64±0.02)) and NaAlH4 (CQ =(3.11±0.02) MHz, η<0.01) agree very well with data previously determined from MAS NMR spectra. The accuracy with which these parameters can be determined from static spectra turned out to be at least as good as via the MAS approach. The experimentally determined parameters (δiso , CQ and η) are compared with those obtained from DFT-GIPAW (density functional theory - gauge-including projected augmented wave) calculations. Except for the quadrupole coupling constant for KAlH4 , which is overestimated in the GIPAW calculations by about 30 %, the agreement is excellent. Advantages of the application of the Solomon echo sequence for the measurement of less stable materials or for in situ studies are discussed.
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Affiliation(s)
| | - Michael Fischer
- Crystallography & Geomaterials Research, Faculty of GeosciencesUniversity of BremenKlagenfurter Straße 2–428359BremenGermany
- Bremen Center for Computational Materials ScienceUniversity of Bremen28359BremenGermany
- MAPEX Center for Materials and ProcessesUniversity of Bremen28359BremenGermany
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16
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Wang H, Bolarin JA, Zhang B, Liu W. Evaluation of a new lithium complex hydride: a derivative of BH 4- and NH 2- for fast Li-ion conduction and H 2 sorption. Dalton Trans 2023; 52:18061-18068. [PMID: 37991056 DOI: 10.1039/d3dt02897f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2023]
Abstract
A new ternary complex hydride is synthesized by the interaction between Li2NH and LiBH4. The crystal structure of this new hydride is tentatively indexed using an orthorhombic cell with a space group of Pna21 and lattice parameters of a = 9.643 Å, b = 6.228 Å, and c = 5.563 Å. The Li2NH-2LiBH4 sample shows excellent hydrogenation properties with hydrogen absorption starting at near-ambient temperature (50 °C), which is more than 100 °C lower than that of pristine Li2NH. Furthermore, it attains 100% hydrogenation under isothermal conditions at 60 °C and 50 bar hydrogen pressure. Such superior low-temperature hydrogen absorption may be due to the formation of this new complex hydride. Interestingly, above 97 °C, the lithium-ion conductivity of this new hydride is higher than those of Li2NH and LiBH4 and reaches 10-2 S cm-1 at 114 °C. Meanwhile, the ionic conductivity of this new hydride is ∼30 times higher than that of LiBH4 reaching 10-5 S cm-1 at room temperature. The interaction between imides and borohydrides described in this work expands the options for strategic design of novel hydrogen storage materials and solid ionic conductors.
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Affiliation(s)
- Han Wang
- School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou 450001, P. R. China.
| | - Joshua Adedeji Bolarin
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P. R. China
| | - Binpeng Zhang
- School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou 450001, P. R. China.
| | - Wenju Liu
- School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou 450001, P. R. China.
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17
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Bustillos CG, King G, Yang Q, Baumer T, Sio CKI, Bora M, Root JR, Kuntz JD, Du Frane WL. Densification and microstructure features of lithium hydride fabrication. ANN NUCL ENERGY 2023. [DOI: 10.1016/j.anucene.2023.109709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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18
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Sato R, Akagi K, Takagi S, Sau K, Kisu K, Li H, Orimo SI. Topological Data analysis of Ion Migration Mechanism. J Chem Phys 2023; 158:144116. [PMID: 37061477 DOI: 10.1063/5.0143387] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/17/2023] Open
Abstract
Topological data analysis based on persistent homology has been applied to the molecular dynamics simulation for the fast ion-conducting phase (α-phase) of AgI to show its effectiveness on the ion migration mechanism analysis. Time-averaged persistence diagrams of α-AgI, which quantitatively record the shape and size of the ring structures in the given atomic configurations, clearly showed the emergence of the four-membered rings formed by two Ag and two I ions at high temperatures. They were identified as common structures during the Ag ion migration. The averaged potential energy change due to the deformation of the four-membered ring during Ag migration agrees well with the activation energy calculated from the conductivity Arrhenius plot. The concerted motion of two Ag ions via the four-membered ring was also successfully extracted from molecular dynamics simulations by our approach, providing new insight into the specific mechanism of the concerted motion.
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Affiliation(s)
- Ryuhei Sato
- Advanced Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
| | - Kazuto Akagi
- Advanced Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
| | - Shigeyuki Takagi
- Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
| | - Kartik Sau
- Advanced Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
| | - Kazuaki Kisu
- Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
| | - Hao Li
- Advanced Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
| | - Shin-Ichi Orimo
- Advanced Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
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19
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Nivedhitha KS, Venkatesh R, Banapurmath NR, Khan TMY, Vadlamudi C, Krishnappa S, Alshehery S. Mechanical alloying of Mg 0.8-XTi 0.2 and study the effect of adding ( x = 0.2 wt%) transition metal like Sc, Zr, or Nb on their phase transitions, activation energy, and hydrogen storage properties. RSC Adv 2023; 13:11415-11423. [PMID: 37063729 PMCID: PMC10090907 DOI: 10.1039/d2ra07277g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 03/23/2023] [Indexed: 04/18/2023] Open
Abstract
Till now Mg-based alloys have attracted much attention due to the high storage capacity of hydrogen. An effort was made to evaluate the apparent activation energy and electrochemical behavior of transition metals such as scandium (Sc), zirconium (Zr), and niobium (Nb) alloyed with Mg-Ti. Mg0.8Ti0.2, Mg0.6Ti0.2Sc0.2, Mg0.6Ti0.2Zr0.2, and Mg0.6Ti0.2Nb0.2 alloy powders were synthesized using high-energy ball milling. Ballmilled powders were subjected to structural and morphological characterization using X-ray diffraction and scanning electron microscopy respectively. A strong shift in the inter-planar spacing value of milled powders confirmed supersaturated solid solution of Ti and transition metals in Mg. The inter-planar spacing values before and after milling are found to be 0.24 and 0.21 nm, respectively. Mg0.8Ti0.2, Mg0.6Ti0.2Sc0.2, and Mg0.6Ti0.2Zr0.2 alloy powders result in the FCC phase while Mg0.6Ti0.2Nb0.2 powders result in BCC phase, however, the entire powders have an amorphous background. SEM-EDS analysis of the milled powders confirmed the presence of Mg, Ti, Sc, Zr, and Nb elements with a small amount of oxygen. Selected area electron diffraction (SAED) pattern of Mg0.8Ti0.2 alloy powders exhibits a nanocrystalline nature owing to their polycrystalline ring pattern. Exothermic peak broadening increases after the substitution of Nb and Zr in Mg0.8Ti0.2 alloy powder, which exhibits a lower activation energy (188 kJ mol-1) than others. In cyclic voltammetry, a drenched cathodic peak is observed for Mg0.8Ti0.2 at a potential around -0.83 V. In electrochemical impedance spectroscopy, the charge transfer resistance of Mg0.6Ti0.2Sc0.2 is lower than that of Mg0.6Ti0.2Zr0.2 and Mg0.6Ti0.2Nb0.2 alloy but higher than Mg0.8Ti0.2 electrode materials, and charge-discharge studies were done on the developed electrode materials. It shows that Mg0.8Ti0.2 electrode material delivers a maximum discharge capacity of 535 mA h g-1.
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Affiliation(s)
- K S Nivedhitha
- Centre of Excellence in Material Science, KLE Technological University Hubballi 580031 India
| | - R Venkatesh
- Centre of Excellence in Material Science, KLE Technological University Hubballi 580031 India
| | - N R Banapurmath
- School of Mechanical Engineering, Centre of Excellence in Material Science, KLE Technological University Hubballi 580031 India
| | - T M Yunus Khan
- Department of Mechanical Engineering, College of Engineer King Khalid University Abha 616421 Saudi Arabia
| | | | | | - Sultan Alshehery
- Department of Mechanical Engineering, College of Engineer King Khalid University Abha 616421 Saudi Arabia
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20
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Yusnizam NY, Ali NA, Sazelee N, Ismail M. Boosting the Dehydrogenation Properties of LiAlH 4 by Addition of TiSiO 4. MATERIALS (BASEL, SWITZERLAND) 2023; 16:2178. [PMID: 36984058 PMCID: PMC10051315 DOI: 10.3390/ma16062178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 02/21/2023] [Accepted: 02/23/2023] [Indexed: 06/18/2023]
Abstract
Given its significant gravimetric hydrogen capacity advantage, lithium alanate (LiAlH4) is regarded as a suitable material for solid-state hydrogen storage. Nevertheless, its outrageous decomposition temperature and slow sorption kinetics hinder its application as a solid-state hydrogen storage material. This research's objective is to investigate how the addition of titanium silicate (TiSiO4) altered the dehydrogenation behavior of LiAlH4. The LiAlH4-10 wt% TiSiO4 composite dehydrogenation temperatures were lowered to 92 °C (first-step reaction) and 128 °C (second-step reaction). According to dehydrogenation kinetic analysis, the TiSiO4-added LiAlH4 composite was able to liberate more hydrogen (about 6.0 wt%) than the undoped LiAlH4 composite (less than 1.0 wt%) at 90 °C for 2 h. After the addition of TiSiO4, the activation energies for hydrogen to liberate from LiAlH4 were lowered. Based on the Kissinger equation, the activation energies for hydrogen liberation for the two-step dehydrogenation of post-milled LiAlH4 were 103 and 115 kJ/mol, respectively. After milling LiAlH4 with 10 wt% TiSiO4, the activation energies were reduced to 68 and 77 kJ/mol, respectively. Additionally, the scanning electron microscopy images demonstrated that the LiAlH4 particles shrank and barely aggregated when 10 wt% of TiSiO4 was added. According to the X-ray diffraction results, TiSiO4 had a significant effect by lowering the decomposition temperature and increasing the rate of dehydrogenation of LiAlH4 via the new active species of AlTi and Si-containing that formed during the heating process.
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21
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Hydrogen Absorption Reactions of Hydrogen Storage Alloy LaNi 5 under High Pressure. Molecules 2023; 28:molecules28031256. [PMID: 36770922 PMCID: PMC9919125 DOI: 10.3390/molecules28031256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 01/25/2023] [Accepted: 01/26/2023] [Indexed: 01/31/2023] Open
Abstract
Hydrogen can be stored in the interstitial sites of the lattices of intermetallic compounds. To date, intermetallic compound LaNi5 or related LaNi5-based alloys are known to be practical hydrogen storage materials owing to their higher volumetric hydrogen densities, making them a compact hydrogen storage method and allowing stable reversible hydrogen absorption and desorption reactions to take place at room temperature below 1.0 MPa. By contrast, gravimetric hydrogen density is required for key improvements (e.g., gravimetric hydrogen density of LaNi5: 1.38 mass%). Although hydrogen storage materials have typically been evaluated for their hydrogen storage properties below 10 MPa, reactions between hydrogen and materials can be facilitated above 1 GPa because the chemical potential of hydrogen dramatically increases at a higher pressure. This indicates that high-pressure experiments above 1 GPa could clarify the latent hydrogen absorption reactions below 10 MPa and potentially explore new hydride phases. In this study, we investigated the hydrogen absorption reaction of LaNi5 above 1 GPa at room temperature to understand their potential hydrogen storage capacities. The high-pressure experiments on LaNi5 with and without an internal hydrogen source (BH3NH3) were performed using a multi-anvil-type high-pressure apparatus, and the reactions were observed using in situ synchrotron radiation X-ray diffraction with an energy dispersive method. The results showed that 2.07 mass% hydrogen was absorbed by LaNi5 at 6 GPa. Considering the unit cell volume expansion, the estimated hydrogen storage capacity could be 1.5 times higher than that obtained from hydrogen absorption reaction below 1.0 MPa at 303 K. Thus, 33% of the available interstitial sites in LaNi5 remained unoccupied by hydrogen atoms under conventional conditions. Although the hydrogen-absorbed LaNi5Hx (x < 9) was maintained below 573 K at 10 GPa, LaNi5Hx began decomposing into NiH, and the formation of a new phase was observed at 873 K and 10 GPa. The new phase was indexed to a hexagonal or trigonal unit cell with a ≈ 4.44 Å and c ≈ 8.44 Å. Further, the newly-formed phase was speculated to be a new hydride phase because the Bragg peak positions and unit cell parameters were inconsistent with those reported for the La-Ni intermetallic compounds and La-Ni hydride phases.
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22
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Pahar S, Kundu G, George CP, Gonnade RG, Sen SS. Substitution at a Coordinatively Saturated Aluminum Center Stabilized by Imidazolidin-2-imine. Organometallics 2023. [DOI: 10.1021/acs.organomet.2c00630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Sanjukta Pahar
- Inorganic Chemistry and Catalysis Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pashan, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Gargi Kundu
- Inorganic Chemistry and Catalysis Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pashan, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Christy P. George
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
- Physical and Material Chemistry Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pashan, Pune 411008, India
| | - Rajesh G. Gonnade
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
- Physical and Material Chemistry Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pashan, Pune 411008, India
| | - Sakya S. Sen
- Inorganic Chemistry and Catalysis Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pashan, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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23
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Metal doped tetrahedral silsesquioxane cages for hydrogen storage. Polyhedron 2023. [DOI: 10.1016/j.poly.2022.116235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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24
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Allendorf MD, Stavila V, Snider JL, Witman M, Bowden ME, Brooks K, Tran BL, Autrey T. Challenges to developing materials for the transport and storage of hydrogen. Nat Chem 2022; 14:1214-1223. [DOI: 10.1038/s41557-022-01056-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Accepted: 09/02/2022] [Indexed: 11/09/2022]
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25
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Zyubin AS, Zyubina TS, Kravchenko OV, Solov’ev MV, Vasiliev VP, Zaitsev AA, Shikhovtsev AV, Dobrovol’sky YA. Quantum-Chemical Simulation of Molecular Hydrogen Abstraction from Magnesium Borohydride Triammoniate. RUSS J INORG CHEM+ 2022. [DOI: 10.1134/s0036023622100576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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26
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Guan K, Zhu Q, Huang Z, Huang Z, Zhang H, Wang J, Jia Q, Zhang S. Excellent Catalytic Performance of ISOBAM Stabilized Co/Fe Colloidal Catalysts toward KBH 4 Hydrolysis. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:2998. [PMID: 36080038 PMCID: PMC9458076 DOI: 10.3390/nano12172998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 08/26/2022] [Accepted: 08/26/2022] [Indexed: 06/15/2023]
Abstract
Recently, developing a cost-effective and high-performance catalyst is regarded as an urgent priority for hydrogen generation technology. In this work, ISOBAM-104 stabilized Co/Fe colloidal catalysts were prepared via a co-reduction method and used for the hydrogen generation from KBH4 hydrolysis. The obtained ISOBAM-104 stabilized Co10Fe90 colloidal catalysts exhibit an outstanding catalytic activity of 37,900 mL-H2 min-1 g-Co-1, which is far higher than that of Fe or Co monometallic nanoparticles (MNPs). The apparent activation energy (Ea) of the as-prepared Co10Fe90 colloidal catalysts is only 14.6 ± 0.7 kJ mol-1, which is much lower than that of previous reported noble metal-based catalysts. The X-ray photoelectron spectroscopy results and density functional theory calculations demonstrate that the electron transfer between Fe and Co atoms is beneficial for the catalytic hydrolysis of KBH4.
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Affiliation(s)
- Keke Guan
- The State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan 430081, China
| | - Qing Zhu
- The State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan 430081, China
| | - Zhong Huang
- The State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan 430081, China
| | - Zhenxia Huang
- The State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan 430081, China
- School of Materials Science and Engineering, Henan Polytechnic University, Jiaozuo 454003, China
| | - Haijun Zhang
- The State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan 430081, China
| | - Junkai Wang
- The State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan 430081, China
- School of Materials Science and Engineering, Henan Polytechnic University, Jiaozuo 454003, China
| | - Quanli Jia
- Henan Key Laboratory of High Temperature Functional Ceramics, Zhengzhou University, Zhengzhou 450052, China
| | - Shaowei Zhang
- College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter EX4 4QF, UK
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27
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Liu J, Ma Y, Yang J, Sun L, Guo D, Xiao P. Recent advance of metal borohydrides for hydrogen storage. Front Chem 2022; 10:945208. [PMID: 36059882 PMCID: PMC9428915 DOI: 10.3389/fchem.2022.945208] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 07/20/2022] [Indexed: 12/03/2022] Open
Abstract
Hydrogen energy is an excellent carrier for connecting various renewable energy sources and has many advantages. However, hydrogen is flammable and explosive, and its density is low and easy to escape, which brings inconvenience to the storage and transportation of hydrogen. Therefore, hydrogen storage technology has become one of the key steps in the application of hydrogen energy. Solid-state hydrogen storage method has a very high volumetric hydrogen density compared to the traditional compressed hydrogen method. The main issue of solid-state hydrogen storage method is the development of advanced hydrogen storage materials. Metal borohydrides have very high hydrogen density and have received much attention over the past two decades. However, high hydrogen sorption temperature, slow kinetics, and poor reversibility still severely restrict its practical applications. This paper mainly discusses the research progress and problems to be solved of metal borohydride hydrogen storage materials for solid-state hydrogen storage.
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Affiliation(s)
- Jianjun Liu
- State Grid Jiangsu Electric Power Co, Ltd. Research Institute, Nanjing, Jiangsu, China
| | - Yong Ma
- State Grid Jiangsu Electric Power Co, Ltd. Research Institute, Nanjing, Jiangsu, China
| | - Jinggang Yang
- State Grid Jiangsu Electric Power Co, Ltd. Research Institute, Nanjing, Jiangsu, China
| | - Lei Sun
- State Grid Jiangsu Electric Power Co, Ltd. Research Institute, Nanjing, Jiangsu, China
| | - Dongliang Guo
- State Grid Jiangsu Electric Power Co, Ltd. Research Institute, Nanjing, Jiangsu, China
| | - Peng Xiao
- State Grid Jiangsu Electric Power Co, Ltd. Research Institute, Nanjing, Jiangsu, China
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28
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Yu Y, Zhang W, Cao H, He T, Chen P. Ion migration in hydride materials. TRENDS IN CHEMISTRY 2022. [DOI: 10.1016/j.trechm.2022.07.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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29
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Xie H, Liang T, Cui T, Feng X, Song H, Li D, Tian F, Redfern SAT, Pickard CJ, Duan D. Structural diversity and hydrogen storage properties in the system K-Si-H. Phys Chem Chem Phys 2022; 24:13033-13039. [PMID: 35583230 DOI: 10.1039/d2cp00298a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
KSiH3 exhibits 4.1 wt% experimental hydrogen storage capacity and shows reversibility under moderate conditions, which provides fresh impetus to the search for other complex hydrides in the K-Si-H system. Here, we reproduce the stable Fm3̄m phase of K2SiH6 and uncover two denser phases, space groups P3̄m1 and P63mc at ambient pressure, by means of first-principles structure searches. We note that P3̄m1-K2SiH6 has a high hydrogen content of 5.4 wt% and a volumetric density of 88.3 g L-1. Further calculations suggest a favorable dehydrogenation temperature Tdes of -20.1/55.8 °C with decomposition into KSi + K + H2. The higher hydrogen density and appropriate dehydrogenation temperature indicate that K2SiH6 is a promising hydrogen storage material, and our results provide helpful and clear guidance for further experimental studies. We found three further potential hydrogen storage materials stable at high pressure: K2SiH8, KSiH7 and KSiH8. These results suggest the need for further investigations into hydrogen storage materials among such ternary hydrides at high pressure.
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Affiliation(s)
- Hui Xie
- State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun 130012, P. R. China. .,Department of Physics and Electronic Engineering, Hebei Normal University for Nationalities, Chengde, 067000, China
| | - Tianxiao Liang
- State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun 130012, P. R. China.
| | - Tian Cui
- State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun 130012, P. R. China. .,Institute of High Pressure Physics, School of Physical Science and Technology, Ningbo University, Ningbo, 315211, P. R. China.
| | - Xiaolei Feng
- Institute for Disaster Management and Reconstruction, Sichuan University - the Hong Kong Polytechnic University, Chengdu, 610207, China
| | - Hao Song
- State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun 130012, P. R. China.
| | - Da Li
- State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun 130012, P. R. China.
| | - Fubo Tian
- State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun 130012, P. R. China.
| | - Simon A T Redfern
- Asian School of the Environment and School of Materials Science and Engineering, 50 Nanyang Avenue, Nanyang Technological University, 639798, Singapore
| | - Chris J Pickard
- Department of Materials Science & Metallurgy, University of Cambridge, 27 Charles Babbage Road, Cambridge CB3 0FS, UK.,Advanced Institute for Materials Research, Tohoku University 2-1-1 Katahira, Aoba, Sendai, 980-8577, Japan
| | - Defang Duan
- State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun 130012, P. R. China.
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Lee J, Sung D, Chung YK, Song SB, Huh J. Unveiling two-dimensional magnesium hydride as a hydrogen storage material via a generative adversarial network. NANOSCALE ADVANCES 2022; 4:2332-2338. [PMID: 36133700 PMCID: PMC9418009 DOI: 10.1039/d1na00862e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 04/08/2022] [Indexed: 06/16/2023]
Abstract
This study used an artificial intelligence (AI)-based crystal inverse-design approach to investigate the new phase of two-dimensional (2D) pristine magnesium hydride (Mg x H y ) sheets and verify their availability as a hydrogen storage medium. A 2D binary phase diagram for the generated crystal images was constructed, which was used to identify significant 2D crystal structures. Then, the electronic and dynamic properties of the Mg x H y sheets in low-energy periodic phases were identified via density functional theory (DFT) calculations; this revealed a previously unknown phase of 2D MgH2 with a P4̄m2 space group. In the proposed structure, the adsorption behaviors of the Li-decorated system were investigated for multiple hydrogen molecules. It was confirmed that Li-decorated MgH2 has an expected theoretical gravimetric density of 6 wt%, with an average H2 adsorption energy of -0.105 eV. Therefore, it is anticipated that P4̄m2 MgH2 sheets can be employed effectively as a medium for hydrogen storage. Additionally, this finding indicates that a deep learning-based approach is beneficial for exploring unrevealed 2D materials.
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Affiliation(s)
- Junho Lee
- Department of Chemistry, Sungkyunkwan University Suwon 16419 Korea
- SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University Suwon 16419 Korea
| | - Dongchul Sung
- Department of Physics, Graphene Research Institute, GRI-TPC International Research Center, Sejong University Seoul 05006 Korea
| | - You Kyoung Chung
- Department of Chemistry, Sungkyunkwan University Suwon 16419 Korea
| | - Seon Bin Song
- Department of Chemistry, Sungkyunkwan University Suwon 16419 Korea
| | - Joonsuk Huh
- Department of Chemistry, Sungkyunkwan University Suwon 16419 Korea
- SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University Suwon 16419 Korea
- Institute of Quantum Biophysics, Sungkyunkwan University Suwon 16419 Korea
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31
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Comanescu C. Complex Metal Borohydrides: From Laboratory Oddities to Prime Candidates in Energy Storage Applications. MATERIALS (BASEL, SWITZERLAND) 2022; 15:2286. [PMID: 35329738 PMCID: PMC8949998 DOI: 10.3390/ma15062286] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 02/26/2022] [Accepted: 03/11/2022] [Indexed: 01/27/2023]
Abstract
Despite being the lightest element in the periodic table, hydrogen poses many risks regarding its production, storage, and transport, but it is also the one element promising pollution-free energy for the planet, energy reliability, and sustainability. Development of such novel materials conveying a hydrogen source face stringent scrutiny from both a scientific and a safety point of view: they are required to have a high hydrogen wt.% storage capacity, must store hydrogen in a safe manner (i.e., by chemically binding it), and should exhibit controlled, and preferably rapid, absorption-desorption kinetics. Even the most advanced composites today face the difficult task of overcoming the harsh re-hydrogenation conditions (elevated temperature, high hydrogen pressure). Traditionally, the most utilized materials have been RMH (reactive metal hydrides) and complex metal borohydrides M(BH4)x (M: main group or transition metal; x: valence of M), often along with metal amides or various additives serving as catalysts (Pd2+, Ti4+ etc.). Through destabilization (kinetic or thermodynamic), M(BH4)x can effectively lower their dehydrogenation enthalpy, providing for a faster reaction occurring at a lower temperature onset. The present review summarizes the recent scientific results on various metal borohydrides, aiming to present the current state-of-the-art on such hydrogen storage materials, while trying to analyze the pros and cons of each material regarding its thermodynamic and kinetic behavior in hydrogenation studies.
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Affiliation(s)
- Cezar Comanescu
- National Institute of Materials Physics, 405A Atomiștilor St., 077125 Magurele, Romania
- Inorganic Chemistry Department, Politehnica University of Bucharest, 1 Polizu St., 011061 Bucharest, Romania
- Faculty of Physics, University of Bucharest, 405, Atomiștilor St., 077125 Magurele, Romania
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32
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Ament K, Kobayashi H, Kusada K, Breu J, Kitagawa H. Enhancing Hydrogen Storage Capacity of Pd Nanoparticles by Sandwiching between Inorganic Nanosheets. Z Anorg Allg Chem 2022. [DOI: 10.1002/zaac.202100370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Kevin Ament
- University of Bayreuth: Universitat Bayreuth Inorganic Chemistry Universitätsstraße 30 95440 Bayreuth GERMANY
| | - Hirokazu Kobayashi
- Kyoto University Department of Chemistry Kitashirakawa-Oiwakecho, Sakyo-ku 606-8502 Kyoto JAPAN
| | - Kohei Kusada
- Kyoto University Department of Chemistry Kitashirakawa-Oiwakecho, Sakyo-ku 606-8502 Kyoto JAPAN
| | - Josef Breu
- Universität Bayreuth Lehrstuhl für Anorganische Chemie I Universitatsstraße 30 95440 Bayreuth GERMANY
| | - Hiroshi Kitagawa
- Kyoto University Department of Chemistry Kitashirakawa-Oiwakecho, Sakyo-ku 606-8502 Kyoto JAPAN
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33
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De-hydrogenation/Rehydrogenation Properties and Reaction Mechanism of AmZn(NH2)n-2nLiH Systems (A = Li, K, Na, and Rb). SUSTAINABILITY 2022. [DOI: 10.3390/su14031672] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
With the aim to find suitable hydrogen storage materials for stationary and mobile applications, multi-cation amide-based systems have attracted considerable attention, due to their unique hydrogenation kinetics. In this work, AmZn(NH2)n (with A = Li, K, Na, and Rb) were synthesized via an ammonothermal method. The synthesized phases were mixed via ball milling with LiH to form the systems AmZn(NH2)n-2nLiH (with m = 2, 4 and n = 4, 6), as well as Na2Zn(NH2)4∙0.5NH3-8LiH. The hydrogen storage properties of the obtained materials were investigated via a combination of calorimetric, spectroscopic, and diffraction methods. As a result of the performed analyses, Rb2Zn(NH2)4-8LiH appears as the most appealing system. This composite, after de-hydrogenation, can be fully rehydrogenated within 30 s at a temperature between 190 °C and 200 °C under a pressure of 50 bar of hydrogen.
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34
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An Overview of the Recent Advances of Additive-Improved Mg(BH4)2 for Solid-State Hydrogen Storage Material. ENERGIES 2022. [DOI: 10.3390/en15030862] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Recently, hydrogen (H2) has emerged as a superior energy carrier that has the potential to replace fossil fuel. However, storing H2 under safe and operable conditions is still a challenging process due to the current commercial method, i.e., H2 storage in a pressurised and liquified state, which requires extremely high pressure and extremely low temperature. To solve this problem, research on solid-state H2 storage materials is being actively conducted. Among the solid-state H2 storage materials, borohydride is a potential candidate for H2 storage owing to its high gravimetric capacity (majority borohydride materials release >10 wt% of H2). Mg(BH4)2, which is included in the borohydride family, shows promise as a good H2 storage material owing to its high gravimetric capacity (14.9 wt%). However, its practical application is hindered by high thermal decomposition temperature (above 300 °C), slow sorption kinetics and poor reversibility. Currently, the general research on the use of additives to enhance the H2 storage performance of Mg(BH4)2 is still under investigation. This article reviews the latest research on additive-enhanced Mg(BH4)2 and its impact on the H2 storage performance. The future prospect and challenges in the development of additive-enhanced Mg(BH4)2 are also discussed in this review paper. To the best of our knowledge, this is the first systematic review paper that focuses on the additive-enhanced Mg(BH4)2 for solid-state H2 storage.
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35
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Hydrogen purification by Mg alloy hydrogen adsorbent. ADSORPTION 2022. [DOI: 10.1007/s10450-021-00348-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
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36
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Ren Z, Zhang X, Li HW, Huang Z, Hu J, Gao M, Pan H, Liu Y. Titanium Hydride Nanoplates Enable 5 wt% of Reversible Hydrogen Storage by Sodium Alanate below 80°C. RESEARCH (WASHINGTON, D.C.) 2022; 2021:9819176. [PMID: 34993488 PMCID: PMC8696284 DOI: 10.34133/2021/9819176] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Accepted: 11/18/2021] [Indexed: 11/23/2022]
Abstract
Sodium alanate (NaAlH4) with 5.6 wt% of hydrogen capacity suffers seriously from the sluggish kinetics for reversible hydrogen storage. Ti-based dopants such as TiCl4, TiCl3, TiF3, and TiO2 are prominent in enhancing the dehydrogenation kinetics and hence reducing the operation temperature. The tradeoff, however, is a considerable decrease of the reversible hydrogen capacity, which largely lowers the practical value of NaAlH4. Here, we successfully synthesized a new Ti-dopant, i.e., TiH2 as nanoplates with ~50 nm in lateral size and ~15 nm in thickness by an ultrasound-driven metathesis reaction between TiCl4 and LiH in THF with graphene as supports (denoted as NP-TiH2@G). Doping of 7 wt% NP-TiH2@G enables a full dehydrogenation of NaAlH4 at 80°C and rehydrogenation at 30°C under 100 atm H2 with a reversible hydrogen capacity of 5 wt%, superior to all literature results reported so far. This indicates that nanostructured TiH2 is much more effective than Ti-dopants in improving the hydrogen storage performance of NaAlH4. Our finding not only pushes the practical application of NaAlH4 forward greatly but also opens up new opportunities to tailor the kinetics with the minimal capacity loss.
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Affiliation(s)
- Zhuanghe Ren
- State Key Laboratory of Silicon Materials and School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Xin Zhang
- State Key Laboratory of Silicon Materials and School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Hai-Wen Li
- Hefei General Machinery Research Institute, Hefei 230031, China
| | - Zhenguo Huang
- School of Civil & Environmental Engineering, University of Technology Sydney, 81 Broadway, Ultimo, NSW 2007, Australia
| | - Jianjiang Hu
- School of Chemistry and Chemical Engineering, Yantai University, Yantai 264005, China
| | - Mingxia Gao
- State Key Laboratory of Silicon Materials and School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Hongge Pan
- State Key Laboratory of Silicon Materials and School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China.,Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an 710021, China
| | - Yongfeng Liu
- State Key Laboratory of Silicon Materials and School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China.,Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an 710021, China
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37
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Ferraro V, Castro J, Trave E, Bortoluzzi M. Preparation, reactivity and photoluminescence of copper(I) borohydride complexes with bis[(2-diphenylphosphino)phenyl] ether as chelating ligand. J Organomet Chem 2022. [DOI: 10.1016/j.jorganchem.2021.122171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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38
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Zhao J, Zhang Y, Zhang H, Wang H, Wang J. H-spilled storage to maximize the catalytic performances of Pd-based bimetals@Ti3C2Tx MXene in selective semihydrogenations. Catal Sci Technol 2022. [DOI: 10.1039/d1cy01861b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Hydrogen spillover is an important theme for hydrogen storage and H-involving catalytic reactions. This work shows that catalytic reactivity and selectivity can be revealed by differentiating energetic characteristics of the...
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39
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Zhu Y, Liu M, Li J, Zeng W, Zeng L, Wu D, Zhou Q, Tang R, Xiao F. Facile regeneration of lithium borohydride from anhydrous lithium metaborate using magnesium hydride. Inorg Chem Front 2022. [DOI: 10.1039/d2qi01388f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this work, we report a facile method to regenerate LiBH4 from its ideal hydrolytic product (LiBO2) using MgH2 as the reducing agent under ambient conditions.
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Affiliation(s)
- Yongyang Zhu
- Institute of Resources Utilization and Rare Earth Development, Key Laboratory of Separation and Comprehensive Utilization of Rare Metals, Guangdong Academy of Sciences, Guangzhou, 510650, People's Republic of China
- Institute of Resources Utilization and Rare Earth Development, Guangdong Provincial Key Laboratory of Rare Earth Development and Application, Guangdong Academy of Sciences, Guangzhou, 510650, People's Republic of China
| | - Mili Liu
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, People's Republic of China
| | - Jianding Li
- Huzhou Key Laboratory of Materials for Energy Conversion and Storage, School of Science, Huzhou University, Huzhou 313000, People's Republic of China
| | - Weiwei Zeng
- Institute of Resources Utilization and Rare Earth Development, Key Laboratory of Separation and Comprehensive Utilization of Rare Metals, Guangdong Academy of Sciences, Guangzhou, 510650, People's Republic of China
- Institute of Resources Utilization and Rare Earth Development, Guangdong Provincial Key Laboratory of Rare Earth Development and Application, Guangdong Academy of Sciences, Guangzhou, 510650, People's Republic of China
| | - Liming Zeng
- Institute of Resources Utilization and Rare Earth Development, Key Laboratory of Separation and Comprehensive Utilization of Rare Metals, Guangdong Academy of Sciences, Guangzhou, 510650, People's Republic of China
- Institute of Resources Utilization and Rare Earth Development, Guangdong Provincial Key Laboratory of Rare Earth Development and Application, Guangdong Academy of Sciences, Guangzhou, 510650, People's Republic of China
| | - Daifeng Wu
- Institute of Resources Utilization and Rare Earth Development, Key Laboratory of Separation and Comprehensive Utilization of Rare Metals, Guangdong Academy of Sciences, Guangzhou, 510650, People's Republic of China
- Institute of Resources Utilization and Rare Earth Development, Guangdong Provincial Key Laboratory of Rare Earth Development and Application, Guangdong Academy of Sciences, Guangzhou, 510650, People's Republic of China
| | - Qing Zhou
- Institute of Resources Utilization and Rare Earth Development, Key Laboratory of Separation and Comprehensive Utilization of Rare Metals, Guangdong Academy of Sciences, Guangzhou, 510650, People's Republic of China
- Institute of Resources Utilization and Rare Earth Development, Guangdong Provincial Key Laboratory of Rare Earth Development and Application, Guangdong Academy of Sciences, Guangzhou, 510650, People's Republic of China
| | - Renheng Tang
- Institute of Resources Utilization and Rare Earth Development, Key Laboratory of Separation and Comprehensive Utilization of Rare Metals, Guangdong Academy of Sciences, Guangzhou, 510650, People's Republic of China
- Institute of Resources Utilization and Rare Earth Development, Guangdong Provincial Key Laboratory of Rare Earth Development and Application, Guangdong Academy of Sciences, Guangzhou, 510650, People's Republic of China
| | - Fangming Xiao
- Institute of Resources Utilization and Rare Earth Development, Key Laboratory of Separation and Comprehensive Utilization of Rare Metals, Guangdong Academy of Sciences, Guangzhou, 510650, People's Republic of China
- Institute of Resources Utilization and Rare Earth Development, Guangdong Provincial Key Laboratory of Rare Earth Development and Application, Guangdong Academy of Sciences, Guangzhou, 510650, People's Republic of China
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40
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Modeling and simulation of hydrogenation process of NaAlH4. RESULTS IN CHEMISTRY 2022. [DOI: 10.1016/j.rechem.2022.100491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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41
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Sharma P, Han J, Park J, Kim DY, Lee J, Oh D, Kim N, Seo DH, Kim Y, Kang SJ, Hwang SM, Jang JW. Alkali-Metal-Mediated Reversible Chemical Hydrogen Storage Using Seawater. JACS AU 2021; 1:2339-2348. [PMID: 34977902 PMCID: PMC8715542 DOI: 10.1021/jacsau.1c00444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Indexed: 06/14/2023]
Abstract
The economic viability and systemic sustainability of a green hydrogen economy are primarily dependent on its storage. However, none of the current hydrogen storage methods meet all the targets set by the US Department of Energy (DoE) for mobile hydrogen storage. One of the most promising routes is through the chemical reaction of alkali metals with water; however, this method has not received much attention owing to its irreversible nature. Herein, we present a reconditioned seawater battery-assisted hydrogen storage system that can provide a solution to the irreversible nature of alkali-metal-based hydrogen storage. We show that this system can also be applied to relatively lighter alkali metals such as lithium as well as sodium, which increases the possibility of fulfilling the DoE target. Furthermore, we found that small (1.75 cm2) and scaled-up (70 cm2) systems showed high Faradaic efficiencies of over 94%, even in the presence of oxygen, which enhances their viability.
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Affiliation(s)
- Pankaj Sharma
- School
of Energy and Chemical Engineering, Ulsan
National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan 44919, Republic
of Korea
| | - Jinhyup Han
- School
of Energy and Chemical Engineering, Ulsan
National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan 44919, Republic
of Korea
| | - Jaehyun Park
- School
of Energy and Chemical Engineering, Ulsan
National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan 44919, Republic
of Korea
| | - Dong Yeon Kim
- School
of Energy and Chemical Engineering, Ulsan
National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan 44919, Republic
of Korea
| | - Jinho Lee
- School
of Energy and Chemical Engineering, Ulsan
National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan 44919, Republic
of Korea
| | - Dongrak Oh
- School
of Energy and Chemical Engineering, Ulsan
National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan 44919, Republic
of Korea
| | - Namsu Kim
- School
of Energy and Chemical Engineering, Ulsan
National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan 44919, Republic
of Korea
| | - Dong-Hwa Seo
- School
of Energy and Chemical Engineering, Ulsan
National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan 44919, Republic
of Korea
| | - Youngsik Kim
- School
of Energy and Chemical Engineering, Ulsan
National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan 44919, Republic
of Korea
| | - Seok Ju Kang
- School
of Energy and Chemical Engineering, Ulsan
National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan 44919, Republic
of Korea
| | - Soo Min Hwang
- School
of Energy and Chemical Engineering, Ulsan
National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan 44919, Republic
of Korea
- SKKU
Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Ji-Wook Jang
- School
of Energy and Chemical Engineering, Ulsan
National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan 44919, Republic
of Korea
- Emergent
Hydrogen Technology R&D Center, Ulsan
National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
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42
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The Crystal Structures in Hydrogen Absorption Reactions of REMgNi4-Based Alloys (RE: Rare-Earth Metals). ENERGIES 2021. [DOI: 10.3390/en14238163] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
REMgNi4-based alloys, RE(2−x)MgxNi4 (RE: rare-earth metals; 0 < x < 2), with a AuBe5-type crystal structure, exhibit reversible hydrogen absorption and desorption reactions, which are known as hydrogen storage properties. These reactions involve formation of three hydride phases. The hydride formation pressures and hydrogen storage capacities are related to the radii of the RE(2−x)MgxNi4, which in turn are dependent on the radii and compositional ratios of the RE and Mg atoms. The crystal structures formed during hydrogen absorption reactions are the key to understanding the hydrogen storage properties of RE(2−x)MgxNi4. Therefore, in this review, we provide an overview of the crystal structures in the hydrogen absorption reactions focusing on RE(2−x)MgxNi4.
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43
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Wu K, Cao CF, Zhou C, Luo Y, Chen CQ, Lin L, Au C, Jiang L. Engineering of Ce3+-O-Ni structures enriched with oxygen vacancies via Zr doping for effective generation of hydrogen from ammonia. Chem Eng Sci 2021. [DOI: 10.1016/j.ces.2021.116818] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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44
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Evangelista AJ, Ivanchenko M, Jing H. Efficient Near-Infrared-Activated Photocatalytic Hydrogen Evolution from Ammonia Borane with Core-Shell Upconversion-Semiconductor Hybrid Nanostructures. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:3237. [PMID: 34947585 PMCID: PMC8707141 DOI: 10.3390/nano11123237] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 11/23/2021] [Accepted: 11/26/2021] [Indexed: 11/16/2022]
Abstract
In this work, the photocatalytic hydrogen evolution from ammonia borane under near-infrared laser irradiation at ambient temperature was demonstrated by using the novel core-shell upconversion-semiconductor hybrid nanostructures (NaGdF4:Yb3+/Er3+@NaGdF4@Cu2O). The particles were successfully synthesized in a final concentration of 10 mg/mL. The particles were characterized via high resolution transmission electron microscopy (HRTEM), photoluminescence, energy dispersive X-ray analysis (EDAX), and powder X-ray diffraction. The near-infrared-driven photocatalytic activities of such hybrid nanoparticles are remarkably higher than that with bare upconversion nanoparticles (UCNPs) under the same irradiation. The upconverted photoluminescence of UCNPs efficiently reabsorbed by Cu2O promotes the charge separation in the semiconducting shell, and facilitates the formation of photoinduced electrons and hydroxyl radicals generated via the reaction between H2O and holes. Both serve as reactive species on the dissociation of the weak B-N bond in an aqueous medium, to produce hydrogen under near-infrared excitation, resulting in enhanced photocatalytic activities. The photocatalyst of NaGdF4:Yb3+/Er3+@NaGdF4@Cu2O (UCNPs@Cu2O) suffered no loss of efficacy after several cycles. This work sheds light on the rational design of near-infrared-activated photocatalysts, and can be used as a proof-of-concept for on-board hydrogen generation from ammonia borane under near-infrared illumination, with the aim of green energy suppliers.
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Affiliation(s)
| | | | - Hao Jing
- Department of Chemistry and Biochemistry, George Mason University, Fairfax, VA 22030, USA; (A.J.E.); (M.I.)
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45
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Abstract
Humanity is confronted with one of the most significant challenges in its history. The excessive use of fossil fuel energy sources is causing extreme climate change, which threatens our way of life and poses huge social and technological problems. It is imperative to look for alternate energy sources that can replace environmentally destructive fossil fuels. In this scenario, hydrogen is seen as a potential energy vector capable of enabling the better and synergic exploitation of renewable energy sources. A brief review of the use of hydrogen as a tool for decarbonizing our society is given in this work. Special emphasis is placed on the possibility of storing hydrogen in solid-state form (in hydride species), on the potential fields of application of solid-state hydrogen storage, and on the technological challenges solid-state hydrogen storage faces. A potential approach to reduce the carbon footprint of hydrogen storage materials is presented in the concluding section of this paper.
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46
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Billeter E, Łodziana Z, Borgschulte A. Surface Properties of the Hydrogen-Titanium System. THE JOURNAL OF PHYSICAL CHEMISTRY. C, NANOMATERIALS AND INTERFACES 2021; 125:25339-25349. [PMID: 34824662 PMCID: PMC8607499 DOI: 10.1021/acs.jpcc.1c08635] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 10/12/2021] [Indexed: 06/13/2023]
Abstract
Titanium is an excellent getter material, catalyzes gas-solid reactions such as hydrogen absorption in lightweight metal hydrides and complex metal hydrides and has recently been shown as a potential ammonia synthesis catalyst. However, knowledge of the surface properties of this metal is limited when it absorbs large quantities of hydrogen at operation conditions. Both the conceptual description of such a surface as well as the experimental determination of surface hydrogen concentration on hydride-forming metals is challenging due to the dynamic bulk properties and the incompatibility of traditional surface science methods with the hydrogen pressure needed to form the metal hydride, respectively. In this paper, the surface pressure-composition isotherms of the titanium-hydrogen system are measured by operando reflecting electron energy loss spectroscopy (REELS). The titanium thin films were deposited on and hydrogenated through a palladium membrane, which provides an atomic hydrogen source under ultrahigh vacuum conditions. The measurements are supported by density functional theory calculations providing a complete picture of the hydrogen-deficient surface of TiH2 being the basis of its high catalytic activity.
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Affiliation(s)
- Emanuel Billeter
- Laboratory
for Advanced Analytical Technologies, Empa—Swiss
Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland
- Department
of Chemistry, University of Zurich, Winterthurerstrasse 190, CH-8057 Zürich, Switzerland
| | - Zbigniew Łodziana
- Institute
of Nuclear Physics, Polish Academy of Sciences, PL-31342 Krakow, Poland
| | - Andreas Borgschulte
- Laboratory
for Advanced Analytical Technologies, Empa—Swiss
Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland
- Department
of Chemistry, University of Zurich, Winterthurerstrasse 190, CH-8057 Zürich, Switzerland
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47
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Broom DP, Hirscher M. Improving Reproducibility in Hydrogen Storage Material Research. Chemphyschem 2021; 22:2141-2157. [PMID: 34382729 PMCID: PMC8596736 DOI: 10.1002/cphc.202100508] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 08/11/2021] [Indexed: 11/08/2022]
Abstract
Research into new reversible hydrogen storage materials has the potential to help accelerate the transition to a hydrogen economy. The discovery of an efficient and cost-effective method of safely storing hydrogen would revolutionise its use as a sustainable energy carrier. Accurately measuring storage capacities - particularly of novel nanomaterials - has however proved challenging, and progress is being hindered by ongoing problems with reproducibility. Various metal and complex hydrides are being investigated, together with nanoporous adsorbents such as carbons, metal-organic frameworks and microporous organic polymers. The hydrogen storage properties of these materials are commonly determined using either the manometric (or Sieverts) technique or gravimetric methods, but both approaches are prone to significant error, if not performed with great care. Although commercial manometric and gravimetric instruments are widely available, they must be operated with an awareness of the limits of their applicability and the error sources inherent to the measurement techniques. This article therefore describes the measurement of hydrogen sorption and covers the required experimental procedures, aspects of troubleshooting and recommended reporting guidelines, with a view of helping improve reproducibility in experimental hydrogen storage material research.
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Affiliation(s)
| | - Michael Hirscher
- Max Planck Institute for Intelligent SystemsHeisenbergstrasse 370569StuttgartGermany
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48
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Yang Z, Fu-sheng Y, Feng-qi Z, Si-yu X. Interaction Mechanism between Metal Hydrides and Energetic Compounds: an Extensive Literature Survey. FIREPHYSCHEM 2021. [DOI: 10.1016/j.fpc.2021.11.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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49
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Kim C, Ku J, Hwang S, Bowman RC, Reiter JW. Nuclear magnetic relaxation studies of
BH
4
in metal Borohydrides. B KOREAN CHEM SOC 2021. [DOI: 10.1002/bkcs.12401] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Chul Kim
- Department of Chemistry, Hannam University Daejeon South Korea
| | - Jessie Ku
- Division of Chemistry and Chemical Engineering California Institute of Technology Pasadena California USA
| | - Son‐Jong Hwang
- Division of Chemistry and Chemical Engineering California Institute of Technology Pasadena California USA
| | - Robert C. Bowman
- Jet Propulsion Laboratory California Institute of Technology Pasadena California USA
- RCB Hydrides, LLC Franklin Ohio USA
| | - Joseph W. Reiter
- Jet Propulsion Laboratory California Institute of Technology Pasadena California USA
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50
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Lee HS, Kim J, Moon H, Lee W. Hydrogen Gas Sensors Using Palladium Nanogaps on an Elastomeric Substrate. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2005929. [PMID: 33978972 DOI: 10.1002/adma.202005929] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 11/19/2020] [Indexed: 06/12/2023]
Abstract
With the recent reillumination of the hydrogen economy around the world, the demand for H2 sensors is expected to increase rapidly. Due to safety issues caused by the highly flammable and explosive character of hydrogen gas (H2 ), it is imperative to develop the sensors that can quickly and sensitively detect H2 leaks. For the development of H2 sensors, Pd-based materials have been extensively used due to the high affinity of Pd metal for H2 . Among Pd-based H2 sensors, Pd nanogap-based sensors have been extensively investigated because these sensors can operate in an on-off manner, which enables them to have improved sensing capabilities, including high sensitivity, rapid response, short recovery time, and good reliability. Importantly, significant advances in H2 -sensing performance have been achieved by simply using an elastomeric substrate to form Pd nanogaps. Herein, the progress and advanced approaches achieved over the last decade for Pd nanogap-based H2 sensors supported on elastomeric substrates are reviewed, with a focus on strategies to reduce detection limits and increase reliability, sensitivity, and stability.
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Affiliation(s)
- Hyun-Sook Lee
- Department of Materials Science and Engineering, Yonsei University, 50 Yonsei-ro, Seodaemoon-gu, Seoul, 03722, Republic of Korea
| | - Jeongmin Kim
- Division of Nanotechnology, DGIST, 333 Techno Jungang-daero, Hyeonpung-eup, Dalseong-gun, Daegu, 42988, Republic of Korea
| | - Hongjae Moon
- Department of Materials Science and Engineering, Yonsei University, 50 Yonsei-ro, Seodaemoon-gu, Seoul, 03722, Republic of Korea
| | - Wooyoung Lee
- Department of Materials Science and Engineering, Yonsei University, 50 Yonsei-ro, Seodaemoon-gu, Seoul, 03722, Republic of Korea
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