MOF-Based Electrocatalysts: An Overview from the Perspective of Structural Design

Chemical Reviews, Год журнала: 2025, Номер unknown

Опубликована: Фев. 18, 2025

The electrocatalytic technique, as an efficient energy storage and conversion technology, has attracted significant attention to address exhaustion environmental pollution. Usually, the activity selectivity of reactions are largely dominated by dynamic process occurring on electrocatalysts. Therefore, high-performance electrocatalysts, which can dominate pathway barrier reactions, great significance for advancement technique. Metal-organic frameworks (MOFs), emerging crystalline porous materials, present structural component advantages including well-defined structure, high surface area, large porosity, diverse components, easy tailorability, demonstrating fantastic potential precise fabrication In this Review, strategies in electrocatalysts based MOF-related materials specifically introduced from aspects catalytic site design microenvironment modulation around sites. Furthermore, representative progress achieved various applications employing MOF-based is systematically summarized, with special emphasis MOFs performance optimization. Finally, remaining challenges future perspectives further highlighted.

Язык: Английский

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Generating highly active oxide-phosphide heterostructure through interfacial engineering to break the energy scaling relation toward urea-assisted natural seawater electrolysis

Journal of Energy Chemistry, Год журнала: 2024, Номер 97, С. 687 - 699

Опубликована: Июль 14, 2024

Язык: Английский

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Boosting Urea-Assisted Natural Seawater Electrolysis in 3D Leaf-Like Metal–Organic Framework Nanosheet Arrays Using Metal Node Engineering

ACS Applied Materials & Interfaces, Год журнала: 2024, Номер 16(22), С. 28625 - 28637

Опубликована: Май 20, 2024

Metal node engineering, which can optimize the electronic structure and modulate composition of poor electrically conductive metal–organic frameworks, is great interest for electrochemical natural seawater splitting. However, mechanism underlying influence mixed-metal nodes on electrocatalytic activities still ambiguous. Herein, a strategic design comprehensively demonstrated in mixed Ni Co metal redox-active centers are uniformly distributed within NH2–Fe-MIL-101 to obtain synergistic effect overall enhancement activities. Three-dimensional metallic MOF nanosheet arrays, consisting three different nodes, were situ grown foam as highly active stable bifunctional catalyst urea-assisted A well-defined NH2–NiCoFe-MIL-101 reaches 1.5 cm–2 at 360 mV oxygen evolution reaction (OER) 0.6 295 hydrogen (HER) freshwater, substantially higher than its bimetallic monometallic counterparts. Moreover, electrode exhibits eminent catalytic activity stability seawater-based electrolytes. Impressively, two-electrode alkaline electrolysis cell based needs only 1.56 yield 100 mA cm–2, much lower 1.78 V cells superior long-term current density 80 h.

Язык: Английский

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Crystalline Ru-Decorated MOF-Derived Amorphous CoMo-LDH Nanosheet Arrays as Bifunctional Catalysts for Overall Natural Seawater Electrolysis

ACS Applied Materials & Interfaces, Год журнала: 2024, Номер unknown

Опубликована: Сен. 24, 2024

The construction of an amorphous/crystalline heterostructure MOF-derived electrocatalysts offers intriguing pathway to improve hydrogen production efficiency, but it has received little attention. Here, we report crystalline Ru-decorated amorphous CoMo-LDH nanosheet arrays as highly active and robust bifunctional for natural seawater electrolysis. Benefiting from the abundant interfaces, Ru-CoMo-LDH catalyst exhibits excellent activity toward OER under fresh seawater, in particular; requires only 257 406 mV overpotential at 10 500 mA cm

Язык: Английский

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Synthesis of polymetallic oxide nanoarrays as efficient hydrogen evolution reaction electrocatalyst for alkaline seawater and urea splitting

Fuel, Год журнала: 2024, Номер 372, С. 132281 - 132281

Опубликована: Июнь 21, 2024

Язык: Английский

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Metal–organic frameworks (MOFs) for hybrid water electrolysis: structure–property–performance correlation

Chemical Communications, Год журнала: 2024, Номер 60(62), С. 8020 - 8038

Опубликована: Янв. 1, 2024

Structure–property–performance correlation of MOFs for various AORs in hybrid water electrolysis.

Язык: Английский

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Electronic Regulation by Fe-Doped CoP_x Hydrophilic Self-Supported Nanorod Arrays as Bifunctional Electrocatalysts for Superior Overall Seawater Splitting

ACS Sustainable Chemistry & Engineering, Год журнала: 2025, Номер unknown

Опубликована: Янв. 3, 2025

To address the challenge of designing a highly reactive and stable bifunctional electrocatalyst for both hydrogen evolution reaction (HER) oxygen (OER), hydrophilic Fe-CoPx nanorod array on nickel foam (NF) was designed prepared in this work. The modulation d-band center Co by adding Fe effectively optimized adsorption energy intermediates. synergistic effect bimetallic active sites significantly enhanced electrocatalytic performance reactions. In alkaline seawater, Fe-CoPx/NF exhibited excellent HER (−32 mV at −10 mA cm–2) OER (216 10 activities, maintaining stability over 100 h cm–2. For overall seawater electrolysis, catalyst achieved low cell voltage 1.54 V cm–2, outperforming conventional RuO2∥Pt/C electrode (1.58 cm–2). Additionally, simulated industrial flow cell, operated stably 200 indicating its strong potential practical applications. This study introduced simple synthesis method phosphides, providing new avenue design high-performance catalysts electrolysis.

Язык: Английский

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Metal-Organic Framework (MOF) Based Materials: Promising Candidates for Electrocatalytic Seawater Splitting

Materials Chemistry Frontiers, Год журнала: 2024, Номер 8(19), С. 3136 - 3149

Опубликована: Янв. 1, 2024

MOF-based materials for seawater electrolysis have been reviewed with a focus on structure–property–performance.

Язык: Английский

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Design strategies for cost-effective high-performance electrocatalysts in seawater electrolysis to produce hydrogen

Journal of Energy Chemistry, Год журнала: 2024, Номер 102, С. 497 - 515

Опубликована: Ноя. 7, 2024

Язык: Английский

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Highly Electron-Deficient Ternary Metal Fluoride Nanocages for Overall Urea-Assisted Water Electrolysis

ACS Applied Energy Materials, Год журнала: 2025, Номер unknown

Опубликована: Фев. 25, 2025

Язык: Английский

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