Preparation and hydrogen storage properties of single-phase Ce2Ni7-type La-Sm-Y-Ni based hydrogen storage alloy

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High temperature phase transformation and low temperature electrochemical properties of La1.9Y4.1Ni20.8Mn0.2Al H2-storage alloy

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Key technologies for smart energy systems: Recent developments, challenges, and research opportunities in the context of carbon neutrality

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Energy transition and carbon neutrality: Exploring the non-linear impact of renewable energy development on carbon emission efficiency in developed countries

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Modulating superlattice structure and cyclic stability of Ce2Ni7-type LaY2Ni10.5-based alloys by Mn, Al, and Zr substitutions

Shiqian Zhao et al.

Summary: This work investigates the structure and electrochemical hydrogen storage properties of LaY2Ni10.5-based alloys by substituting Mn, Al, and Zr. Mn and Al substitutions greatly improve cyclic performance by reducing the volume difference between subunits. However, Zr substitution dramatically reduces discharge capacity and cyclic stability due to abnormal lattice expansion. These findings provide insights for the design of high capacity and long-life superlattice electrode alloys.

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Article Chemistry, Physical

Effect of Sm on the cyclic stability of La-Y-Ni-based alloys and their comparison with RE-Mg-Ni-based hydrogen storage alloy

Miao Guo et al.

Summary: The partial substitution of Sm for Y in La-Y-Ni-based alloys improves their anti-corrosion and anti-pulverization performances, thereby increasing cycle life. Compared to (RE0.85Mg0.15)(2)(NiAl)(7) alloys, RE-Y-Ni-based alloys exhibit better crystal structure stability, but worse gas-solid and electrochemical cyclic stability.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2021)

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Review Chemistry, Physical

LaNi5 related AB5 compounds: Structure, properties and applications

Jean-Marc Joubert et al.

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.

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Article Chemistry, Physical

Phase transformation and hydrogen storage properties of LaY2Ni10.5 superlattice alloy with single Gd2Co7-type or Ce2Ni7-type structure

Shiqian Zhao et al.

Summary: The study reveals that the as-cast LaY2Ni10.5 multi-phase alloy can be prepared into single-phase alloys with different structures by annealing at different temperatures. Y atoms preferentially substitute La in the [A(2)B(4)] subunit of hexagonal and rhombohedral superlattice structures, affecting the structural stability of the alloy.

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Superior electrochemical performance of La-Mg-Ni-based alloys with novel A2B7-A7B23 biphase superlattice structure

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Summary: The article introduces a series of biphase superlattice hydrogen storage alloys (HSAs) with superior electrochemical properties compared to other alloys. Despite having slightly lower cycling stability than single-phase alloys, the biphase alloys exhibit good high-rate discharge performance, making them promising as advanced electrode materials for power batteries.

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Towards understanding the influence of Mg content on phase transformations in the La3-xMgxNi9 alloys by in-situ neutron powder diffraction study

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Effect of Al content on the structural and electrochemical properties of A2B7 type La-Y-Ni based hydrogen storage alloy

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INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2020)

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Preparation and kinetic performances of single-phase PuNi3-, Ce2Ni7-, Pr5Co19-type superlattice structure La-Gd-Mg-Ni-based hydrogen storage alloys

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Structural stability studies of single-phase Ce2Ni7-type and Gd2Co7-type isomerides with La0.65Nd0.15Mg0.2Ni3.5 compositions

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A novel AB4-type RE-Mg-Ni-Al-based hydrogen storage alloy with high power for nickel-metal hydride batteries

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Effect of Y element on cyclic stability of A2B7-type La-Y-Ni-based hydrogen storage alloy

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A new choice for the anode of nickel metal hydride batteries with long cycling life: A Ce2Ni7-type single-phase Nd0.80Mg0.20Ni3.58 hydrogen storage alloy

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Novel A7B23-type La-Mg-Ni-Co compound for application on Ni-MH battery

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Phase transition and hydrogenation properties of Ce2Ni7-type Pr2Co7 during the hydrogen absorption process

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INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2018)

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Correlation between phase structure and electrochemical properties of Ce2Ni7-type La-RE-Mg-Ni (RE = Nd, Sm, Y) alloys: A comparative study

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Effect of substituting Y with Mg on the microstructure and electrochemical performance of LaY2Ni9 hydrogen storage alloy

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A new AB4-type single-phase superlattice compound for electrochemical hydrogen storage

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Investigations on AB3-, A2B7- and A5B19-type La-Y-Ni system hydrogen storage alloys

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Effects of annealing temperature on the structure and properties of the LaY2Ni10Mn0.5 hydrogen storage alloy

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Characteristics of A2B7-type La-Y-Ni-based hydrogen storage alloys modified by partially substituting Ni with Mn

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New crystal structure of Nd2Ni7 formed on the basis of stacking of block layers

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Cooperative effects of Sm and Mg on electrochemical performance of La-Mg-Ni-based alloys with A2B7- and A5B19-type super-stacking structure

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Preparation and hydrogen storage properties of single-phase Ce2Ni7-type La-Sm-Y-Ni based hydrogen storage alloy

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