Water electrolysis for hydrogen production: from hybrid systems to self-powered/catalyzed devices

Energy & Environmental Science, Journal Year: 2023, Volume and Issue: 17(1), P. 49 - 113

Published: Nov. 7, 2023

This perspective highlights recent advancements in innovative strategies to provide valuable insights into the potential for energy-saving hydrogen production through water electrolysis.

Language: Английский

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Modulating the d‐Band Center Enables Ultrafine Pt₃Fe Alloy Nanoparticles for pH‐Universal Hydrogen Evolution Reaction

Advanced Materials, Journal Year: 2023, Volume and Issue: 35(41)

Published: July 1, 2023

By providing dual active sites to synergistically accelerate H2 O dissociation and H+ reduction, ordered intermetallic alloys usually show extraordinary performance for pH-universal hydrogen evolution reaction (HER). Herein, activated N-doped mesoporous carbon spheres supported Pt3 Fe (Pt3 Fe/NMCS-A), as a highly-efficient electrocatalyst HER, are reported. The Fe/NMCS-A exhibits low overpotentials (η10 ) of 13, 29, 48 mV deliver 10 mA cm-2 in 0.5 m SO4 , 1.0 KOH, phosphate buffered solution (PBS), respectively, well robust stability maintain the overall catalytic performances. Theoretical studies reveal that strong Pt 5d-Fe 3d orbital electronic interactions negatively shift d-band center (εd 5d orbital, resulting reduced H* adsorption energy enhanced acidic HER activity. With acting co-adsorption *OH intermediates, barrier is required dissociate afford which greatly promotes formation alkaline neutral conditions. synthetic strategy further extended synthesis Co Ni with excellent activity electrolytes, demonstrating great potential these Pt-based practical applications.

Language: Английский

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Progress and Perspectives for Solar‐Driven Water Electrolysis to Produce Green Hydrogen

Advanced Energy Materials, Journal Year: 2023, Volume and Issue: 13(16)

Published: March 9, 2023

Abstract Solar‐driven water electrolysis has been considered to be a promising route produce green hydrogen, because the conventional system is not completely renewable as it requires power from nonrenewable fossil fuel sources. This review emphasizes strategies for solar‐driven electrolysis, including construction of photovoltaic (PV)‐water electrolyzer systems, PV‐rechargeable energy storage device‐water systems with solar sole input energy, and photoelectrochemical splitting systems. The basic discussions above are first presented. Meanwhile, replacing oxygen evolution reaction electrooxidation organic compounds can effectively improve efficiency splitting. Also, seawater greatly broadens practical applications due abundant reserves seawater. Recent years have witnessed great development in field electrolysis. recent research area subsequently reviewed. Finally, perspectives on existing challenges along some opportunities further provided.

Language: Английский

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A review on photo-, electro- and photoelectro- catalytic strategies for selective oxidation of alcohols

Journal of Energy Chemistry, Journal Year: 2022, Volume and Issue: 77, P. 80 - 118

Published: Nov. 1, 2022

Language: Английский

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Recent Advancements in Electrochemical Hydrogen Production via Hybrid Water Splitting

Advanced Materials, Journal Year: 2023, Volume and Issue: 36(4)

Published: Oct. 10, 2023

Abstract As one of the most promising approaches to producing high‐purity hydrogen (H 2 ), electrochemical water splitting powered by renewable energy sources such as solar, wind, and hydroelectric power has attracted considerable interest over past decade. However, electrolysis process is seriously hampered sluggish electrode reaction kinetics, especially four‐electron oxygen evolution at anode side, which induces a high overpotential. Currently, emerging hybrid strategy proposed integrating thermodynamically favorable electro–oxidation reactions with cathode, providing new opportunity for energy–efficient H2 production. To achieve highly efficient cost–effective toward large–scale practical H production, much work been continuously done exploit alternative anodic oxidation cutting–edge electrocatalysts. This review will focus on recent developments production coupled reactions, including choice substrates, investigation electrocatalytic materials, deep understanding underlying mechanisms. Finally, some insights into scientific challenges now standing in way future advancement technique are shared, hope inspiring further innovative efforts this rapidly growing field.

Language: Английский

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Unlocking Efficient Hydrogen Production: Nucleophilic Oxidation Reactions Coupled with Water Splitting

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

Published: June 10, 2024

Abstract Electrocatalytic water splitting driven by sustainable energy is a clean and promising water‐chemical fuel conversion technology for the production of high‐purity green hydrogen. However, sluggish kinetics anodic oxygen evolution reaction (OER) pose challenges large‐scale hydrogen production, limiting its efficiency safety. Recently, OER has been replaced nucleophilic oxidation (NOR) with biomass as substrate coupled (HER), which attracted great interest. Anode NOR offers faster kinetics, generates high‐value products, reduces consumption. By coupling reaction, can be enhanced while yielding products or degrading pollutants. Therefore, NOR‐coupled HER another new electrolytic strategy after significance realizing development global decarbonization. This review explores potential reactions an alternative to delves into mechanisms, guiding future research in production. It assesses different methods, analyzing pathways catalyst effects. Furthermore, it evaluates role electrolyzers industrialized discusses prospects challenges. comprehensive aims advance efficient economical

Language: Английский

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Electrochemical Oxidation of Small Molecules for Energy‐Saving Hydrogen Production

Advanced Energy Materials, Journal Year: 2024, Volume and Issue: 14(30)

Published: May 27, 2024

Abstract Electrochemical water splitting is a promising technique for the production of high‐purity hydrogen. Substituting slow anodic oxygen evolution reaction with an oxidation that thermodynamically more favorable enables energy‐efficient Moreover, this approach facilitates degradation environmental pollutants and synthesis value‐added chemicals through rational selection small molecules as substrates. Strategies small‐molecule electrocatalyst design are critical to electrocatalytic performance, focus on achieving high current density, selectivity, Faradaic efficiency, operational durability. This perspective discusses key factors required further advancement, including technoeconomic analysis, new reactor system design, meeting requirements industrial applications, bridging gap between fundamental research practical product detection separation. aims advance development hybrid electrolysis applications.

Language: Английский

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Precisely tailoring the d-band center of nickel sulfide for boosting overall water splitting

Applied Catalysis B Environment and Energy, Journal Year: 2024, Volume and Issue: 359, P. 124461 - 124461

Published: July 31, 2024

Language: Английский

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Rapid Joule heating processing of nickel-based flexible supercapacitors

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 160765 - 160765

Published: Feb. 1, 2025

Language: Английский

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Fluorine-anion engineering endows superior bifunctional activity of nickel sulfide/phosphide heterostructure for overall water splitting

Journal of Colloid and Interface Science, Journal Year: 2022, Volume and Issue: 625, P. 576 - 584

Published: June 16, 2022

Language: Английский

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