Muti‐dimensional High‐entropy Materials for Energy Conversion Reactions: Current State and Future Trends DOI
Yilin Dong, Lihua Zhang, Tong Wu

et al.

ChemSusChem, Journal Year: 2024, Volume and Issue: unknown

Published: July 16, 2024

Abstract The high‐entropy materials (HEMs), composed of five or more elements, have attracted significant attention in electrocatalysis due to their unique physicochemical properties arising from the existence multi‐elements compositions. Beyond chemical composition, microstructure significantly influences catalytic performance and even mechanism towards energy conversion reactions. Given rapid proliferation research on HEMs critical roles performance, a timely comprehensive review recent advancements is imperative. This meticulously examines synthesis methods characteristics with distinct one‐dimensional (1D), two‐dimensional (2D), three‐dimensional (3D) morphologies. By highlighting representative examples past years, we elucidate 1D, 2D, 3D microstructures, detailing intricate influence electrocatalytic aiming spur further this promising area.

Language: Английский

Progress in metal oxide-based electrocatalysts for sustainable water splitting DOI Creative Commons

Aasiya S. Jamadar,

Rohit Sutar,

Susmita S. Patil

et al.

Materials Reports Energy, Journal Year: 2024, Volume and Issue: 4(3), P. 100283 - 100283

Published: July 19, 2024

Metal oxide-based electrocatalysts are promising alternatives to platinum group metals for water splitting due their low cost, abundant raw materials, and impressive stability. This article covers recent progress in various types of metal oxides tailored hydrogen oxygen evolution reactions, discussing crystal structure, composition, surface morphology influence on performance. Strategies like engineering, doping, nanostructuring evaluated enhancing catalytic activity The key considerations commercialization highlighted, emphasizing ongoing research, innovation, future scope drive widespread adoption water-splitting technology a cleaner sustainable future.

Language: Английский

Citations

20
Recent Research on Iridium‐Based Electrocatalysts for Acidic Oxygen Evolution Reaction from the Origin of Reaction Mechanism DOI
Ligang Chen,

Wei Zhao,

Juntao Zhang

et al.

Small, Journal Year: 2024, Volume and Issue: 20(43)

Published: June 28, 2024

As the anode reaction of proton exchange membrane water electrolysis (PEMWE), acidic oxygen evolution (OER) is one main obstacles to practical application PEMWE due its sluggish four-electron transfer process. The development high-performance OER electrocatalysts has become key improving kinetics. To date, although various excellent have been widely researched, Ir-based nanomaterials are still state-of-the-art electrocatalysts. Hence, a comprehensive and in-depth understanding mechanism crucial for precise optimization catalytic performance. In this review, origin nature conventional adsorbate (AEM) derived volcanic relationship on processes summarized some strategies based AEM introduced. further investigate strategy electrocatalysts, several unconventional mechanisms including dual-site lattice mediated mechanism, their applications introduced in detail. Thereafter, active species at classified into surface Ir O species. Finally, future direction prospect put forward.

Language: Английский

Citations

5
Unlocking Fe(III) Ions Improving Oxygen Evolution Reaction Activity and Dynamic Stability of Anodized Nickel Foam DOI
Zanling Huang, Peipei Li,

Meijun Feng

et al.

Inorganic Chemistry, Journal Year: 2024, Volume and Issue: 63(33), P. 15493 - 15502

Published: Aug. 8, 2024

Fe has been reported to play a crucial role in improving the catalytic activity and stability of Ni/Co-based electrocatalysts for oxygen evolution reaction (OER), while effect remains intangible. Here, we design several experiments identify improvement using porous anodized nickel foam (ANF) as electrode 1.0 M KOH containing 1000 μM Fe(III) ions electrolyte. Systematic investigations reveal that Ni sites serve hosts capture create active FeNi-based intermediates on surface ANF improve OER significantly, regulate equilibrium maintain long time. The system exhibits 242 343 mV overpotentials reach 10 mA cm

Language: Английский

Citations

5
Acidic oxygen evolution reaction via lattice oxygen oxidation mechanism: progress and challenges DOI Open Access

Yuhua Xie,

Fang Luo, Zehui Yang

et al.

Energy Materials, Journal Year: 2025, Volume and Issue: 5(3)

Published: Jan. 15, 2025

The lattice oxygen mechanism (LOM) plays a critical role in the acidic evolution reaction (OER) as it provides more efficient catalytic pathway compared to conventional adsorption (AEM). LOM effectively lowers energy threshold of and accelerates rate by exciting atoms catalyst directly participate OER process. In recent years, with increase in-depth understanding LOM, researchers have developed variety iridium (Ir) ruthenium (Ru)-based catalysts, well non-precious metal oxide optimized their performance through different strategies. However, still faces many challenges practical applications, including long-term stability precise modulation active sites, application efficiency real electrolysis systems. Here, we review OER, analyze its difference traditional AEM new (OPM) mechanism, discuss experimental theoretical validation methods pathway, prospect future development electrocatalyst design conversion, aiming provide fresh perspectives strategies for solving current challenges.

Language: Английский

Citations

0
Solid-State Approach to Bimetallic IrRu/C Catalysts Tuning toward Boosted Oxygen Evolution in Acidic Media DOI
Ebrahim Sadeghi, Se Yun Kim, Per Morgen

et al.

ACS Applied Energy Materials, Journal Year: 2025, Volume and Issue: unknown

Published: April 28, 2025

Language: Английский

Citations

0
Plasma-Assisted Surface Engineering of Binary Metal Chalcogenides: A Path Toward High Energy Efficiency, Electrocatalysts for Water Splitting, and Urea Oxidation with Stability Prediction via Machine Learning DOI
Swapnil R. Patil, Rakesh Kulkarni, Sourabh B. Ghode

et al.

ACS Applied Energy Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 12, 2025

Language: Английский

Citations

0
Engineering Ru‐Au‐Mn Trimetallic Nanostructure for High‐Performance Acidic Oxygen Evolution Electrocatalysis DOI
Yuhang Zhang, Shuai Yue, Rong Cao

et al.

ChemCatChem, Journal Year: 2024, Volume and Issue: 16(21)

Published: July 25, 2024

Abstract Developing highly efficient and stable electrocatalysts in acidic media is essential for proton exchange membrane water electrolyzers (PEMWEs). Especially oxygen evolution reaction (OER), high overpotential needed to overcome the thermodynamic energy barrier of splitting. Herein, we report a high‐efficiency self‐supported ternary alloy OER catalyst with activity good durability electrolytes by simple electrodeposition method. The as‐prepared electrocatalyst consists Ru, Au, Mn which deposited on carbon fiber paper (denoted as RuAuMn‐CFP). RuAuMn‐CFP exhibits superior only requires an 131 mV at 10 mA cm −2 outstanding stability 30 h (10 ) media, outperforms commercial Ru/C Ir/C catalysts. Besides, 140 mV, exhibited remarkable mass 29.63 mA/mg OER. It 7.9 times 23.8 higher than catalysts (3.73 mA/mg, 1.24 respectively).

Language: Английский

Citations

1
Facile Immersing Synthesis of Pt Single Atoms Supported on Sulfide for Bifunctional toward Seawater Electrolysis DOI Open Access
Jian Shen, Guotao Yang,

Tianshui Li

et al.

Catalysts, Journal Year: 2024, Volume and Issue: 14(8), P. 477 - 477

Published: July 26, 2024

Seawater electrolysis for hydrogen production represents a substantial opportunity to curtail expenditures and exhibits considerable potential various industrial applications. Platinum-based precious metals exhibit excellent activity water electrolysis. However, their limited reserves high costs impede widespread use on large scale. Single-atom catalysts, characterized by low loading utilization efficiency, represent viable alternative, the development of simple synthesis methods can facilitate practical application. In this work, we report facile single-atom Pt-loaded NiCoFeSx (Pt@NiCoFeSx) bifunctional catalytic electrode using impregnation method nickel foam substrate. The resulting overpotentials both HER (60 mV@10 mA cm−2) OER (201 in alkaline seawater electrolytes. When incorporated into electrolyzer, achieves direct current energy consumption only 4.18 kWh/Nm3H2 over 100 h test period with negligible decay. These findings demonstrate our approach industrial-scale

Language: Английский

Citations

1
Coordination tuning of FeNi‐HMT Framework derived effective hybrid catalysts for water oxidation DOI Open Access

Yunmeng Wang,

Luhong Fu, Jiawei Wu

et al.

ChemSusChem, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 27, 2024

FeNi-based hybrid materials are promising oxygen evolution reaction (OER) catalysts for water electrolysis in hydrogen generation. In this work, the coordination tuning of FeNi-HMT frameworks was achieved by simply changing Fe/Ni ratios using hexamethylenetetramine (HMT) as an organic ligand, and derived FeNi with varied compositions were probed OER. Incorporating varying amounts Fe

Language: Английский

Citations

1
Nanomechanical and Nanoelectrical Analysis of the Proton Exchange Membrane Water Electrolyzer Anode — Impact of Reinforcement Fibers and Porous Transport Layer DOI Creative Commons
Julian Borowec, Lukas Rein,

Nelli Gorin

et al.

Journal of Materials Chemistry A, Journal Year: 2024, Volume and Issue: 13(9), P. 6347 - 6356

Published: Dec. 17, 2024

An operated reinforced membrane electrode assembly anode was analyzed with high resolution. The fiber-reinforcement provided long-term stability, while nanomechanical and nanoelectrical aging especially observed at porous transport layer marks.

Language: Английский

Citations

1