Article
Biochemistry & Molecular Biology
Toyoto Sato, Hiroyuki Saitoh, Reina Utsumi, Junya Ito, Yuki Nakahira, Kazuki Obana, Shigeyuki Takagi, Shin-ichi Orimo
Summary: In this study, the hydrogen absorption reaction of LaNi5 under high pressures above 1 GPa was investigated, and it was found that LaNi5 absorbed 2.07% hydrogen at 6 GPa, indicating a higher hydrogen storage capacity compared to reactions below 1.0 MPa. Additionally, the hydrogen-absorbed LaNi5Hx decomposed into NiH under high-pressure conditions, and a new hydride phase with different crystal parameters was observed.
Article
Chemistry, Physical
Yanze Wu, Yalan Liu, Kui Liu, Lin Wang, Lei Zhang, Degao Wang, Zhifang Chai, Weiqun Shi
Summary: This article reports a method to prepare hierarchical honeycomb LaNi5 alloy on a nickel foam, which exhibits excellent electrocatalytic activity and durability for the hydrogen evolution reaction and oxygen evolution reaction. This method expands the range of element modification and enables the fabrication of a 3D self-supported heterostructure with good conductivity and coupling.
GREEN ENERGY & ENVIRONMENT
(2022)
Article
Chemistry, Physical
Long Liang, Qingqing Yang, Shaolei Zhao, Limin Wang, Fei Liang
Summary: Rare-earth hydrogen storage alloy shows a catalytic effect in reducing the dehydrogenation temperature and improving the dehydrogenation kinetics of alane, providing a promising strategy for metal hydride modification.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Physical
Gabriel Rodrigues de Almeida Neto, Cesar Augusto Goncalves Beatrice, Daniel Rodrigo Leiva, Luiz Antonio Pessan
Summary: This study investigated the preparation of PEI-LaNi5 composite films for hydrogen storage, demonstrating that PEI films filled with LaNi5 are promising materials for this purpose. The membranes were successfully produced through solvent casting assisted by an ultrasonic bath, and the results showed that the film morphology remained unchanged after hydrogenation cycles.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Multidisciplinary
Shinya Okazoe, Kohei Kusada, Yukihiro Yoshida, Mitsuhiko Maesato, Tomokazu Yamamoto, Takaaki Toriyama, Syo Matsumura, Shogo Kawaguchi, Yoshiki Kubota, Yusuke Nanba, Susan Menez Aspera, Michihisa Koyama, Hiroshi Kitagawa
Summary: This report presents solid-solution alloy nanoparticles that have a similar electronic structure to technetium carbide. The nanoparticles showed a superconducting state and the transition temperature increased with increasing composition, indicating the possibility of pseudo-technetium carbide.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2023)
Article
Chemistry, Physical
Hongen Yu, Yong Wu, Shunpeng Chen, Zewei Xie, Yiman Wu, Nuo Cheng, Xue Yang, Wei Lin, Lei Xie, Xingguo Li, Jie Zheng
Summary: In this study, a palladium catalyst loaded on a hydrogen storage support-Pd/LaNi5 was synthesized and its catalytic property in reversible hydrogen storage of N-ethylcarbazole (NEC) was investigated. The results showed that the catalytic performance of 1 wt%Pd/LaNi5 was significantly better than that of Pd/Al2O3 with the same Pd loading. This improvement was attributed to the ample lattice hydrogen bonding sites and fast bulk hydrogen diffusion kinetics of LaNi5.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Review
Chemistry, Multidisciplinary
Wenda Chen, Xiuyuan Yang, Zhida Chen, Zhijun Ou, Jiangtao Hu, Yuan Xu, Yongliang Li, Xiangzhong Ren, Shenghua Ye, Jieshan Qiu, Jianhong Liu, Qianling Zhang
Summary: Electrochemical NO3-RR can store renewable electric energy and green hydrogen into NH3, providing a potential solution for green hydrogen storage and transportation.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Green & Sustainable Science & Technology
Min Liu, Bo Zhao, Yaze Li, Zhen Wang, Xuesong Zhang, Liang Tong, Tianqi Yang, Xuefang Li, Jinsheng Xiao
Summary: This study investigated the effects of fin structure and injection tube on the performance of a hydrogen storage tank packed with LaNi5 alloy. A parametric study was conducted to optimize the tank design and improve its efficiency and safety. The results showed that the fin structure improved heat transfer performance and the injection tube enhanced hydrogen mass transfer in the tank.
Review
Chemistry, Physical
Jean-Marc Joubert, Valerie Paul-Boncour, Fermin Cuevas, Junxian Zhang, Michel Latroche
Summary: This paper provides a comprehensive review of the properties and applications of AB(5) compounds, including crystal structures, formation of metallic hydrides, thermodynamic properties of sorption reaction, and applications in magnetic properties and electrochemical energy storage. It highlights the great potential of this class of materials in gas storage, heat exchange, compression, gas separation, and purification.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Analytical
Krystyna Giza, Edyta Owczarek
Summary: This study analyzed the corrosion parameters of LaNi5-xMgx hydrogen-absorbing alloys in relation to the degree of magnesium substitution for nickel and the exposure time in a strongly alkaline solution. The results showed that the LaNi5 phase, rich in Mg, corroded easily, and the presence of Mg in LaNi5-xMgx alloys became beneficial for longer exposure times in an alkaline solution.
Article
Materials Science, Multidisciplinary
Sanjib Majumdar, Shubham Kumar, Bhaskar Paul, Jugal Kishor
Summary: In this study, high purity Fe-B alloy was prepared through alumino-silico-thermic co-reduction of Fe2O3 and B2O3. Differential thermal analysis revealed the reduction behavior of Fe2O3 and B2O3 with Al and Si. The formation of aluminum and silicon borides was avoided by using sub-stoichiometric amounts of Al and Si.
MATERIALS CHEMISTRY AND PHYSICS
(2024)
Article
Nanoscience & Nanotechnology
Anning Jiang, Jiatian Chen, Shuai Liu, Zegao Wang, Qiang Li, Dan Xia, Mingdong Dong
Summary: This study demonstrates the rational design and facile synthesis of a highly efficient bifunctional electrocatalyst composed of Rh, Co, and Fe alloy nanoparticles embedded in nitrogen-doped graphene. The RhFeCo@NG catalyst shows superior performance in the hydrogen evolution reaction and the oxygen reduction reaction compared to state-of-the-art Pt catalyst, highlighting the potential for developing efficient and multifunctional catalysts.
ACS APPLIED NANO MATERIALS
(2021)
Article
Chemistry, Physical
Mateusz Balcerzak, Tomasz Runka, Zbigniew Sniadecki
Summary: BCC alloys with carbon catalysts show improved hydrogenation kinetics, lower desorption temperature, and enhanced hydrogen absorption rate, making them promising materials for hydrogen storage applications.
Article
Materials Science, Multidisciplinary
Michihisa Fukumoto, Kano Nakajima, Hiroki Takahashi
Summary: LaNi5 hydrogen storage alloy was successfully prepared by electrodepositing La using a molten salt. Uniform formation of LaNi5 on the substrate surface was achieved at 750 degrees C. The electrodeposition-formed LaNi5 exhibited good hydrogen storage properties.
Article
Chemistry, Physical
Min Sun, Qing Ye, Lu Lin, Yufeng Wang, Zongmin Zheng, Fangfang Chen, Yongliang Cheng
Summary: Developing a high-efficiency hydrogen evolution reaction (HER) electrocatalyst is essential for large-scale hydrogen production. In this study, NiMo solid-solution alloy porous nanofibers were used as a robust HER electrocatalyst, showing higher activity compared to Ni nanofibers. The NiMo nanofibers exhibited low overpotential and outstanding durability, making them a promising candidate for high-efficiency HER electrocatalysts and providing valuable information for manufacturing durable alloy-based electrocatalysts.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
