Designing a Built-In Electric Field for Efficient Energy Electrocatalysis

ACS Nano, Journal Year: 2022, Volume and Issue: 16(12), P. 19959 - 19979

Published: Dec. 15, 2022

To utilize intermittent renewable energy as well achieve the goals of peak carbon dioxide emissions and neutrality, various electrocatalytic devices have been developed. However, reactions, e.g., hydrogen evolution reaction/oxygen reaction in overall water splitting, polysulfide conversion lithium–sulfur batteries, formation/decomposition lithium peroxide lithium–oxygen nitrate reduction to degrade sewage, suffer from sluggish kinetics caused by multielectron transfer processes. Owing merits accelerated charge transport, optimized adsorption/desorption intermediates, raised conductivity, regulation microenvironment, ease combine with geometric characteristics, built-in electric field (BIEF) is expected overcome above problems. Here, we give a Review about very recent progress BIEF for efficient electrocatalysis. First, construction strategies characterization methods (qualitative quantitative analysis) are summarized. Then, up-to-date overviews engineering electrocatalysis, attention on electron structure optimization microenvironment modulation, analyzed discussed detail. In end, challenges perspectives proposed. This gives deep understanding design electrocatalysts next-generation storage devices.

Language: Английский

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Recent Advances on Transition‐Metal‐Based Layered Double Hydroxides Nanosheets for Electrocatalytic Energy Conversion

Advanced Science, Journal Year: 2023, Volume and Issue: 10(13)

Published: March 3, 2023

Abstract Transition‐metal‐based layered double hydroxides (TM‐LDHs) nanosheets are promising electrocatalysts in the renewable electrochemical energy conversion system, which regarded as alternatives to noble metal‐based materials. In this review, recent advances on effective and facile strategies rationally design TM‐LDHs electrocatalysts, such increasing number of active sties, improving utilization sites (atomic‐scale catalysts), modulating electron configurations, controlling lattice facets, summarized compared. Then, these fabricated for oxygen evolution reaction, hydrogen urea oxidation nitrogen reduction small molecule oxidations, biomass derivatives upgrading is articulated through systematically discussing corresponding fundamental principles reaction mechanism. Finally, existing challenges density catalytically future prospects nanosheets‐based each application also commented.

Language: Английский

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Enabling Internal Electric Fields to Enhance Energy and Environmental Catalysis

Advanced Energy Materials, Journal Year: 2023, Volume and Issue: 13(11)

Published: Jan. 29, 2023

Abstract Recent years have witnessed an upsurge of interest in exploiting advanced photo‐/electrocatalysts for efficient energy conversion and environmental remediation. Constructing internal electric fields has been highlighted as a rising star to help facilitate various catalytic processes, with the merits promoting charge transfer/separation, optimizing redox potential creating effective active/adsorption sites. Internal are usually formed by polarization uneven distributions between different constituent layers, which widely exist piezoelectrics, polar surface terminations, heterostructure materials. Herein, groundbreaking interdisciplinary overview latest advances construction improve photo(electro)catalytic electrocatalytic activity is provided. This critical review begins encyclopedic summary classification, advantages, synthesis strategies fields. Subsequently, identification methods thoroughly discussed based on characterization techniques, experiments, theoretical calculations, can provide profound guidance in‐depth study To elaborate theory–structure–activity relationships fields, corresponding reaction mechanisms, modification strategies, performance jointly discussed, along discussion their practical applications. Finally, insightful analysis challenges future prospects field‐based catalysts discussed.

Language: Английский

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Ni3S2-embedded NiFe LDH porous nanosheets with abundant heterointerfaces for high-current water electrolysis

Chemical Engineering Journal, Journal Year: 2022, Volume and Issue: 442, P. 136105 - 136105

Published: April 1, 2022

Language: Английский

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Defect and interface engineering of hexagonal Fe2O3/ZnCo2O4 n-n heterojunction for efficient oxygen evolution reaction

Applied Catalysis B Environment and Energy, Journal Year: 2023, Volume and Issue: 333, P. 122813 - 122813

Published: April 25, 2023

Language: Английский

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Novel Pt-carbon core–shell decorated hierarchical CoMo2S4 as efficient electrocatalysts for alkaline/seawater hydrogen evolution reaction

Chemical Engineering Journal, Journal Year: 2023, Volume and Issue: 473, P. 145348 - 145348

Published: Aug. 9, 2023

Language: Английский

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Work Function‐Guided Electrocatalyst Design

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(29)

Published: April 29, 2024

Abstract The development of high‐performance electrocatalysts for energy conversion reactions is crucial advancing global sustainability. design catalysts based on their electronic properties (e.g., work function) has gained significant attention recently. Although numerous reviews electrocatalysis have been provided, no such reports function‐guided electrocatalyst are available. Herein, a comprehensive summary the latest advancements in diverse electrochemical applications provided. This includes function‐based catalytic activity descriptors, and both monolithic heterostructural catalysts. measurement function first discussed descriptors various fully analyzed. Subsequently, function‐regulated material‐electrolyte interfacial electron transfer (IET) employed catalyst design, methods regulating optimizing performance discussed. In addition, key strategies tuning function‐governed material‐material IET examined. Finally, perspectives determination, put forward to guide future research. paves way rational efficient sustainable applications.

Language: Английский

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Rational design of ZnO–CuO–Au S-scheme heterojunctions for photocatalytic hydrogen production under visible light

International Journal of Hydrogen Energy, Journal Year: 2023, Volume and Issue: 48(34), P. 12683 - 12698

Published: Jan. 5, 2023

Language: Английский

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Construction of nickel phosphide/iron oxyhydroxide heterostructure nanoparticles for oxygen evolution

Nano Energy, Journal Year: 2024, Volume and Issue: 123, P. 109402 - 109402

Published: Feb. 21, 2024

Language: Английский

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Built-in Electric Field Promotes Interfacial Adsorption and Activation of CO₂ for C₁ Products over a Wide Potential Window

ACS Nano, Journal Year: 2024, Volume and Issue: 18(13), P. 9678 - 9687

Published: March 24, 2024

The unsatisfactory adsorption and activation of CO2 suppress electrochemical reduction over a wide potential window. Herein, the built-in electric field (BIEF) at CeO2/In2O3 n–n heterostructure realizes C1 (CO HCOO–) selectivity 90.0% in broad range potentials from −0.7 to −1.1 V with maximum value 98.7 ± 0.3% −0.8 V. In addition, current density (−1.1 V) BIEF is about 2.0- 3.2-fold that In2O3 physically mixed sample, respectively. experimental theoretical calculation results indicate introduction CeO2 triggered charge redistribution formed interfaces, which enhanced interfacial low overpotentials. Furthermore, promoting effect was also extended CeO2/In2S3. This work gives deep understanding engineering for highly efficient electroreduction

Language: Английский

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