High electronegativity of Ag and P in high-entropy materials synergistically promotes efficient water electrolysis

International Journal of Hydrogen Energy, Journal Year: 2025, Volume and Issue: 105, P. 521 - 530

Published: Jan. 25, 2025

Language: Английский

---

Multi-principal element nanoparticles: Synthesis strategies and machine learning prediction

Coordination Chemistry Reviews, Journal Year: 2025, Volume and Issue: 535, P. 216656 - 216656

Published: April 3, 2025

Language: Английский

---

Enhancement of electrocatalytic efficiency by rapid bubble detachment at electrodeposited feather-like FeCoNiCuMn high-entropy alloy porous structure

International Journal of Hydrogen Energy, Journal Year: 2025, Volume and Issue: 113, P. 385 - 394

Published: March 1, 2025

Language: Английский

---

Active Learning‐Driven Discovery of Sub‐2 Nm High‐Entropy Nanocatalysts for Alkaline Water Splitting

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: March 16, 2025

Abstract High‐entropy nanoparticles (HENPs) present a vast opportunity for the development of advanced electrocatalysts. The optimization their chemical compositions, including careful selection and combination elements, is critical to tailoring HENPs specific catalytic processes. To reduce extensive experimental effort involved in composition optimization, active learning techniques can be utilized predict suggest materials with enhanced electrocatalytic activity. In this study, sub‐2 nm high‐entropy catalysts incorporating eight transition metal elements are developed through an workflow aimed at identifying optimal compositions. Using initial data, approach successfully guided discovery new octonary HENP catalyst state‐of‐the‐art performance hydrogen evolution reaction (HER). Catalyst improved within prediction uncertainty machine model. For oxygen (OER), however, model demonstrated limited predictive accuracy, leading assessment workflow's boundaries. These findings underscore how integration curated data accelerate electrocatalyst discovery, while also highlighting areas further refinement.

Language: Английский

---

Phase-Dependent Synthesis of Ru Grown on TiO₂ for Solar Driven H₂ Evolution

ACS Sustainable Chemistry & Engineering, Journal Year: 2025, Volume and Issue: unknown

Published: April 3, 2025

Language: Английский

---

High‐Entropy Metal Ammonium Phosphate Superstructure Nanocatalysts for Highly Efficient Water Oxidation and Methanol Oxidation

Small Methods, Journal Year: 2025, Volume and Issue: unknown

Published: April 8, 2025

Abstract Electrochemical water splitting faces a major challenge due to the sluggish kinetics of oxygen evolution reaction (OER). This study proposes an innovative strategy replace OER with thermodynamically favorable methanol oxidation (MOR) while producing high‐value formic acid. The develops novel series metallic ammonium phosphate electrocatalysts (NPOs·nH 2 O) through facile chemical precipitation method, including high‐entropy FeCoNiCuMn‐NPO·nH O. unique superstructure coupled multi‐element synergy enables abundant active site exposure, optimized electronic configuration, and enhanced charge transfer capability. Remarkably, catalyst demonstrates exceptional bi‐functional performance: achieving ultralow overpotentials 204/289 mV at 10/100 mA cm −2 for OER, requiring only 1.3 V versus RHE deliver 10 in MOR‐assisted electrolysis. Particularly, it exhibits high normalized activity (electrochemically surface area activity: 16.6 , mass 980 mg −1 ) 94% Faradaic efficiency acid production. maintains >120 h stability industrial‐level current density (100 ), outperforming most reported transition metal‐based electrocatalysts. work establishes new paradigm designing structural engineering composition optimization, providing crucial insights sustainable energy conversion biomass valorization.

Language: Английский

---

Advanced Development of High‐Entropy Alloys in Catalytic Applications

Small Methods, Journal Year: 2025, Volume and Issue: unknown

Published: April 15, 2025

Abstract Conventional alloys have long been limited by their simple compositions, which make it difficult to meet the requirements of modern catalysis applications. In contrast, high‐entropy (HEAs), characterized multi‐principal elements in near‐equimolar ratios, become a transformative paradigm materials science since inception 2004. The unique core effects HEAs, including effect, severe‐lattice distortion sluggish‐diffusion and cocktail endow them with superior catalytic properties activity, selectivity, durability. However, rapid advanced development comprehensive review applications is imperative foster deeper understanding. this review, capability commencing from entropy‐driven mechanism HEAs systematically explored. Then, are comprehensively analyzed diverse fields, energy conversion, chemical industries, environmental remediation, emphasizing remarkable capabilities Finally, pivotal challenges outlined synthesis methods, mechanistic elucidation, green manufacturing, propose future directions such as database establishment machine‐learning‐assisted design. By addressing knowledge gaps inspiring innovative strategies, aims accelerate translation into practical solutions for sustainable future.

Language: Английский

---

Unveiling the heterogeneous structure of FeCoNiPdCu High-Entropy Alloy: A case study on electrochemical nitrate reduction

Applied Surface Science, Journal Year: 2025, Volume and Issue: unknown, P. 163269 - 163269

Published: April 1, 2025

Language: Английский

---

Bifunctional high-entropy alloy electrocatalysts for stable overall water splitting at industrial-level current densities

Journal of Materials Chemistry A, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

A scalable plasma-spraying approach affords the FeCoNiCrMn high-entropy alloy catalyst with robust bifunctional OER/HER activity and industrial-grade stability, bridging lab innovation large-scale hydrogen production.

Language: Английский

---