MnFe2O4 nanoparticles promoted electrochemical oxidation coupling with persulfate activation for tetracycline degradation

Separation and Purification Technology, Journal Year: 2020, Volume and Issue: 255, P. 117690 - 117690

Published: Sept. 8, 2020

Language: Английский

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Hydrogen production coupled with water and organic oxidation based on layered double hydroxides

Exploration, Journal Year: 2021, Volume and Issue: 1(3)

Published: Dec. 1, 2021

Hydrogen production via electrochemical water splitting is one of the most green and promising ways to produce clean energy address resource crisis, but still suffers from low efficiency high cost mainly due sluggish oxygen evolution reaction (OER) process. Alternatively, hydrogen-evolution coupled with alternative oxidation (EHCO) has been proposed as a considerable strategy improve hydrogen combined value-added chemicals. Although these merits, high-efficient electrocatalysts are always needed in practical operation. Typically, layered double hydroxides (LDHs) have developed large class advanced toward both OER EHCO stability. In this review, we summarized latest progress perspectives designing efficient LDHs-based for EHCO. Particularly, influence structure design component regulation on their electrocatalytic process discussed detail. Finally, look forward challenges field organic oxidation, such mechanism, selected well system design, hoping provide certain inspiration development low-cost technology.

Language: Английский

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RETRACTED: Effect of combined air cooling and nano enhanced phase change materials on thermal management of lithium-ion batteries

Journal of Energy Storage, Journal Year: 2022, Volume and Issue: 52, P. 104906 - 104906

Published: June 10, 2022

Language: Английский

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Developments and Perspectives on Robust Nano‐ and Microstructured Binder‐Free Electrodes for Bifunctional Water Electrolysis and Beyond

Advanced Energy Materials, Journal Year: 2022, Volume and Issue: 12(23)

Published: May 1, 2022

Abstract The development of robust nano‐ and microstructured catalysts on highly conductive substrates is an effective approach to produce active binder‐free electrodes for energy conversion storage applications. As a result, nanostructured with designs have abundant advantages that provide superior electrocatalytic performance; these include more exposed sites, large surface area, strong adhesion substrates, facile charge transfer, high conductivity, intrinsic catalytic activity, fine‐tuning its electronic nature through nanostructure modification. Notably, the interface chemistry electrocatalyst plays significant role in their optimized activity stability. This review provides overview recent progress catalysts, such as one, two, 3D water splitting via hydrogen evolution reaction oxygen reaction, beyond. Furthermore, this focuses current challenges synthesis strategies electrodes, focus impact functional property relationships enhanced bifunctional performance. Finally, outlook future advances provided.

Language: Английский

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Trends and Prospects of Bulk and Single‐Atom Catalysts for the Oxygen Evolution Reaction

Advanced Energy Materials, Journal Year: 2023, Volume and Issue: 13(17)

Published: March 20, 2023

Abstract Electrolytic hydrogen is expected to play a key role in the production of green fuels and chemicals, while contributing balancing consumption supply future electricity grid relying largely on intermittent renewable sources for energy production. However, oxygen evolution reaction (OER) major bottleneck boosting conversion efficiency due sluggish kinetics four‐electron transfer process. Intensive research efforts are thus directed toward development advanced OER electrocatalysts. This review aims at bringing together recent advances bulk single‐atom electrocatalysts (SACs) OER. Starting from established understanding mechanism, it offers an overview state‐of‐the‐art materials OER, highlighting current directions shortcomings The final part addresses novel SACs, covering their performance as well synthetic routes characterization techniques that shine light geometric electronic configuration SACs. experimental findings complimented with theoretical insights density functional theory (DFT). article concludes summary along opportunities further improve activity SACs

Language: Английский

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Biowaste- and nature-derived (nano)materials: Biosynthesis, stability and environmental applications

Advances in Colloid and Interface Science, Journal Year: 2022, Volume and Issue: 301, P. 102599 - 102599

Published: Jan. 7, 2022

Language: Английский

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Mo-doped Ni3S4 nanosheets grown on carbonized wood as highly efficient and durable electrocatalysts for water splitting

Applied Catalysis B Environment and Energy, Journal Year: 2023, Volume and Issue: 339, P. 123123 - 123123

Published: July 20, 2023

Language: Английский

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Synthesis and Modification of Nanoparticles with Ionic Liquids: a Review

BioNanoScience, Journal Year: 2023, Volume and Issue: 13(2), P. 760 - 783

Published: March 2, 2023

Language: Английский

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Structural and Electronic Engineering of Ir-Doped Ni-(Oxy)hydroxide Nanosheets for Enhanced Oxygen Evolution Activity

ACS Catalysis, Journal Year: 2021, Volume and Issue: 11(9), P. 5386 - 5395

Published: April 20, 2021

Discovering highly active and stable electrocatalysts for the oxygen evolution reaction (OER) is critical to commercial development of many next-generation energy conversion storage devices, with Fe-doped nickel (oxy)hydroxide representing one most promising OER catalysts developed date. However, sites mechanism on remain unclear. To gain deeper insights into role metal dopants in enhancing activity, we explored here Ir-doping performance catalysts, placing particular emphasis nature site. Density functional theory calculations Hubbard U correction revealed that a β-NiOOH(001) surface enhanced electric conductivity while also activating an site involving three Ni atoms (Ni3 site) realize remarkably low overpotential only η = 0.46 V, much lower than Ir + two (IrNi2 site, 0.77 V) or pristine β-NiOOH (η 0.66 V). Guided by computational results, ultrathin Ir-doped Ni(OH)2 nanosheets were then fabricated through combination hydrothermal assembly liquid exfoliation, transforming NiOOH during offering superior activity relative IrO2 catalyst, thereby validating theoretical predictions. The experimental results thus conclusively demonstrate nanosheet engineering are synergistic strategies tuning electronic structural properties (oxy)hydroxides improved electrocatalysis.

Language: Английский

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Central metal and ligand effects on oxygen electrocatalysis over 3d transition metal single-atom catalysts: A theoretical investigation

Chemical Engineering Journal, Journal Year: 2021, Volume and Issue: 427, P. 132038 - 132038

Published: Aug. 27, 2021

Language: Английский

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