Enhancing electroreduction activity and selectivity of N2-to-NH3 through proton-feeding adjustments in Ag@AgP2@Ni-CoP@C core-shell nanowires

Huang, Shoushuang; Bao, Jinmei; Xiang, Danfeng; Gao, Chunyan; Peng, Kaimei; Chen, Qiaochuan; Ma, Shenglin; Jiang, Yong; Hu, Zhangjun; Zhang, Jiujun

doi:10.1016/j.apcatb.2023.122998

Applied Catalysis B: Environmental

2023

DOI: 10.1016/j.apcatb.2023.122998

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Enhancing electroreduction activity and selectivity of N2-to-NH3 through proton-feeding adjustments in Ag@AgP2@Ni-CoP@C core-shell nanowires

Shoushuang Huang

Jinmei Bao

Danfeng Xiang

et al.

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Cited by 9 publications

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Core‐Shell Quantum Wires‐Supported Single‐Atom Fe Electrocatalysts for Efficient Overall Water Splitting

Li,

Deng,

Wang

et al. 2024

Small

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It is of great significance for the development of hydrogen energy technology by exploring the new‐type and high‐efficiency electrocatalysts (such as single atom catalysts (SACs)) for water splitting. In this paper, by combining interface engineering and doping engineering, a unique single atom iron (Fe)‐doped carbon‐coated nickel sulfide (Ni3S2) quantum wires (Ni3S2@Fe‐SACs) is prepared as a high‐performance bi‐functional electrocatalyst for hydrogen evolution reaction (HER) and oxygen evolution reaction (OER). Theoretical calculation and experimental results show that the addition of atomic Fe species can effectively adjust the electronic structure of sulfide, the interfacial electron transfer modulates the d‐band center position, optimizing the transient state of the catalytic process and adsorption energy of hydrogen/oxygen intermediates, and greatly accelerates the kinetics of HER and OER. The results show that the Ni3S2@Fe‐SACs core‐shell quantum wires array exhibit overpotentials of 46 and 219 mV for HER and OER at 10 mA cm−2 in 1 m KOH, respectively. In addition, the two‐electrode electrolyzer assembled by the Ni3S2@Fe‐SACs requires a voltage as low as 1.465 V to achieve alkaline overall water splitting of 10 mA cm−2. This work holds great promise for the development of highly active and highly stable electrocatalysts for future hydrogen energy conversion applications.

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Core‐Shell Quantum Wires‐Supported Single‐Atom Fe Electrocatalysts for Efficient Overall Water Splitting

Li,

Deng,

Wang

et al. 2024

Small

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Dynamic Investigations on CoFe2O4@Co3O4 Nano-composite as an Enhanced Electrocatalyst for Oxygen Evolution Reaction

Zhang,

Jaouhari,

et al. 2024

Electrocatalysis

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Interfacial electronic structure modulations of Au@CuS with defective Ni-doped CoS2 facilitates the electroreduction of N2 into NH3

Xiang,

Bao,

Zhang

et al. 2024

Chemical Engineering Journal

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Enhancing electroreduction activity and selectivity of N2-to-NH3 through proton-feeding adjustments in Ag@AgP2@Ni-CoP@C core-shell nanowires

Cited by 9 publications

References 51 publications

Core‐Shell Quantum Wires‐Supported Single‐Atom Fe Electrocatalysts for Efficient Overall Water Splitting

Core‐Shell Quantum Wires‐Supported Single‐Atom Fe Electrocatalysts for Efficient Overall Water Splitting

Dynamic Investigations on CoFe2O4@Co3O4 Nano-composite as an Enhanced Electrocatalyst for Oxygen Evolution Reaction

Interfacial electronic structure modulations of Au@CuS with defective Ni-doped CoS2 facilitates the electroreduction of N2 into NH3

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