Constructing a medium-entropy spinel oxide FeNiMnO<sub>4</sub>/CeO<sub>2</sub> heterojunction as a high-performance electrocatalyst for the oxygen evolution reaction

Wu, Hao; Wang, Zhichao; Shi, Yuxuan; Li, Zexu; Ding, Fan; Ren, Yilun; Li, Fengqi; Bian, Haifeng; Wang, Cong; Yang, Yurong; Gu, Jian; Tang, Shaochun; Ma, Yujie; Deng, Yu; Meng, Xiangkang

doi:10.1039/d4qi00770k

Inorg. Chem. Front.

2024

DOI: 10.1039/d4qi00770k

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Constructing a medium-entropy spinel oxide FeNiMnO₄/CeO₂ heterojunction as a high-performance electrocatalyst for the oxygen evolution reaction

Hao Wu,

Zhichao Wang,

Yuxuan Shi

et al.

Abstract: Medium-entropy oxides are commonly employed as electrocatalysts for the oxygen evolution reaction (OER) in electrolysers aimed at producing sustainable hydrogen. However, the poor conductivity poses a significant obstacle to further...

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Lanthanides in the water electrolysis

Gaur,

Sharma,

Enkhbayar

et al. 2024

EcoMat

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The most feasible technique for producing green hydrogen is water electrolysis. In recent years, there has been significant study conducted on the use of transition metal compounds as electrocatalysts for both anodes and cathodes. Peoples have attempted several strategies to improve the electrocatalytic activity of their original structure. One such technique involves introducing rare earth metals or creating heterostructures with compounds based on rare earth metals. The incorporation of rare earth metals significantly enhances the activity by many folds, while their compounds offer structural stability and the ability to manipulate the electronic properties of the original system. These factors have led to a recent boom in investigations on rare earth metal‐based electrocatalysts. There is currently a pressing demand for a review article that can provide a comprehensive overview of the scientific advancements and elucidate the mechanistic aspects of the impact of lanthanide doping. This review begins by explaining the electronic structure of the lanthanides. We next examine the mechanistic aspects, followed by recent advancements in lanthanide doping and heterostructure formation for water electrolysis applications. It is expected that this particular effort will benefit a broad audience and stimulate more research in this area of interest.image

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Lanthanides in the water electrolysis

Gaur,

Sharma,

Enkhbayar

et al. 2024

EcoMat

View full text Add to dashboard Cite

show abstract

Structural advantages of medium-/high-entropy materials for electrocatalysis

Wu,

Huang,

et al. 2024

Chemical Engineering Journal

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Regulation strategy of spinel OER electrocatalyst

Xiao,

Liu

2024

Chin. Sci. Bull.

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Constructing a medium-entropy spinel oxide FeNiMnO₄/CeO₂ heterojunction as a high-performance electrocatalyst for the oxygen evolution reaction

Abstract: Medium-entropy oxides are commonly employed as electrocatalysts for the oxygen evolution reaction (OER) in electrolysers aimed at producing sustainable hydrogen. However, the poor conductivity poses a significant obstacle to further...

Cited by 3 publications

References 72 publications

Lanthanides in the water electrolysis

Lanthanides in the water electrolysis

Structural advantages of medium-/high-entropy materials for electrocatalysis

Regulation strategy of spinel OER electrocatalyst

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Product

Resources

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Constructing a medium-entropy spinel oxide FeNiMnO4/CeO2 heterojunction as a high-performance electrocatalyst for the oxygen evolution reaction

Abstract: Medium-entropy oxides are commonly employed as electrocatalysts for the oxygen evolution reaction (OER) in electrolysers aimed at producing sustainable hydrogen. However, the poor conductivity poses a significant obstacle to further...

Cited by 3 publications

References 72 publications

Lanthanides in the water electrolysis

Lanthanides in the water electrolysis

Structural advantages of medium-/high-entropy materials for electrocatalysis

Regulation strategy of spinel OER electrocatalyst

Contact Info

Product

Resources

About

Constructing a medium-entropy spinel oxide FeNiMnO₄/CeO₂ heterojunction as a high-performance electrocatalyst for the oxygen evolution reaction