Recent progress in electrochemical application of Magnéli phase Ti4O7-based materials: a review

Wei, Weiran; Yuan, Tingting; Ye, Jinwen

doi:10.1007/s10853-023-08929-y

J Mater Sci

2023

DOI: 10.1007/s10853-023-08929-y

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Recent progress in electrochemical application of Magnéli phase Ti4O7-based materials: a review

Weiran Wei,

Tingting Yuan,

Jinwen Ye

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2024

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Cited by 5 publications

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Establishing Non‐Stoichiometric Ti₄O₇ Assisted Asymmetrical C−C Coupling for Highly Energy‐Efficient Electroreduction of Carbon Monoxide

Hu,

Xu,

Gao

et al. 2024

Angewandte Chemie

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Exploring an appropriate support material for Cu‐based electrocatalyst is conducive for stably producing multi‐carbon chemicals from electroreduction of carbon monoxide. However, the insufficient metal‐support adaptability and low conductivity of the support would hinder the C‐C coupling capacity and energy efficiency. Herein, non‐stoichiometric Ti4O7 was incorporated into Cu electrocatalysts (Cu‐Ti4O7), and served as a highly conductive and stable support for highly energy‐efficient electrochemical conversion of CO. The abundant oxygen vacancies originated from ordered lattice defects in Ti4O7 facilitate the water dissociation and the CO adsorption to accelerate the hydrogenation to *COH. The highly adaptable metal‐support interface of Cu‐Ti4O7 enables a direct asymmetrical C‐C coupling between *CO on Cu and *COH on Ti4O7, which significantly lowers the reaction energy barrier for C2+ products formation. Additionally, the excellent electroconductivity of Ti4O7 benefits the reaction charge transfer through robust Cu/Ti4O7 interface for minimizing the energy loss. Thus, the optimized 20Cu‐Ti4O7 catalyst exhibits an impressive selectivity of 96.4% and ultrahigh energy efficiency of 45.1% for multi‐carbon products, along with a remarkable partial current density of 432.6 mA cm‐2. Our study underscores a novel C‐C coupling strategy between Cu and the support material, advancing the development of Cu‐supported catalysts for highly efficient electroreduction of carbon monoxide.

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Establishing Non‐Stoichiometric Ti₄O₇ Assisted Asymmetrical C−C Coupling for Highly Energy‐Efficient Electroreduction of Carbon Monoxide

Hu,

Xu,

Gao

et al. 2024

Angewandte Chemie

View full text Add to dashboard Cite

show abstract

Establishing Non‐Stoichiometric Ti₄O₇ Assisted Asymmetrical C−C Coupling for Highly Energy‐Efficient Electroreduction of Carbon Monoxide

Hu,

Xu,

Gao

et al. 2024

Angew Chem Int Ed

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Advanced Ru/Ti4O7 catalyst for Tolerating CO and H2S poisoning to hydrogen oxidation reaction

Xie,

Lian,

Deng

et al. 2024

International Journal of Hydrogen Energy

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Recent progress in electrochemical application of Magnéli phase Ti4O7-based materials: a review

Cited by 5 publications

References 185 publications

Establishing Non‐Stoichiometric Ti₄O₇ Assisted Asymmetrical C−C Coupling for Highly Energy‐Efficient Electroreduction of Carbon Monoxide

Establishing Non‐Stoichiometric Ti₄O₇ Assisted Asymmetrical C−C Coupling for Highly Energy‐Efficient Electroreduction of Carbon Monoxide

Establishing Non‐Stoichiometric Ti₄O₇ Assisted Asymmetrical C−C Coupling for Highly Energy‐Efficient Electroreduction of Carbon Monoxide

Advanced Ru/Ti4O7 catalyst for Tolerating CO and H2S poisoning to hydrogen oxidation reaction

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Recent progress in electrochemical application of Magnéli phase Ti4O7-based materials: a review

Cited by 5 publications

References 185 publications

Establishing Non‐Stoichiometric Ti4O7 Assisted Asymmetrical C−C Coupling for Highly Energy‐Efficient Electroreduction of Carbon Monoxide

Establishing Non‐Stoichiometric Ti4O7 Assisted Asymmetrical C−C Coupling for Highly Energy‐Efficient Electroreduction of Carbon Monoxide

Establishing Non‐Stoichiometric Ti4O7 Assisted Asymmetrical C−C Coupling for Highly Energy‐Efficient Electroreduction of Carbon Monoxide

Advanced Ru/Ti4O7 catalyst for Tolerating CO and H2S poisoning to hydrogen oxidation reaction

Contact Info

Product

Resources

About

Establishing Non‐Stoichiometric Ti₄O₇ Assisted Asymmetrical C−C Coupling for Highly Energy‐Efficient Electroreduction of Carbon Monoxide

Establishing Non‐Stoichiometric Ti₄O₇ Assisted Asymmetrical C−C Coupling for Highly Energy‐Efficient Electroreduction of Carbon Monoxide

Establishing Non‐Stoichiometric Ti₄O₇ Assisted Asymmetrical C−C Coupling for Highly Energy‐Efficient Electroreduction of Carbon Monoxide