Опубликована: Апрель 1, 2025
Язык: Английский
CHINESE JOURNAL OF CATALYSIS (CHINESE VERSION), Год журнала: 2024, Номер 61, С. 269 - 280
Опубликована: Июнь 1, 2024
Язык: Английский
Процитировано
7
ACS Catalysis, Год журнала: 2024, Номер 14(21), С. 16353 - 16362
Опубликована: Окт. 22, 2024
Язык: Английский
Процитировано
7
Applied Catalysis B Environment and Energy, Год журнала: 2025, Номер unknown, С. 125409 - 125409
Опубликована: Апрель 1, 2025
Язык: Английский
Процитировано
1
Advanced Science, Год журнала: 2024, Номер unknown
Опубликована: Июль 11, 2024
Abstract Developing efficient electrocatalysts for water splitting is of great significance realizing sustainable energy conversion. In this work, Ru sub‐nanoclusters anchored on cobalt‐nickel bimetallic phosphides (Ru‐CoP/Ni 2 P) are constructed by an interfacial confinement strategy. Remarkably, Ru‐CoP/Ni P with low noble metal loading (33.1 µg cm −2 ) shows superior activity hydrogen evolution reaction (HER) in all pH values, whose turnover frequency (TOF) 8.7, 15.3, and 124.7 times higher than that Pt/C acidic, alkaline, neutral conditions, respectively. Meanwhile, it only requires the overpotential 171 mV@10 mA oxygen (OER) corresponding TOF 20.3 RuO . More importantly, P||Ru‐CoP/Ni displays mass 4017 mg −1 at 2.0 V flowing alkaline electrolyzer, which 105.1 Pt/C||IrO situ Raman spectroscopy demonstrates sites play a key role follow adsorption mechanism toward OER. Further studies disclose confined atom contributes to desorption H during HER formation O‐O bond OER, leading fast kinetics. This study emphasizes importance interface enhancing electrocatalytic activity.
Язык: Английский
Процитировано
6
Journal of Alloys and Compounds, Год журнала: 2024, Номер 996, С. 174868 - 174868
Опубликована: Май 16, 2024
Язык: Английский
Процитировано
4
Angewandte Chemie International Edition, Год журнала: 2024, Номер 63(44)
Опубликована: Июль 16, 2024
The productions of hydrogen peroxide (H
Язык: Английский
Процитировано
4
Advanced Functional Materials, Год журнала: 2024, Номер unknown
Опубликована: Сен. 27, 2024
Abstract Asymmetric coordination has emerged as a promising approach to enhance the oxygen evolution reaction (OER) activity, yet achieving controlled synthesis of asymmetric structures comprehensively understand structure‐activity relationship remains challenging. In this study, facile and effective symmetry‐breaking strategy is reported for tailoring MO 5 S 1 ‐type metal–organic frameworks (MOFs) catalyst, establishing correlation between sulfur (S)‐mediated electron rearrangement adsorption/desorption dynamics oxygen‐related intermediates in OER. Experimental theoretical calculations reveal that well‐designed structure can effectively lower d‐band center, optimizing adsorption behavior OH * significantly decreasing energy barrier rate‐determining step (OH → O ) with enhanced O–H bond cleavage process. The S‐NiFe‐MOF/CFP catalyst demonstrates remarkable OER performance an alkaline electrolyte environment. More importantly, self‐assembled anion exchange membrane water electrolysis cell showcases low voltage 1.84 V deliver current density A cm −2 , maintaining long‐term stability over 100 h. This study unveils precise employing S, highlighting critical role manipulating redistribution through promote catalytic activity develop advanced MOF‐based catalysts.
Язык: Английский
Процитировано
4
Applied Physics Reviews, Год журнала: 2024, Номер 11(2)
Опубликована: Май 22, 2024
The utilization of water electrolysis for green hydrogen (H2) production, powered by renewable energy, is a promising avenue sustainable development. Proton-exchange-membrane (PEMWE) stands out as one the most efficient H2 production technologies. However, implementing it on an industrial scale faces substantial challenges, particularly regarding oxygen evolution reaction (OER). OER, critical process with inherently slow kinetics requiring additional potential, significantly influences overall water-splitting efficiency. Most OER electrocatalysts in PEMWE struggle poor stability harsh acidic environments at high oxidative potentials. While rare-earth metal oxides, such iridium or ruthenium offer commercial oxygen-evolving (OECs), their use depends achieving economically and sustainably viable operations. An alternative approach involves developing low- non-noble metal-based OECs sustaining activity long-term durability. Although materials currently exhibit lower than noble-based OECs, notable progress has been made enhancing performance. This review provides overview recent advancements designing acidic-stable based low without noble contents. It delves into thermodynamics degradation mechanisms media, evaluation parameters stability, strategies active acid-stable challenges opportunities acid electrolysis. Through detailed analysis these aspects, aims to identify engineering actively durable OECs.
Язык: Английский
Процитировано
3
Nanoscale, Год журнала: 2024, Номер 16(26), С. 12492 - 12501
Опубликована: Янв. 1, 2024
The surface electronic structure and morphology of catalysts have a crucial impact on the electrocatalytic hydrogen evolution reaction performance. This work reports fabrication Ru-doped WP/WP2 heterojunction nanosheet array electrode via one-step phosphating treatment WO3 precursor. Benefitting from large electrochemical active arrays, rich interface, trace Ru atom doping, catalyst has fairly low overpotential 58.0 mV at 10 mA cm-2 Tafel slope 50.71 dec-1 in acid solution toward HER. Further, theoretical calculations unveil that doping interface effect synergistically optimized hence weakened adsorption capacity (H), which lowered Gibbs free energy (ΔGH*) consequently effectively improved HER may open new avenues for developing advanced nanoarray electrodes with efficient conversion.
Язык: Английский
Процитировано
3
ACS Applied Nano Materials, Год журнала: 2024, Номер 7(12), С. 14609 - 14620
Опубликована: Июнь 7, 2024
Язык: Английский
Процитировано
3