High-performance multidimensional-structured N-doped nickel modulated Mo2N/FeOxNy bifunctional electrocatalysts for efficient alkaline seawater splitting

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 489, P. 151348 - 151348

Published: April 16, 2024

Language: Английский

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Corrosion Resistant Multilayered Electrode Comprising Ni₃N Nanoarray Overcoated with NiFe‐Phytate Complex for Boosted Oxygen Evolution in Seawater Electrolysis

Advanced Energy Materials, Journal Year: 2023, Volume and Issue: 14(8)

Published: Dec. 17, 2023

Abstract Engineering high‐performance oxygen evolution reaction (OER) anode material with high activity, selectivity, and strong robustness against chloride corrosion is critical to advance seawater electrolysis for large‐scale production of H 2 , yet a daunting challenge. Herein it reported the first time, engineer multilayered electrode consisting Ni foam‐supported 3 N porous nanosheet array decorated NiFe‐phytate coordination complex overlayer (NF/Ni N@NiFe‐PA) via facile interfacial assembly, remarkably boosted sustained OER in alkaline electrolysis. Benefitting from regulated electronic state by synergism between Fe species, proton‐coupled electron transfer accelerating proton movement aid incorporated phytic acid as relay, promoted mass rendered unique superhydrophilic superaerophobic property, resulting NF/Ni N@NiFe‐PA demonstrates prominent activity seawater. Impressively, integrating anticorrosive NiFe‐PA situ generated NiFeOOH can collaboratively contribute repelling, leading exceptional resistance electrode. This work affords novel paradigm active corrosion‐resistive selective saline water simultaneous geometric structural manipulation.

Language: Английский

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Progress in Anode Stability Improvement for Seawater Electrolysis to Produce Hydrogen

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(37)

Published: Feb. 1, 2024

Abstract Seawater electrolysis for hydrogen production is a sustainable and economical approach that can mitigate the energy crisis global warming issues. Although various catalysts/electrodes with excellent activities have been developed high‐efficiency seawater electrolysis, their unsatisfactory durability, especially anodes, severely impedes industrial applications. In this review, attention paid to factors affect stability of anodes corresponding strategies designing catalytic materials prolong anode's lifetime. addition, two important aspects—electrolyte optimization electrolyzer design—with respect anode improvement are summarized. Furthermore, several methods rapid assessment proposed fast screening both highly active stable catalysts/electrodes. Finally, perspectives on future investigations aimed at improving systems outlined.

Language: Английский

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Innovations in Electrocatalysts, Hybrid Anodic Oxidation, Eelectrolyzers for Enhanced Direct Seawater Electrolysis

Energy & Environmental Science, Journal Year: 2024, Volume and Issue: 17(19), P. 6897 - 6942

Published: Jan. 1, 2024

This review focuses on the latest developments in direct seawater electrolysis, specifically electrocatalysts, hybrid anodic oxidation, and electrolyzers, providing a glimpse into future of environmentally friendly hydrogen generation.

Language: Английский

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A Comprehensive Review on Catalysts for Seawater Electrolysis

Advanced Powder Materials, Journal Year: 2024, Volume and Issue: 3(5), P. 100227 - 100227

Published: Aug. 15, 2024

Language: Английский

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Long‐term Durability of Seawater Electrolysis for Hydrogen: From Catalysts to Systems

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(47)

Published: Aug. 29, 2024

Abstract Direct electrochemical seawater splitting is a renewable, scalable, and potentially economic approach for green hydrogen production in environments where ultra‐pure water not readily available. However, issues related to low durability caused by complex ions pose great challenges its industrialization. In this review, mechanistic analysis of electrolytic discussed. We critically analyze the development electrolysis identify at both anode cathode. Particular emphasis given elucidating rational strategies designing electrocatalysts/electrodes/interfaces with long lifetimes realistic including inducing passivating anion layers, preferential OH − adsorption, employing anti‐corrosion materials, fabricating protective immobilizing Cl on surface electrocatalysts, tailoring adsorption sites, inhibition binding Mg 2+ Ca , hydroxide precipitation adherence, co‐electrosynthesis nano‐sized hydroxides. Synthesis methods electrocatalysts/electrodes innovations electrolyzer are also Furthermore, prospects developing technologies clean generation summarized. found that researchers have rethought role ions, as well more attention cathodic reaction electrolyzers, which conducive accelerate commercialization electrolysis.

Language: Английский

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Enhanced oxygen evolution reaction through improved lattice oxygen activity via carbon dots incorporation into MOFs

Journal of Colloid and Interface Science, Journal Year: 2025, Volume and Issue: 685, P. 361 - 370

Published: Jan. 19, 2025

Language: Английский

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Harnessing direct seawater electrolysis for a sustainable offshore Hydrogen future: A critical review and perspective

Applied Energy, Journal Year: 2025, Volume and Issue: 384, P. 125468 - 125468

Published: Feb. 3, 2025

Language: Английский

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Strategies for Designing Anti‐Chlorine Corrosion Catalysts in Seawater Splitting

Advanced Energy Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 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

Language: Английский

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Challenges and strategies in catalysts design towards efficient and durable alkaline seawater electrolysis for green hydrogen production

Energy Materials, Journal Year: 2025, Volume and Issue: 5(8)

Published: March 21, 2025

Seawater electrolysis offers a sustainable solution for hydrogen production by utilizing ocean water as an electrolyte. However, the chlorine evolution reaction (ClER) and accumulation of magnesium calcium precipitates pose significant challenges to efficiency durability. ClER competes with oxygen reaction, reducing output accelerating electrode degradation, while precipitate formation on cathode blocks catalytic sites impairs long-term performance. Anion exchange membrane electrolyzers tackle these leveraging alkaline media suppress enhance catalyst stability. Recent advances in selective catalysts, protective coatings, alternative oxidation reactions further improve selectivity energy efficiency. Additionally, strategies such surface engineering pH modulation mitigate formation, ensuring stable operation. Scaling innovations into anion electrolyzer systems demonstrates their potential industrial-level production. By overcoming fundamental practical barriers, seawater toward commercial deployment future.

Language: Английский

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