Strategies for Designing Anti‐Chlorine Corrosion Catalysts in Seawater Splitting

Advanced Energy Materials, Год журнала: 2025, Номер unknown

Опубликована: Фев. 18, 2025

Abstract The seawater splitting for green hydrogen production is emerging as a key research focus sustainable energy. Nevertheless, the inherent complexity of seawater, with its diverse ion composition – especially chloride ions, calcium and magnesium ions poses significant challenges in catalyst design. Designing highly active electrocatalysts that can resist corrosion during still challenge. This article presents an overview fundamental mechanisms explores issues encountered at both cathode anode electrode. then shifts to chlorine anode, examining recent advances preventing strategies. Notably, these design strategies, such anionic passivation layers, corrosion‐resistant metal doping, physical barrier situ phase transition‐driven desalination, decoupled splitting, are comprehensively investigated, all which aim enhance catalytic stability splitting. review concludes outlook on practical applications producing through

Язык: Английский

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Current Progress in Layered Double Hydroxide-Based Electrocatalyst for Urea Oxidation: Insights into Strategies and Mechanisms

Chemical Communications, Год журнала: 2025, Номер unknown

Опубликована: Янв. 1, 2025

The urea oxidation reaction (UOR) presents a more favorable alternative to the conventional oxygen evolution (OER) for hydrogen production due its lower thermodynamic potential. This method offers advantages over traditional approaches operating conditions and potentially costs. However, complex 6-electron transfer process in UOR limits performance. Researchers are tackling this challenge by designing advanced electrocatalysts with optimized properties, such as porosity, heterostructures, controlled defects, surface functionalization, fine-tuned electronic structures. significant progress catalyst design holds promise future of clean energy technologies. In view this, layered double hydroxides (LDHs) attracting interest their potential role electrolysis synergistic cooperation metals, flexible configuration, tunable composition unique structure. review examines recent advancements synthesis LDH-based catalysts. Beyond highlighting breakthroughs catalysts, critically stresses strategies challenges towards conversion. Moreover, comprehensive approach provides valuable forward-looking perspective on research directions.

Язык: Английский

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Superhydrophilic S‐NiFe LDH by Room Temperature Synthesis for Enhanced Alkaline Water/Seawater Oxidation at Large Current Densities

Small, Год журнала: 2025, Номер unknown

Опубликована: Фев. 4, 2025

Abstract Developing high‐performance oxygen evolution reaction (OER) electrocatalysts that can operate stably at large current densities in seawater plays a crucial role enabling large‐scale hydrogen production, however, it remains significant challenge. Herein, sulfur‐doped NiFe layered double hydroxide nanosheet (S‐NiFe LDH) grown on 3D porous nickel foam skeleton is synthesized through electrochemical deposition and ion‐exchange strategies room temperature as high‐performance, highly selective, durable OER electrocatalyst for electrolysis density. The incorporation of S enhance the conductivity, promote structural reconstruction to form active oxyhydroxides, well improve anti‐corrosion ability chloride ions. Furthermore, due its unique self‐supporting structure superhydrophilicity, which provide abundant sites efficient bubble release, optimized demands minimal overpotential 278 299 mV generate 1000 mA cm −2 alkaline freshwater/seawater, respectively, confirming excellent activity. Meanwhile, also demonstrates exceptional stability both media, maintains stable performance duration 200 h 500 . present work offers an strategy innovative viewpoint developing electrolysis.

Язык: Английский

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Functionalization Strategies of MXene Architectures for Electrochemical Energy Storage Applications

Energies, Год журнала: 2025, Номер 18(5), С. 1223 - 1223

Опубликована: Март 2, 2025

MXene, an emerging class of two-dimensional materials, has garnered significant attention in electrochemical energy storage applications due to its high specific surface area, tunable functional groups, excellent electrical conductivity, and mechanical stability. However, their practical application devices remains challenged by issues such as the stacking layered structure, degradation, limited ion diffusion properties. Functionalization emerged a key strategy enhance performance MXene materials. By modulating doping with various elements, integrating other researchers have significantly improved chemical stability, transport properties, strength MXenes. This review provides comprehensive overview categorizing them highlighting advantages applications. It also examines recent advancements preparation optimized synthesis strategies. In-depth discussions are presented on functionalization MXenes devices, including supercapacitors, lithium-ion batteries, sodium-ion batteries. Finally, concludes summary explores future research directions, aiming guide further developments field.

Язык: Английский

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Deep eutectic Solvents-Assisted synthesis of NiFe-LDHs/Mo2Ti2C3: A bifunctional electrocatalyst for overall electrochemical water splitting in alkaline media

Journal of Colloid and Interface Science, Год журнала: 2024, Номер 678, С. 1036 - 1048

Опубликована: Сен. 6, 2024

Язык: Английский

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Multiphasic interfaces boost hydrogen evolution reaction of bifunctional NiFe LDH electrocatalyst via sulfur-phosphorus co-thermal treatment for efficient overall water-splitting

Journal of Alloys and Compounds, Год журнала: 2025, Номер unknown, С. 179074 - 179074

Опубликована: Фев. 1, 2025

Язык: Английский

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Insights into role of advanced 2D materials for sustainable hydrogen production through seawater electrolysis

International Journal of Hydrogen Energy, Год журнала: 2025, Номер 133, С. 520 - 545

Опубликована: Май 5, 2025

Язык: Английский

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MXene Electrocatalysts: Transformative Approaches in Hydrogen Production with Alternative Anode Reactions

Small, Год журнала: 2024, Номер unknown

Опубликована: Ноя. 18, 2024

Water electrolyzer is crucial for producing clean hydrogen, but the traditional approach faces challenges owing to oxygen evolution reaction (OER) slow kinetics at anode. Hybrid water splitting replaces OER with oxidation of an organic molecule enhance hydrogen production along value-added products. The scarcity affordable and highly effective catalysts remains a major challenge. MXene, 2D nanomaterial, has gained substantial attention its enviable properties, instance high conductivity, hydrophilicity, surface area. This review discusses experimental methods synthesizing MXene MXene-based nanocomposites. Furthermore, small molecules such as benzyl alcohol, methanol, ethanol, urea, hydrazine, furfural, formic acid alternatives examined. Finally, understanding imminent research development MXene-associated materials in electrocatalytic applications are presented.

Язык: Английский

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Charge-redistributed RuNi/MoN heterojunction enables efficient hydrogen evolution in a wide pH range

Journal of Colloid and Interface Science, Год журнала: 2024, Номер 683, С. 46 - 54

Опубликована: Дек. 8, 2024

Язык: Английский

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