Interfacial effects of Cu/Fe3O4 in water-gas shift reaction: Role of Fe3O4 crystallite sizes

Tan, Ruifan; Zhuge, Kaixuan; Ma, Xinzheng; Mou, Xiaoling; Ren, Mengxiang; Chang, Renqin; Zhou, Qi; Yan, Li; Lin, Ronghe; Ding, Yunjie

doi:10.1016/j.ijhydene.2024.06.353

International Journal of Hydrogen Energy

2024

DOI: 10.1016/j.ijhydene.2024.06.353

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Interfacial effects of Cu/Fe3O4 in water-gas shift reaction: Role of Fe3O4 crystallite sizes

Ruifan Tan,

Kaixuan Zhuge,

Xinzheng Ma

et al.

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Cited by 2 publications

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Encapsulation of Cu/Fe₃O₄ With RT‐COF‐1 for Improved Stability in Water–Gas Shift Reaction

Ren,

Tan,

Mou

et al. 2024

ChemistrySelect

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Stability is crucial for the practical application of heterogeneous catalysts, particularly in industrial processes, where catalyst deactivation often occurs due to factors such as sintering, poisoning, and active site degradation. This study investigates the effectiveness of utilizing covalent organic frameworks (COFs), specifically RT‐COF‐1, to enhance the stability of Cu/Fe3O4 catalysts in harsh water–gas shift (WGS) reaction environments. By encapsulating Cu/Fe3O4 with trace RT‐COF‐1, we aimed to preserve the structural integrity and active interfaces between the metal components during catalytic reactions. Characterization techniques, including X‐ray photoelectron spectroscopy, nitrogen sorption, and high‐angle annular dark‐field scanning transmission electron microscopy, confirmed the successful COF coating and its role in preventing particle aggregation and maintaining active site structures over extended catalytic tests. Notably, Cu/Fe3O4@COF demonstrated significantly enhanced stability during a continuous 24‐h WGS test compared to uncoated catalysts, which exhibited rapid deactivation. Mechanistic insights indicated that COF coating reduced the number of active sites while preserving the overall morphology of the catalyst, contributing to its robust performance. Ultimately, this work highlights the potential of COF encapsulation as an effective strategy for enhancing the durability and efficacy of multifunctional catalysts in challenging reaction conditions.

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Encapsulation of Cu/Fe₃O₄ With RT‐COF‐1 for Improved Stability in Water–Gas Shift Reaction

Ren,

Tan,

Mou

et al. 2024

ChemistrySelect

View full text Add to dashboard Cite

show abstract

Waste tires to blue hydrogen by integrating plasma gasification process, CO2 capture and cascade power generation: New process development and technical feasibility analysis

Liu,

Zhou,

Ren

2024

Energy

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Interfacial effects of Cu/Fe3O4 in water-gas shift reaction: Role of Fe3O4 crystallite sizes

Cited by 2 publications

References 41 publications

Encapsulation of Cu/Fe₃O₄ With RT‐COF‐1 for Improved Stability in Water–Gas Shift Reaction

Encapsulation of Cu/Fe₃O₄ With RT‐COF‐1 for Improved Stability in Water–Gas Shift Reaction

Waste tires to blue hydrogen by integrating plasma gasification process, CO2 capture and cascade power generation: New process development and technical feasibility analysis

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Interfacial effects of Cu/Fe3O4 in water-gas shift reaction: Role of Fe3O4 crystallite sizes

Cited by 2 publications

References 41 publications

Encapsulation of Cu/Fe3O4 With RT‐COF‐1 for Improved Stability in Water–Gas Shift Reaction

Encapsulation of Cu/Fe3O4 With RT‐COF‐1 for Improved Stability in Water–Gas Shift Reaction

Waste tires to blue hydrogen by integrating plasma gasification process, CO2 capture and cascade power generation: New process development and technical feasibility analysis

Contact Info

Product

Resources

About

Encapsulation of Cu/Fe₃O₄ With RT‐COF‐1 for Improved Stability in Water–Gas Shift Reaction

Encapsulation of Cu/Fe₃O₄ With RT‐COF‐1 for Improved Stability in Water–Gas Shift Reaction