Europium Oxide Evoked Multisite Synergism to Facilitate Water Dissociation for Alkaline Hydrogen Evolution

Advanced Functional Materials, Год журнала: 2024, Номер unknown

Опубликована: Июль 2, 2024

Abstract Exploring an efficient nonnoble metal catalyst for hydrogen evolution reaction (HER) is critical industrial alkaline water electrolysis. However, it remains a great challenge due to the additional energy required H─OH bond cleavage and lack of enough H 2 O adsorption sites most catalysts. Herein, integration oxophilic Eu 3 with NiCo alloy evoked multisite synergism facilitate dissociation HER proposed. The optimized ‐NiCo exhibits excellent activity low overpotential only 60 mV at 10 mA cm −2 good electrochemical stability, which superior that ‐free comparable benchmark Pt/C. key roles on enhanced performance are identified by in situ Raman spectroscopy theoretical calculations. It discovered strong oxophilicity facilitates breakage bonding while evoking electron redistribution /NiCo interface accelerating Volmer step HER. Furthermore, obtained as both anode cathode displays overall water‐splitting stability 1.0 M KOH solution. believed this study provides important inspiration design high‐performance electrocatalysts toward based rare‐earth materials.

Язык: Английский

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Insight into synergy of Mn active sites and spin polarization electrons in Mn-incorporated ZnIn2S4 for boosting photocatalytic hydrogen evolution coupled with benzyl alcohol oxidation

Chemical Engineering Journal, Год журнала: 2025, Номер unknown, С. 159957 - 159957

Опубликована: Янв. 1, 2025

Язык: Английский

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Exploring the properties, types, and performance of atomic site catalysts in electrochemical hydrogen evolution reactions

Chemical Society Reviews, Год журнала: 2025, Номер unknown

Опубликована: Янв. 1, 2025

This review investigates atomic site catalysts (ASCs) for electrochemical hydrogen evolution reaction (HER), discussing their properties, types, performance, significance, activity, selectivity, stability, challenges, and future research directions.

Язык: Английский

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RuxMoS2 interfacial heterojunctions achieve efficient overall water splitting and stability in both alkaline and acidic media under large current density exceeding 100 mA cm-2

Molecular Catalysis, Год журнала: 2024, Номер 570, С. 114710 - 114710

Опубликована: Ноя. 22, 2024

Язык: Английский

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Electrochemical N–N Oxidatively Coupled Dehydrogenation of 3,5-Diamino-1H-1,2,4-triazole for Value-Added Chemicals and Bipolar Hydrogen Production

Journal of the American Chemical Society, Год журнала: 2025, Номер unknown

Опубликована: Март 8, 2025

Electrochemical H2 production from water favors low-voltage molecular oxidation to replace the oxygen evolution reaction as an energy-saving and value-added approach. However, there exists a mismatch between high demand for slow anodic reactions, restricting practical applications of such hybrid systems. Here, we propose bipolar approach, with generation N–N oxidatively coupled dehydrogenation (OCD) 3,5-diamino-1H-1,2,4-triazole (DAT), in addition cathodic generation. The system requires relatively low potentials 0.872 1.108 V vs RHE reach 10 500 mA cm–2, respectively. H-type electrolyzer only 0.946 1.129 deliver 100 respectively, electricity consumption (1.3 kWh per m3 H2) reduced by 68%, compared conventional splitting. Moreover, process is highly appealing due absence traditional hazardous synthetic conditions azo compounds at anode crossover/mixing H2/O2 electrolyzer. A flow-type operates stably cm–2 300 h. Mechanistic studies reveal that Pt single atom nanoparticle (Pt1,n) optimize adsorption S active sites over Pt1,n@VS2 catalysts. At anode, stepwise −NH2 DAT then oxidative coupling −N–N– predominantly form while generating H2. present report paves new way atom-economical aminotriazole green electrosynthesis chemicals.

Язык: Английский

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MXene and Ru doping co-enhanced the hydrogen evolution reaction performance of cobalt pyridinedicarboxylic coordinated polymer

Journal of Colloid and Interface Science, Год журнала: 2025, Номер 690, С. 137278 - 137278

Опубликована: Март 9, 2025

Язык: Английский

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Electronic modulation of amorphous/crystalline NiFe LDH by atomic Pt loading enabling industrial hydrogen production in alkaline water and seawater

Journal of Energy Chemistry, Год журнала: 2025, Номер unknown

Опубликована: Апрель 1, 2025

Язык: Английский

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Deciphering the role of ultra-low-loaded rhodium in NiFe-MIL-53 for superior oxygen evolution reaction

Journal of Energy Chemistry, Год журнала: 2024, Номер 100, С. 77 - 86

Опубликована: Авг. 23, 2024

Язык: Английский

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Alkaline capacity decay induced vacancy-rich LDH for high-performance magnesium ions hybrid supercapacitor

Journal of Colloid and Interface Science, Год журнала: 2024, Номер 679, С. 43 - 53

Опубликована: Сен. 27, 2024

Язык: Английский

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Boosting hydrogen evolution on M-Pt-S (M = VIB Cr, Mo, W) via facile electroreduction and electrodeposition

Journal of Electroanalytical Chemistry, Год журнала: 2025, Номер unknown, С. 119076 - 119076

Опубликована: Март 1, 2025

Язык: Английский

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