Effects of rare-earth element Y content on the microstructure and properties of quinary Al–Ni–Zr–Co–Y high entropy metallic glasses

Zhang, Zhibin; Zhang, Shuyan; Jing, Zhiyuan; Chen, Changjiu; Liang, Xiubing

doi:10.1016/j.intermet.2023.108164

Intermetallics

2024

DOI: 10.1016/j.intermet.2023.108164

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Effects of rare-earth element Y content on the microstructure and properties of quinary Al–Ni–Zr–Co–Y high entropy metallic glasses

Zhibin Zhang,

Shuyan Zhang,

Zhiyuan Jing

et al.

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Cited by 4 publications

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Amorphous High‐entropy Phosphide Nanosheets With Multi‐atom Catalytic Sites for Efficient Oxygen Evolution

Li,

Xie,

Roy

et al. 2024

Advanced Materials

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The alkaline oxygen evolution reaction (OER) mainly encompasses four elementary reactions, involving intermediates such as HO*, O*, and HOO*. Balancing the Gibbs free energies of these intermediates at a single active site is a challenging task. In this work, a high‐entropy metal‐organic framework incorporating Fe, Ni, Co, Cu, and Y metal elements is synthesized using an electrodeposition method, which then serves as a template for preparing a high‐entropy phosphide/carbon (FeCoNiCuYP/C) composite. Notably, the obtained composite exhibits an amorphous structure with multiple catalytically active sites. Combined theoretical calculations and experimental measurements reveal the critical roles of Co/Ni and Fe atoms in tuning the electronic structure of FeCoNiCuYP and optimizing the binding strength of intermediates. Furthermore, Fe and Ni/Co sites prefer to stabilize the HO* and HOO* intermediates respectively, conducive to breaking their scaling relation of Gibbs free energy during OER. Owing to its fine‐tuned composition and the synergistic effect of multiple active sites, the FeCoNiCuYP/C electrocatalyst demonstrates superior OER performance in alkaline solutions, requiring a mere 316 mV overpotential to yield 100 mA cm−2 current density with excellent stability. This work provides an innovative route to design efficient high‐entropy electrocatalysts, holding significant promise for cutting‐edge electrocatalytic applications.

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Amorphous High‐entropy Phosphide Nanosheets With Multi‐atom Catalytic Sites for Efficient Oxygen Evolution

Li,

Xie,

Roy

et al. 2024

Advanced Materials

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Multiphase coupling corrosion mechanism of the AlNiZrYCo high-entropy metallic glass coating prepared by plasma spraying

Yuan,

Song,

et al. 2024

Corrosion Science

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Influence of Al addition on the microstructure and properties of Fe25Co25Ni25(Si0.3B0.7)25 high entropy metallic glass

Zhang,

Ma,

Liang

et al. 2024

Intermetallics

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Effects of rare-earth element Y content on the microstructure and properties of quinary Al–Ni–Zr–Co–Y high entropy metallic glasses

Cited by 4 publications

References 84 publications

Amorphous High‐entropy Phosphide Nanosheets With Multi‐atom Catalytic Sites for Efficient Oxygen Evolution

Amorphous High‐entropy Phosphide Nanosheets With Multi‐atom Catalytic Sites for Efficient Oxygen Evolution

Multiphase coupling corrosion mechanism of the AlNiZrYCo high-entropy metallic glass coating prepared by plasma spraying

Influence of Al addition on the microstructure and properties of Fe25Co25Ni25(Si0.3B0.7)25 high entropy metallic glass

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