Review
Materials Science, Multidisciplinary
Xin F. Tan, Manjin Kim, Kazuhiro Yasuda, Kazuhiro Nogita
Summary: Bulk Mg-based hydrogen storage materials have the potential to provide a low-cost solution for energy storage and transportation. They are safer and more oxidation resistant compared to nano powders. Various alloying elements and innovative processing methods can be used to improve the performance of bulk Mg alloys in terms of hydrogen sorption kinetics and stability.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2023)
Article
Chemistry, Physical
Lars J. Bannenberg, Herman Schreuders, Hyunjeong Kim, Kouji Sakaki, Shigenobu Hayashi, Kazutaka Ikeda, Toshiya Otomo, Kohta Asano, Bernard Dam
Summary: The study reveals that the nanostructuring and nanoconfinement of metal hydrides have significant impacts on their structural response to hydrogen, leading to higher hydrogen-to-metal ratio, reduced tetragonality of the fct phase, and suppressed phase coexistence. These effects ensure a hysteresis free response of hafnium to hydrogen, demonstrating remarkable performance as a hydrogen-sensing material.
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
(2021)
Article
Energy & Fuels
Simona E. Hunyadi Murph, Henry Sessions, Kaitlin Coopersmith, Michael Brown, Patrick A. Ward
Summary: Controlled and selective release of hydrogen isotopes from lanthanum-nickel-aluminum (LANA) materials was achieved using an alternating electromagnetic field (AEMF), demonstrating a promising pathway for applications requiring the controlled release of hydrogen and separation of its isotopes through rapid and selective desorption directly heating the LANA material with AEMF.
Article
Chemistry, Physical
Jens Moellmer, Hans Uhlig, Marcus Lange, Joerg Hofmann, Andrei L. Kolesnikov, Yury A. Budkov, Andre Goetze, Holger Kohlmann
Summary: The study investigates the hydrogen sorption properties of MgPd2 and its phase behavior at different temperatures and pressures, proposing a phase diagram model for the MgPd2-H system. The results indicate that MgPd2 forms different hydride phases at lower pressures, exhibiting reversible hydrogen absorption and desorption characteristics.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Physical
Bruno Hessel Silva, Walter Jose Botta, Guilherme Zepon
Summary: Computational thermodynamic tools were used to design Ti-V-Nb-Cr alloys with good hydrogen storage properties. The phase diagram calculation and PCT diagram analysis helped identify suitable compositions. The synthesized alloys showed high hydrogen absorption capacity at room temperature without activation treatment. The Ti11V30Nb28Cr31 alloy exhibited good reversibility and stability, as demonstrated by cycling experiments and air exposure tests.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Review
Green & Sustainable Science & Technology
Alok Kumar, P. Muthukumar, Pratibha Sharma, E. Anil Kumar
Summary: Hydrogen is considered a reliable option for clean energy in a sustainable society. Absorption/adsorption based solid-state hydrogen storage technology is a safer alternative to compressed and liquefied hydrogen storage, using materials such as metal hydrides and complex hydrides. This review provides an overview of material options, alloy characteristics, and worldwide advancements in solid-state hydrogen storage.
SUSTAINABLE ENERGY TECHNOLOGIES AND ASSESSMENTS
(2022)
Article
Chemistry, Physical
Manjin Kim, Qinfen Gu, Tanveer Hussain, Yahia Ali, Trevor B. Abbott, Kazuhiro Nogita
Summary: Adding Na to cast Mg-La alloys significantly improves hydrogen absorption kinetics during the first activation cycle. The role of Na in Mg-La alloys has been discussed based on microstructural observations, crystallography, and first principles calculations.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Review
Chemistry, Physical
Leandro Serrano, Maria Moussa, Jie-Yi Yao, Gilbert Silva, Jean -Louis Bobet, Sydney Ferreira Santos, Katia Regina Cardoso
Summary: The development of novel high entropy alloys (HEA) of the TiVNbCrMn system for hydrogen storage is reported. The CALPHAD method was used to design alloys with a body centered cubic structures. Hydrogen absorption/desorption cycles were performed for two alloys showing promising results since the maximum capacity of the alloys has been maintained despite a reduction in absorption kinetics.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Physical
Huang Liu, Jingxi Zhang, Chengshang Zhou, Pei Sun, Yong Liu, Zhigang Zak Fang
Summary: This paper investigates the effect of Nb alloying on the microstructure and hydrogen storage properties of Ti-Fe-Zr-Mn-Nbx alloys. The addition of 2% Nb enables a good combination of the hydrogen capacity and activation property, while Zr-rich phases play a critical role in the activation behavior. However, high Nb addition (> 4%) leads to the reduction of Zr-rich phases and deteriorates the activation kinetics. Nb addition also promotes the formation of the TiFe main phase and increases capacities at ambient temperature. The correlations between microstructure and hydrogen storage performance provide insights into tailoring hydrogen storage properties by alloying TiFe with multi-elements.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Physical
Tales Ferreira, Nayely Pineda-Romero, Walter Jose Botta, Guilherme Zepon, Claudia Zlotea
Summary: This study presents a strategy to decrease the stability of hydrides formed in BCC TiVNb alloy by adding non-hydride forming elements, Cr and Al. The (TiVNb)100-x(CrAl)x alloys with x = 10, 20, 30, and 40 at.% form major BCC solid solutions with dendritic microstructures. The addition of Cr and Al thermodynamically destabilizes hydride formation, enabling reversible capacity at ambient conditions.
Review
Chemistry, Physical
Fenil J. Desai, Md Nizam Uddin, Muhammad M. Rahman, Ramazan Asmatulu
Summary: Hydrogen-based economy has the potential to address global environmental concerns by using hydrogen as a future energy carrier. Among various solid-state hydrogen storage materials, metal hydrides have the highest energy density. However, the accessibility of hydrogen in metal hydrides is challenging. To improve the hydrogen storage kinetics, the effects of functionalized catalysts and dopants on metal atoms have been extensively studied. The nanostructuring of metal hydrides with carbon-based materials has shown promising results in enhancing hydrogen storage properties. This review summarizes the effects of carbon-based materials, catalysts, and dopants on hydrogen storage capacity and kinetics, and discusses the potential of nanoscale tailoring of metal hydrides with carbon materials for industrial applications.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Chemistry, Physical
Mahvash Afzal, Nandlal Gupta, Aashish Mallik, K. S. Vishnulal, Pratibha Sharma
Summary: This study continues the computational analysis of a reactor with hexagonal honeycomb-based heat transfer enhancements, investigating the performance of a metal alloy and the reactor experimentally. It determines the gravimetric capacity and reaction kinetics of the alloy La0.9Ce0.1Ni5, while also exploring the impact of operating conditions on reactor performance. Additionally, evaporative cooling is tested for the first time as a heat removal technique for metal hydride based hydrogen storage reactors and found to significantly improve heat transfer.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Physical
Xin F. Tan, Manjin Kim, Qinfen Gu, Julio Pinzon Piraquive, Guang Zeng, Stuart D. McDonald, Kazuhiro Nogita
Summary: This study investigates the effects of Na in hypo-eutectic Mg-lwt.%Si alloys for H-2 storage applications. The addition of trace amounts of Na is vital in improving the H-2 sorption kinetics, achieving a high storage capacity. The study also analyzes the hydrogen sorption mechanisms and identifies the role of Na in facilitating hydrogen diffusion.
JOURNAL OF POWER SOURCES
(2022)
Article
Chemistry, Physical
Yuanlu Li, Erika Teliz, Fernando Zinola, Veronica Diaz
Summary: This work presents a mathematical model describing the adsorption of hydrogen in La Ni4.7Co0.3 metal hydride as a storage material, with detailed modeling of heat and mass transfer effects and estimation of the heat transfer coefficient. Numerical simulation is used to design a cylindrical tank for hydrogen storage.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Review
Materials Science, Multidisciplinary
Qian Li, Xi Lin, Qun Luo, Yu'an Chen, Jingfeng Wang, Bin Jiang, Fusheng Pan
Summary: This paper summarizes the kinetic models based on different kinetic measurement methods and rate-controlling steps for studying the kinetic mechanism of hydrogen storage alloys. The analysis procedures of kinetic experimental data and the effects of temperature, hydrogen pressure, and particle radius are explained in detail. The applications of the kinetic models for different hydrogen storage alloys are also introduced.
INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS
(2022)