D‐Orbital Manipulated Ru Nanoclusters for High‐Efficiency Overall Water Splitting at Industrial‐Level Current Densities

Advanced Functional Materials, Год журнала: 2023, Номер 34(7)

Опубликована: Окт. 30, 2023

Abstract Owing to the Pt‐like electrocatalytic capability and moderate price, Ru‐based catalysts are considered as Pt alternatives for electrochemical water splitting. However, they demonstrate limited catalytic performance under industrial‐level current densities. Herein, a novel electrocatalyst with an extremely low amount (0.85 wt.%) of Ru nanoclusters anchored on Cr‐doped Fe‐metal–organic frameworks (Ru@Cr─FeMOF) through robust Cr─O─Ru bond is presented. The study unveils that such architecture facilitates fast electron transfer manipulates highest occupied d orbital d‐band centers sites, favoring both oxygen evolution reaction (OER) hydrogen (HER) catalysis. as‐prepared catalyst performs excellent activity 21 mV@10 mA cm −2 HER 230 mV@50 OER in alkaline solution, realizes water‐splitting at densities (1.72 V@1000 ), surpassing state‐of‐the‐art literatures.

Язык: Английский

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Ruthenium‐Based Electrocatalysts for Hydrogen Evolution Reaction: from Nanoparticles to Single Atoms

Small, Год журнала: 2024, Номер 20(45)

Опубликована: Июль 27, 2024

Abstract Benefiting from similar hydrogen bonding energy to Pt and much lower price compare with Pt, Ru based catalysts are promising candidates for electrocatalytic evolution reaction (HER). The catalytic activity of nanoparticles can be enhanced through improving their dispersion by using different supports, the strong metal supports interaction further regulate performance. In addition, single‐atom (SACs) almost 100% atomic utilization attract great attention coordinative atmosphere single atoms adjusted supports. Moreover, syngenetic effects improve performance catalysts. this review, progress HER electrocatalysts summarized according existing forms, including (NPs), (SAs) combination both NPs SAs. common such as carbon materials, oxides, phosphides sulfides classified clarify active centers. Especially, possible mechanisms reasons improved discussed experimental results theoretical calculations. Finally, some challenges opportunities prospected facilitate development HER.

Язык: Английский

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Nanostructure engineering of ruthenium-modified electrocatalysts for efficient electrocatalytic water splitting

Journal of Materials Chemistry A, Год журнала: 2024, Номер 12(7), С. 3844 - 3878

Опубликована: Янв. 1, 2024

This review provides a systematic summary of the nanostructure engineering Ru-modified electrocatalysts for electrocatalytic water splitting. These regulation strategies, such as single atom sites, doping, alloying and interfacial are summarized in detail.

Язык: Английский

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Self-reconstructed ZIF-L/Co(OH)2 heterointerface modulates electronic structure of Ru and boosts electrocatalytic hydrogen evolution

Chemical Engineering Journal, Год журнала: 2024, Номер 490, С. 151926 - 151926

Опубликована: Май 5, 2024

Язык: Английский

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Carbon core–shell Pt nanoparticle embedded porphyrin Co-MOF derived N-doped porous carbon for the alkaline AEM water electrolyzer application

Journal of Materials Chemistry A, Год журнала: 2024, Номер 12(10), С. 5967 - 5979

Опубликована: Янв. 1, 2024

Efficient and durable carbon core-shell Pt@Co nanoparticles interconnected porous electrocatalyst for anion exchange membrane water electrolyzer application.

Язык: Английский

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Self-Assembled rGO-Integrated Cd-MOF as a High-Stability Electrode for Advanced Symmetric and Asymmetric Supercapacitors

Energy & Fuels, Год журнала: 2025, Номер unknown

Опубликована: Янв. 29, 2025

Язык: Английский

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Photocatalytic degradation of methylene blue dye and electrocatalytic water oxidation over copper(II) complex with mixed ligands

Journal of Photochemistry and Photobiology A Chemistry, Год журнала: 2023, Номер 446, С. 115095 - 115095

Опубликована: Авг. 23, 2023

Язык: Английский

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Construction of bifunctional materials with high adsorption and deep photodegradation of bisphenol A by In-MOF decorated with Ag/Ag3PO4

Separation and Purification Technology, Год журнала: 2023, Номер 325, С. 124603 - 124603

Опубликована: Июль 22, 2023

Язык: Английский

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Ru nanoparticles immobilized on self-supporting porphyrinic MOF/nickel foam electrode for efficient overall water splitting

International Journal of Hydrogen Energy, Год журнала: 2024, Номер 57, С. 408 - 419

Опубликована: Янв. 11, 2024

Язык: Английский

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In Situ Reconstructed Layered Double Hydroxides via MOF Engineering and Ru Doping for Decoupled Acidic Water Oxidation Enhancement

Energy & Fuels, Год журнала: 2024, Номер 38(5), С. 4504 - 4515

Опубликована: Фев. 7, 2024

Discovering cost-effective, durable, and economical electrocatalysts for the lattice oxygen- mediated mechanism (LOM)-based oxygen evolution reaction (OER) under acidic conditions is essential advancing commercialization of electrochemical water-splitting devices. In this study, we effectively constructed a distinctive petal-like nanoflake (NFls) structure by introducing ruthenium (Ru) into NiM (M = Fe, Co) metal–organic framework (MOF) on nickel foam (NFo) substrate through straightforward in situ conversion process layered double hydroxides (LDHs). Utilizing unique properties material, Ru-doped NiFe-BDC/NFo exhibited an impressively low overpotential ∼247 mV at current density 10 mA cm–2 when operating environment OER. Most notably, our champion catalysts displayed exceptional long-term stability during continuous operation 20 h 0.5 M H2SO4, positioning them as some top conditions. The catalytic performance Co)-BDC/NFo can be ascribed to introduction Ru LDH MOF. This transformation significantly enhances kinetics facilitates charge transfer, ultimately resulting attainment optimal activity research introduces novel category OER conditions, which has been relatively underexplored.

Язык: Английский

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