Thermal reconstruction engineered titanium-based gas diffusion electrodes for robust and energy-saving hydrogen hydrometallurgy

Zheng, Anbang; Su, Yufeng; Lin, Songtao; Wang, Yuchen; Li, Zhilin; Zhang, Zhengping; Wang, Feng

doi:10.1039/d3ta04263d

J. Mater. Chem. A

2023

DOI: 10.1039/d3ta04263d

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Thermal reconstruction engineered titanium-based gas diffusion electrodes for robust and energy-saving hydrogen hydrometallurgy

Anbang Zheng,

Yufeng Su,

Songtao Lin

et al.

Abstract: Hydrogen hydrometallurgy is one of the desirable alternatives to deal with higher power consumption and higher CO2 emissions caused by traditional energy strategy in industrial fields, where the highly robust...

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2024

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Cited by 2 publications

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Rutile‐Structured (RuSnSbReF)O_x High Entropy Solid Solution for Acidic Oxygen Evolution Reaction

Huang,

Ye,

Peng

et al. 2024

Adv Funct Materials

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Developing efficient and low‐cost electrocatalysts with exceptional durability and electrocatalytic activity for the acidic oxygen evolution reaction (OER) presents a significant challenge, primarily owing to the irreversible dissolution of the electrocatalysts in acidic electrolytes. Here, a rutile‐structured (RuSnSbReF)Ox high entropy solid solution is successfully fabricated on the substrate of corrosion‐resistant titanium via a high‐temperature sintering technique. The (RuSnSbReF)Ox electrocatalyst for the OER achieves a super‐low overpotential of 156 mV and a small Tafel slope of 23.87 mV dec−1 at a current density of 10 mA cm−2 in a 0.5 M H2SO4 solution. A high‐stable operation potential is performed for the long‐term measurement of 213 h at a current density of 100 mA cm−2. There is a lower energy barrier of the rate‐determining step (RDS) on the Ruthenium (Ru)‐Rhenium (Re) bridge site of the (RuSnSbReF)Ox electrocatalyst in comparison with that of other sites for acidic OER. The reservoir‐like Re species in the (RuSnSbReF)Ox can bestow/save the electrons to the Ru site through O‐bridges, favorably adjusting the electronic structure and the oxidation state. This investigation opens a feasible avenue to develop an efficient and durable Ru‐based electrocatalysts of rutile‐structured high entropy solid solution for the OER toward the practical applications of electrochemical industry in acidic media.

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Rutile‐Structured (RuSnSbReF)O_x High Entropy Solid Solution for Acidic Oxygen Evolution Reaction

Huang,

Ye,

Peng

et al. 2024

Adv Funct Materials

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show abstract

Rapid electrosynthesis of low-loaded platinum nanosheet catalysts for high-performance hydrogen oxidation reactions

Feng,

Xu,

Zhang

et al. 2024

International Journal of Electrochemical Science

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Thermal reconstruction engineered titanium-based gas diffusion electrodes for robust and energy-saving hydrogen hydrometallurgy

Abstract: Hydrogen hydrometallurgy is one of the desirable alternatives to deal with higher power consumption and higher CO2 emissions caused by traditional energy strategy in industrial fields, where the highly robust...

Cited by 2 publications

References 33 publications

Rutile‐Structured (RuSnSbReF)O_x High Entropy Solid Solution for Acidic Oxygen Evolution Reaction

Rutile‐Structured (RuSnSbReF)O_x High Entropy Solid Solution for Acidic Oxygen Evolution Reaction

Rapid electrosynthesis of low-loaded platinum nanosheet catalysts for high-performance hydrogen oxidation reactions

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Thermal reconstruction engineered titanium-based gas diffusion electrodes for robust and energy-saving hydrogen hydrometallurgy

Abstract: Hydrogen hydrometallurgy is one of the desirable alternatives to deal with higher power consumption and higher CO2 emissions caused by traditional energy strategy in industrial fields, where the highly robust...

Cited by 2 publications

References 33 publications

Rutile‐Structured (RuSnSbReF)Ox High Entropy Solid Solution for Acidic Oxygen Evolution Reaction

Rutile‐Structured (RuSnSbReF)Ox High Entropy Solid Solution for Acidic Oxygen Evolution Reaction

Rapid electrosynthesis of low-loaded platinum nanosheet catalysts for high-performance hydrogen oxidation reactions

Contact Info

Product

Resources

About

Rutile‐Structured (RuSnSbReF)O_x High Entropy Solid Solution for Acidic Oxygen Evolution Reaction

Rutile‐Structured (RuSnSbReF)O_x High Entropy Solid Solution for Acidic Oxygen Evolution Reaction