Syntheses and applications of single-atom catalysts for electrochemical energy conversion reactions

Zhan, Qimin; Shuai, Ting-Yu; Huang, Chen-Jin; Zhang, Zhijie; Li, Gao‐Ren

doi:10.1016/s1872-2067(23)64392-x

Cited by 13 publications

(3 citation statements)

References 243 publications

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“…13–15 However, these noble metal catalysts cannot be employed for large-scale commercial applications because of their limited multifunctional performance, 8 high price, small earth reserves, and poor stability. 16,17 The 3d transition metal-based catalysts, such as layered double hydroxides (LDHs), 18 metal oxides (hydroxides), 19,20 phosphides, 21,22 sulfides, 23 selenides, 24 nitrides, 25 metal phosphates, 26 and carbides, 27 have the characteristics of abundant reserves, low cost, and high efficiency, and they have been widely used in electrocatalytic water splitting research and are potential candidates for the electrocatalytic OER. 26…”

Section: Introductionmentioning

confidence: 99%

Ni₃Se₄/Fe(PO₃)₂/NF composites as high-efficiency electrocatalysts with a low overpotential for the oxygen evolution reaction

Shuai,

Zhan,

et al. 2024

J. Mater. Chem. A

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Section: Introductionmentioning

confidence: 99%

Ni₃Se₄/Fe(PO₃)₂/NF composites as high-efficiency electrocatalysts with a low overpotential for the oxygen evolution reaction

Shuai,

Zhan,

et al. 2024

J. Mater. Chem. A

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“…Reducing carbon dioxide emissions is crucial for achieving sustainable development. 1,2 Hydrogen production by water electrolysis is an emerging and promising method. 3,4 However, oxygen evolution reaction (OER) has some inherent disadvantages, including slow kinetics, high theoretical potential (1.23 V vs RHE), and uneconomical products, which hinder the widespread adoption of this method.…”

Section: Introductionmentioning

confidence: 99%

“…Reducing carbon dioxide emissions is crucial for achieving sustainable development. , Hydrogen production by water electrolysis is an emerging and promising method. , However, oxygen evolution reaction (OER) has some inherent disadvantages, including slow kinetics, high theoretical potential (1.23 V vs RHE), and uneconomical products, which hinder the widespread adoption of this method. − To overcome these limitations, researchers have been exploring the urea oxidation reaction (UOR) with a theoretical voltage of only 0.37 V vs RHE to break bottleneck. , Numerous studies have shown that UOR does not impede the generation of H 2 during water electrolysis. Furthermore, when UOR is applied to seawater electrolysis, it can prevent the competition of chlorine evolution reaction and broaden the potential selection range for the hydrogen evolution reaction (HER) .…”

Section: Introductionmentioning

confidence: 99%

Fe-Doped Ni₂P/NiSe₂ Composite Catalysts for Urea Oxidation Reaction (UOR) for Energy-Saving Hydrogen Production by UOR-Assisted Water Splitting

Huang,

Zhan,

et al. 2024

Inorg. Chem.

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The development of efficient urea oxidation reaction (UOR) catalysts helps UOR replace the oxygen evolution reaction (OER) in hydrogen production from water electrolysis. Here, we prepared Fe-doped Ni 2 P/NiSe 2 composite catalyst (Fe−Ni 2 P/NiSe 2 -12) by using phosphating-selenizating and acid etching to increase the intrinsic activity and active areas. Spectral characterization and theoretical calculations demonstrated that electrons flowed through the Ni−P−Fe−interface− Ni−Se−Fe, thus conferring high UOR activity to Fe−Ni 2 P/NiSe 2 -12, which only needed 1.39 V vs RHE to produce the current density of 100 mA cm −2 . Remarkably, this potential was 164 mV lower than that required for the OER under the same conditions. Furthermore, EIS demonstrated that UOR driven by the Fe−Ni 2 P/ NiSe 2 -12 exhibited faster interfacial reactions, charge transfer, and current response compared to OER. Consequently, the Fe−Ni 2 P/NiSe 2 -12 catalyst can effectively prevent competition with OER and NSOR, making it suitable for efficient hydrogen production in UOR-assisted water electrolysis. Notably, when water electrolysis is operated at a current density of 40 mA cm −2 , this UOR-assisted system can achieve a decrease of 140 mV in the potential compared to traditional water electrolysis. This study presents a novel strategy for UOR-assisted water splitting for energy-saving hydrogen production.

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Efficient Palladium Catalysts: Application and Challenges of Electrocatalytic Hydrodechlorination Technology in Wastewater Treatment

Li,

Kong

2023

ChemCatChem

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This review summarizes the research progress of palladium (Pd) catalysts in electrocatalytic hydrodechlorination (ECH) for the removal of chlorinated organic pollutants (COPs). ECH technology is a new type of green water treatment technology without secondary pollution, which has excellent removal effect on COPs. Pd is widely used in the field of ECH due to its excellent catalytic properties. However, the easy deactivation and high price of Pd have limited the application of Pd catalysts in practical wastewater treatment. Researchers have improved the performance of Pd catalysts for ECH by improving the morphological structure (dispersion, particle size, crystalline surface) and electronic states (electron‐rich Pd, electron‐deficient Pd). It is also found that modulation of the adsorption abilities of Pd catalysts can greatly improve the catalytic activity. The factors affecting the stability of Pd catalysts are also investigated, and the future large‐scale mature application of ECH technology is envisioned. The ability to prepare single‐atom Pd catalysts in a relatively simple way is a future direction, which will achieve 100% atom utilization and thus significantly reduce the cost of Pd. This review details the frontier research on Pd catalysts in the field of ECH, which can provide some good strategies for related researchers.

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Syntheses and applications of single-atom catalysts for electrochemical energy conversion reactions

Cited by 13 publications

References 243 publications

Ni₃Se₄/Fe(PO₃)₂/NF composites as high-efficiency electrocatalysts with a low overpotential for the oxygen evolution reaction

Ni₃Se₄/Fe(PO₃)₂/NF composites as high-efficiency electrocatalysts with a low overpotential for the oxygen evolution reaction

Fe-Doped Ni₂P/NiSe₂ Composite Catalysts for Urea Oxidation Reaction (UOR) for Energy-Saving Hydrogen Production by UOR-Assisted Water Splitting

Efficient Palladium Catalysts: Application and Challenges of Electrocatalytic Hydrodechlorination Technology in Wastewater Treatment

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Syntheses and applications of single-atom catalysts for electrochemical energy conversion reactions

Cited by 13 publications

References 243 publications

Ni3Se4/Fe(PO3)2/NF composites as high-efficiency electrocatalysts with a low overpotential for the oxygen evolution reaction

Ni3Se4/Fe(PO3)2/NF composites as high-efficiency electrocatalysts with a low overpotential for the oxygen evolution reaction

Fe-Doped Ni2P/NiSe2 Composite Catalysts for Urea Oxidation Reaction (UOR) for Energy-Saving Hydrogen Production by UOR-Assisted Water Splitting

Efficient Palladium Catalysts: Application and Challenges of Electrocatalytic Hydrodechlorination Technology in Wastewater Treatment

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Ni₃Se₄/Fe(PO₃)₂/NF composites as high-efficiency electrocatalysts with a low overpotential for the oxygen evolution reaction

Ni₃Se₄/Fe(PO₃)₂/NF composites as high-efficiency electrocatalysts with a low overpotential for the oxygen evolution reaction

Fe-Doped Ni₂P/NiSe₂ Composite Catalysts for Urea Oxidation Reaction (UOR) for Energy-Saving Hydrogen Production by UOR-Assisted Water Splitting