Selective oxygen reduction reaction: mechanism understanding, catalyst design and practical application

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

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Broad spectral absorption cooperates with local plasma resonance for promoted photothermal-assisted photocatalytic hydrogen production

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 160561 - 160561

Published: Feb. 1, 2025

Language: Английский

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Investigation of the structure-activity relationship of phosphorus-doped Fe-Cu@NC catalysts: Exploring the influence of different coordination layers on oxygen reduction reaction activity

Journal of Power Sources, Journal Year: 2025, Volume and Issue: 631, P. 236302 - 236302

Published: Jan. 24, 2025

Language: Английский

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Highly dense atomic Fe–N4 derived from double-layer MOF as efficient electrocatalysts for enhanced oxygen reduction in Zn–air battery and microbial fuel cell

Fuel, Journal Year: 2024, Volume and Issue: 373, P. 132326 - 132326

Published: July 3, 2024

Language: Английский

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Ultrasensitive detection of mycotoxins using a novel single-Atom, CRISPR/Cas12a-Based nanozymatic colorimetric biosensor

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 497, P. 154418 - 154418

Published: July 30, 2024

Language: Английский

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Atomically Dispersed Metal–Nitrogen–Carbon Catalysts for Acidic Oxygen Reduction Reaction

ACS Applied Materials & Interfaces, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 4, 2025

Designing efficient and cost-effective electrocatalysts toward oxygen reduction reaction (ORR) under demanding acidic environments plays a critical role in advancing proton exchange membrane fuel cells (PEMFCs). Metal–nitrogen–carbon (M–N–C) catalysts with atomically dispersed metals have gained attention for their affordability, excellent catalytic performance, distinctive features including consistent active sites high atomic utilization. Over the past decade, significant achievements been made this field. This review offers comprehensive summary of latest developments M–N–C ORR along applications PEMFCs. The mechanisms, PEMFC configuration, operational principles are presented first, followed by an in-depth discussion strategies to improve activity stability using at cathode. Lastly, highlights unresolved challenges proposes future research pathways high-performance

Language: Английский

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In situ construction of high-content Fe, N co-doped carbon nanotube networks for efficient oxygen reduction reactions in both alkaline and acidic environments

Journal of Alloys and Compounds, Journal Year: 2025, Volume and Issue: unknown, P. 178815 - 178815

Published: Jan. 1, 2025

Language: Английский

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Multi-orbital engineering of single-atom catalysts: unlocking high-efficiency nitrate reduction

Journal of Materials Chemistry A, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

The crucial role of heteroatom doping-induced coordination symmetry breaking in SACs is reported and provides vital insights into the impact microenvironments on electrocatalytic mechanisms rational design NO 3 RR catalysts.

Language: Английский

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Examination of oxygen reduction reaction on surfaces of Sc-Si52, Sc-C52 and Sc-Al26P26

Ionics, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 19, 2025

Language: Английский

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Novel Depressant Based on Hybridization Theory for the Separation of Galena and Realgar: Experimental Study and Adsorption Mechanism

Minerals, Journal Year: 2025, Volume and Issue: 15(3), P. 200 - 200

Published: Feb. 20, 2025

In lead concentrate cleaning, achieving efficient separation of galena from realgar—both significant naturally floatable minerals-relies critically on selective depression. This study introduces dimercaptosuccinic acid (DMSA) as a novel organic depressant by leveraging its distinct carbon-sulfur hybridization compared to diethyldithiocarbamate (DDTC). Quantum chemical analyses reveal that the sp3-hybridized sulfur in DMSA exhibits enhanced p-orbital reactivity, enabling stronger adsorption via Pb-S bonding. At pH 6.5, (4 mg/L) achieved optimal with index 11.88, outperforming DDTC (10 mg/L). FTIR/XPS confirmed DMSA’s chemisorption galena, while theoretical calculations highlighted superior bond strength DDTC. Notably, lower dosage and reduced environmental impact position it sustainable alternative inorganic depressants. work provides fundamental insights into orbital-driven mechanisms, advancing rational design eco-friendly flotation reagents.

Language: Английский

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