eScience, Journal Year: 2025, Volume and Issue: unknown, P. 100375 - 100375
Published: Jan. 1, 2025
Language: Английский
Energy & Environmental Science, Journal Year: 2023, Volume and Issue: 17(1), P. 49 - 113
Published: Nov. 7, 2023
This perspective highlights recent advancements in innovative strategies to provide valuable insights into the potential for energy-saving hydrogen production through water electrolysis.
Language: Английский
Citations
187
ACS Nano, Journal Year: 2023, Volume and Issue: 17(21), P. 20804 - 20824
Published: Nov. 3, 2023
The splitting of water through electrocatalysis offers a sustainable method for the production hydrogen. In alkaline electrolytes, lack protons forces dissociation to occur before hydrogen evolution reaction (HER). While pure Pt is gold standard electrocatalyst in acidic since 5d orbital nearly fully occupied, when it overlaps with molecular water, generates Pauli repulsion. As result, formation Pt–H* bond an environment difficult, which slows HER and negates benefits using catalyst. To overcome this limitation, can be alloyed transition metals, such as Fe, Co, Ni. This approach has potential not only enhance performance but also increase dispersion decrease its usage, thus overall improving catalyst's cost-effectiveness. excellent adsorption ability metals contributes generation proton-rich local near Pt-based alloy that promotes HER. Significant progress been achieved comprehending mechanism manipulation structure composition electrocatalysts based on alloy. objective review analyze condense latest developments It focuses modified alloys clarifies design principles catalytic catalysts from both experimental theoretical perspective. highlights some difficulties encountered during opportunities increasing performance. Finally, guidance development more efficient provided.
Language: Английский
Citations
89
Advanced Materials, Journal Year: 2024, Volume and Issue: unknown
Published: June 10, 2024
Abstract Electrocatalytic water splitting driven by sustainable energy is a clean and promising water‐chemical fuel conversion technology for the production of high‐purity green hydrogen. However, sluggish kinetics anodic oxygen evolution reaction (OER) pose challenges large‐scale hydrogen production, limiting its efficiency safety. Recently, OER has been replaced nucleophilic oxidation (NOR) with biomass as substrate coupled (HER), which attracted great interest. Anode NOR offers faster kinetics, generates high‐value products, reduces consumption. By coupling reaction, can be enhanced while yielding products or degrading pollutants. Therefore, NOR‐coupled HER another new electrolytic strategy after significance realizing development global decarbonization. This review explores potential reactions an alternative to delves into mechanisms, guiding future research in production. It assesses different methods, analyzing pathways catalyst effects. Furthermore, it evaluates role electrolyzers industrialized discusses prospects challenges. comprehensive aims advance efficient economical
Language: Английский
Citations
42
Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(27)
Published: March 5, 2024
Abstract Electrocatalytic hydrogen evolution and (S 2− ) recycling present promising strategies for cost‐effective production simultaneous removal of environmental pollutants. However, the advancement this technology is hindered by limited availability affordable, efficient, stable catalysts. Herein, study synthesizes ultrafine ruthenium (Ru) nanoclusters on a substrate iron molybdenum sulfide (FeMo‐S) nanosheets, creating new heterointerface catalyst (FeMo‐S/Ru) reaction (HER) sulfion oxidation (SOR). Experimental theoretical calculations suggest that strong electron interactions between Ru FeMo‐S substrate, optimizing *H adsorption promoting HER activity one side while facilitating sulfur intermediates other side, effectively catalyzing SOR. Additionally, assembled electrocatalytic coupling system with FeMo‐S/Ru displays an ultralow cell voltage 0.57 V at 100 mA cm −2 , achieving high Faradaic efficiencies (>96%) H 2 production, also exhibiting remarkable durability over 1 month (838 h). This work paves way development highly efficient durable supported catalysts, enabling energy‐saving environmentally friendly recycling.
Language: Английский
Citations
23
Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(33)
Published: March 30, 2024
Abstract Integration of more thermodynamically favorable valorization biomass (e.g., glycerol), compared to sluggish oxygen evolution, with H 2 production is great significance for energy‐saving electrosynthesis value‐added chemicals. However, its widespread deployment has been challenged by costly electrocatalysts and large overpotential reaching an industrial‐relevant current density (≥400 mA cm −2 ). Herein, carbon shell‐encapsulated manganese‐doped cobalt nitride nanoarrays immobilizing on nickel foam, denoted Mn‐CoN@C/NF, are crafted via hydrothermal method ammoniation. As a bifunctional electrocatalyst, the Mn‐CoN@C/NF manifests extraordinary activity glycerol oxidation reaction (GOR) ultralow potential 1.37 V (versus RHE) at 400 , in conjunction evolution (HER) low 31 mV 10 . A record high Faradaic efficiency (97.7%) formate GOR delivered 1.35 (vs RHE). Impressively, two‐electrode electrolyzer capitalizing as catalysts reaches 800 1.83 V, delivering electricity‐saving 15.0% pure water splitting. DFT calculations substantiate that Mn species within Mn‐CoN not only optimize hydrogen adsorption kinetics HER, but also elevate Co 3+ active sites’ GOR. This work offers efficient avenue coproduction valuable
Language: Английский
Citations
23
Carbon Energy, Journal Year: 2025, Volume and Issue: unknown
Published: Jan. 7, 2025
Abstract Selective oxidation of amines to imines through electrocatalysis is an attractive and efficient way for the chemical industry produce nitrile compounds, but it limited by difficulty designing catalysts lack understanding mechanism catalysis. Herein, we demonstrate a novel strategy generation oxyhydroxide layers on two‐dimensional iron‐doped layered nickel phosphorus trisulfides (Ni 1− x Fe PS 3 ) during benzylamine (BA). In‐depth structural surface characterizations electrocatalytic process combined with theoretical calculations reveal that Ni (1− undergoes reconstruction under alkaline conditions form metal oxyhydroxide/phosphorus trichalcogenide (NiFeOOH/Ni heterostructure. Interestingly, generated heterointerface facilitates BA low onset potential 1.39 V Faradaic efficiency 53% benzonitrile (BN) synthesis. Theoretical further indicate as‐formed NiFeOOH/Ni heterostructure could offer optimum free energy adsorption BN desorption, resulting in promising
Language: Английский
Citations
2
Journal of Colloid and Interface Science, Journal Year: 2025, Volume and Issue: unknown
Published: Jan. 1, 2025
Language: Английский
Citations
2
Nano Energy, Journal Year: 2024, Volume and Issue: 127, P. 109727 - 109727
Published: May 14, 2024
Language: Английский
Citations
15
Small Methods, Journal Year: 2024, Volume and Issue: unknown
Published: Feb. 22, 2024
Abstract Developing efficient electrocatalysts is significant for the commercial application of electrocatalytic water splitting. 2D materials have presented great prospects in electrocatalysis their high surface‐to‐volume ratio and tunable electronic properties. Particularly, MXene emerges as one most promising candidates electrocatalysts, exhibiting unique advantages hydrophilicity, outstanding conductivity, exceptional stability. However, it suffers from lacking catalytic active sites, poor oxidation resistance, easy stacking, leading to a suppression performance. Combining with other an effective way tackle aforementioned drawbacks. In this review, focus on accurate synthesis 2D/2D MXene‐based catalysts toward First, mechanisms splitting relative properties preparation methods MXenes are introduced offer basis catalysts. Then, various categories catalysts, such wet‐chemical, phase‐transformation, electrodeposition, etc., systematically elaborated. Furthermore, in‐depth investigations conducted into internal interactions structure‐performance relationship Finally, current challenges future opportunities proposed development aiming enlighten these nanomaterials
Language: Английский
Citations
14
Journal of the American Chemical Society, Journal Year: 2024, Volume and Issue: 146(39), P. 27090 - 27099
Published: Sept. 21, 2024
In pursuit of advancing the electrooxidation amines, which is typically encumbered by inertness C(sp
Language: Английский
Citations
14