Hierarchical metal–organic framework nanoarchitectures for catalysis DOI Open Access
Bin Zhao, Ji Han, Bohan Liu

et al.

Chemical Synthesis, Journal Year: 2024, Volume and Issue: 4(3)

Published: July 8, 2024

Metal–organic frameworks (MOFs) have garnered significant attention in the field of catalysis due to their unique advantages such as diverse coordination geometry, variable metal nodes, and organic linkers, facilitating precise structural compositional control for achieving programmable catalytic functionalities. Although inherent microporous structure could provide excellent shape selectivity during catalysis, it typically impedes mass transfer process, thereby reducing use internal active sites overall efficiency. Additionally, employing single MOFs catalysts presents challenges complex reactions that require multifunctional sites. In recent years, considerable research efforts focused on designing constructing hierarchical nanostructured alleviate substrate diffusion limitations by introducing secondary nanopores, shortening distances via construction low-dimensional nanoarchitectures, integrating distinct with suitable functions. This review provides a comprehensive overview design, synthesis methods, formation mechanisms MOF-based nanostructures years. Subsequently, further highlights applications thermal electrocatalysis, photocatalysis, along relationship between performances. Finally, an outlook potential development directions hierarchically structured MOF nanocatalysts.

Language: Английский

Tailoring Oxygen Reduction Reaction Kinetics of Fe−N−C Catalyst via Spin Manipulation for Efficient Zinc–Air Batteries DOI
Huiwen Zhang, Hsiao‐Chien Chen,

Solmaz Feizpoor

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(25)

Published: April 9, 2024

The interaction between oxygen species and metal sites of various orbitals exhibits intimate correlation with the reduction reaction (ORR) kinetics. Herein, a new approach for boosting inherent ORR activity atomically dispersed Fe-N-C matrix is represented by implanting Fe atomic clusters nearby. as-prepared catalyst delivers excellent half-wave potentials 0.78 0.90 V in acidic alkaline solutions, respectively. decent can also be validated from high-performance rechargeable Zn-air battery. experiments density functional theory calculations reveal that electron spin-state monodispersed active transferred low spin (LS, t

Language: Английский

Citations

106
Mesoporous carbon spheres with programmable interiors as efficient nanoreactors for H2O2 electrosynthesis DOI Creative Commons
Qiang Tian, Lingyan Jing,

Hongnan Du

et al.

Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)

Published: Feb. 1, 2024

Abstract The nanoreactor holds great promise as it emulates the natural processes of living organisms to facilitate chemical reactions, offering immense potential in catalytic energy conversion owing its unique structural functionality. Here, we propose utilization precisely engineered carbon spheres building blocks, integrating micromechanics and controllable synthesis explore their functionalities two-electron oxygen reduction reactions. After conducting rigorous experiments simulations, present compelling evidence for enhanced mass transfer microenvironment modulation effects offered by these mesoporous hollow spheres, particularly when possessing a suitably sized architecture. Impressively, pivotal achievement lies successful screening potent, selective, durable reaction catalyst direct medical-grade hydrogen peroxide disinfectant. Serving an exemplary demonstration engineering screening, this work highlights various well-designed carbon-based nanoreactors extensive applications.

Language: Английский

Citations

65
Unlocking Efficiency: Minimizing Energy Loss in Electrocatalysts for Water Splitting DOI Creative Commons
Wenxian Li, Yang Liu,

Ashraful Azam

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: unknown

Published: June 25, 2024

Abstract Catalysts play a crucial role in water electrolysis by reducing the energy barriers for hydrogen and oxygen evolution reactions (HER OER). Research aims to enhance intrinsic activities of potential catalysts through material selection, microstructure design, various engineering techniques. However, consumption has often been overlooked due intricate interplay among catalyst microstructure, dimensionality, catalyst–electrolyte–gas dynamics, surface chemistry, electron transport within electrodes, transfer electrode components. Efficient development high‐current‐density applications is essential meet increasing demand green hydrogen. This involves transforming with high into electrodes capable sustaining current densities. review focuses on improvement strategies mass exchange, charge transfer, resistance decrease consumption. It bridge gap between laboratory‐developed, highly efficient industrial regarding structural catalyst‐electrode interplay, outlining roadmap hierarchically structured electrode‐based minimizing loss electrocatalysts splitting.

Language: Английский

Citations

36
Constructing host–guest recognition electrolytes promotes the Li+ kinetics in solid-state batteries DOI
Qing Liu, Yang Li, Zhiyuan Mei

et al.

Energy & Environmental Science, Journal Year: 2024, Volume and Issue: 17(2), P. 780 - 790

Published: Jan. 1, 2024

Ti-MOFs with synergetic various sites are designed to serve as a “host” platform for GPE tune the electrolyte properties. This unique system can improve Li + ion conduction, mechanical strength and ability withstand high voltage.

Language: Английский

Citations

30
Hierarchically Ordered Pore Engineering of Metal–Organic Framework‐Based Materials for Electrocatalysis DOI
Xiaofang Li,

Xin‐Tao Wu,

Qiang Xü

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(27)

Published: April 17, 2024

Abstract Ordered pore engineering that embeds uniform pores with periodic alignment in electrocatalysts opens up a new avenue for achieving further performance promotion. Hierarchically ordered porous metal–organic frameworks (HOP‐MOFs) possessing multilevel distribution are the promising precursors exploration of electrocatalysts, while scalable acquisition HOP‐MOFs editable components and adjustable size regimes is critical. This review presents recent progress on hierarchically MOF‐based materials enhanced electrocatalysis. The synthetic strategies different regimes, including self‐assembly guided by reticular chemistry, surfactant, nanoemulsion, nanocasting, first introduced. Then applications as exploring summarized, selecting representatives to highlight boosted performance. Especially, intensification molecule ion transport integrated optimized electron transfer site exposure over derivatives emphasized clarify directional integration effect endowed engineering. Finally, remaining scientific challenges an outlook this field proposed. It hoped will guide nanocatalysts boosting catalytic promoting practical applications.

Language: Английский

Citations

27
Selective oxygen reduction reaction: mechanism understanding, catalyst design and practical application DOI Creative Commons
Shilong Li, Lei Shi, Yingjie Guo

et al.

Chemical Science, Journal Year: 2024, Volume and Issue: 15(29), P. 11188 - 11228

Published: Jan. 1, 2024

The oxygen reduction reaction (ORR) is a key component for many clean energy technologies and other industrial processes. However, the low selectivity sluggish kinetics of ORR catalysts have hampered conversion efficiency real application these new mentioned before. Recently, tremendous efforts been made in mechanism understanding, electrocatalyst development system design. Here, comprehensive critical review provided to present recent advances field electrocatalytic ORR. two-electron four-electron transfer catalytic mechanisms evaluation parameters are discussed first. Then, up-to-date synthetic strategies

Language: Английский

Citations

26
Superstructured Carbon with Enhanced Kinetics for Zinc‐Air Battery and Self‐Powered Overall Water Splitting DOI
Jiamin Wei,

Jiali Lou,

Weibo Hu

et al.

Small, Journal Year: 2024, Volume and Issue: 20(24)

Published: Jan. 6, 2024

Abstract The present study proposes a novel engineering concept for the customization of functionality and construction superstructure to fabricate 2D monolayered N‐doped carbon electrocatalysts decorated with Co single atoms or 2 P nanoparticles derived from bimetallic ZnCo‐ZIF precursors. hierarchically porous maximizes exposure accessible active sites, enhances electron/mass transport efficiency, accelerates reaction kinetics simultaneously. Consequently, embedded (Co‐NCS) exhibits remarkable catalytic activity toward oxygen reduction reaction, achieving half‐wave potential 0.886 V versus RHE. Additionally, (Co P‐NCS) demonstrates high both evolution hydrogen delivering low overpotentials 292 mV at 10 mA cm −2 193 respectively. Impressively, when employed in an assembled rechargeable Zn‐air battery, as‐prepared exhibit exceptional performance peak power density 219 mW minimal charge/discharge voltage gap only 1.16 100 . Moreover, cell required drive overall water‐splitting electrolyzer current is merely 1.69 using these catalysts as electrodes.

Language: Английский

Citations

20
Mesopore and macropore engineering in metal–organic frameworks for energy environment-related applications DOI
Xin Yu, Yue Cao, Jie Yang

et al.

Journal of Materials Chemistry A, Journal Year: 2024, Volume and Issue: 12(9), P. 4931 - 4970

Published: Jan. 1, 2024

The fabrication strategies of mesopores and macropores in metal–organic frameworks (MOFs) their emerging applications are summarized. In addition, the challenges future perspectives pore engineering MOF design also indicated.

Language: Английский

Citations

20
Hierarchically porous three-dimensional-ordered macro-microporous metal-organic frameworks: Design, precise synthesis, and applications DOI

Shilong Wen,

Qiuju Fu,

Liting Yan

et al.

Coordination Chemistry Reviews, Journal Year: 2024, Volume and Issue: 517, P. 215996 - 215996

Published: June 19, 2024

Language: Английский

Citations

18
MOF-Based Electrocatalysts: An Overview from the Perspective of Structural Design DOI

Nana Sun,

Syed Shoaib Ahmad Shah, Zhongyuan Lin

et al.

Chemical Reviews, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 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.

Language: Английский

Citations

8