Correlation study between hydrogen absorption property and lattice structure of Mg-based BCC alloys

Shao, Huaiyu; Asano, Keisuke; Enoki, Hirotoshi; Akiba, Etsuo

doi:10.1016/j.ijhydene.2008.12.091

Cited by 23 publications

(5 citation statements)

References 25 publications

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“…During the cycling of absorption-desorption in hydrogen storage materials, change in the lattice structure and lattice expansion caused by hydrogen atoms makes it difficult to achieve effective and compact packing of the materials. Similar to the phenomenon reported by the authors in Mg-Co based BCC alloys [24,27], this reported Ti-V-C alloy is always with a stable FCC lattice structure before and after hydrogenation and with no big difference in its lattice parameter. This means great potential in reversible and long cycle-life hydrogen storage.…”

Section: Introductionsupporting

confidence: 90%

Ti-V-C-Based Alloy with a FCC Lattice Structure for Hydrogen Storage

Li¹,

Li³

et al. 2019

Molecules

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Here we report a Ti50V50-10 wt.% C alloy with a unique lattice and microstructure for hydrogen storage development. Different from a traditionally synthesized Ti50V50 alloy prepared by a melting method and having a body-centered cubic (BCC) structure, this Ti50V50-C alloy synthesized by a mechanical alloying method is with a face-centered cubic (FCC) structure (space group: Fm-3m No. 225). The crystalline size is 60 nm. This alloy may directly absorb hydrogen near room temperature without any activation process. Mechanisms of the good kinetics from lattice and microstructure aspects were discussed. Findings reported here may indicate a new possibility in the development of future hydrogen storage materials.

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Section: Introductionsupporting

confidence: 90%

Ti-V-C-Based Alloy with a FCC Lattice Structure for Hydrogen Storage

Li¹,

Li³

et al. 2019

Molecules

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“…Many factors such as a chemical composition [2][3][4] , addition of catalytic species [5][6][7][8][9][10] , processing technologies 5,[11][12][13][14] and microstructural parameters, particularly grain size 6,[15][16][17] , have an effect on the hydrogen storage capacity, kinetics and/or thermodynamics of Mg-based intermetallic compounds. Conventional crystalline alloys often suffer from relatively slow hydrogen sorption kinetics even at high temperatures, while nanocrystalline and amorphous materials exhibit much faster kinetics at lower temperatures, as their large number of interfaces, defects and grain boundaries, provide easy pathways for hydrogen diffusion [18][19][20][21] . Their wider use is however limited by the poor reversibility at ambient temperature and pressure.…”

Section: Introductionmentioning

confidence: 99%

New FCC Mg–Zr and Mg–Zr–ti deuterides obtained by reactive milling

Guzik¹,

Deledda²,

Sørby³

et al. 2015

Journal of Solid State Chemistry

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“…Huaiyu Shao et al [125] synthesized the Mg-based BCC alloy Mg 60 Ni 5 Co m X 35−m (X = Co, B, Al, Cr, V, Pd, and Cu) using the mechanical alloying method and studied the relationship between its lattice parameters and H 2 absorption performance. The results show that the alloys with lattice parameters in the range of 0.300-0.308 nm absorb more H 2 while the alloys with lattice parameters greater than 0.313 nm have difficulty in absorbing H 2 .…”

Section: Body-centered Cubic (Bcc) Alloysmentioning

confidence: 99%

Intermetallic Compounds Synthesized by Mechanical Alloying for Solid-State Hydrogen Storage: A Review

2021

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

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Correlation study between hydrogen absorption property and lattice structure of Mg-based BCC alloys

Cited by 23 publications

References 25 publications

Ti-V-C-Based Alloy with a FCC Lattice Structure for Hydrogen Storage

Ti-V-C-Based Alloy with a FCC Lattice Structure for Hydrogen Storage

New FCC Mg–Zr and Mg–Zr–ti deuterides obtained by reactive milling

Intermetallic Compounds Synthesized by Mechanical Alloying for Solid-State Hydrogen Storage: A Review

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