Articles with "doped hollow" as a keyword



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Morphology-Engineering Construction of Anti-Aggregated Co/N-Doped Hollow Carbon from Metal-Organic Frameworks for Efficient Biomass Upgrading.

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Published in 2023 at "Small"

DOI: 10.1002/smll.202207689

Abstract: The controlled pyrolysis of metal/carbon-containing precursors is commonly used for fabricating multifunctional metal/carbon-based catalysts, nevertheless, the inevitable agglomeration of these precursors in pyrolysis is extremely negative for efficient catalysis. This study reports the first example… read more here.

Keywords: carbon; metal carbon; doped hollow; morphology ... See more keywords
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Ultrasmall SnO2 nanocrystals with adjustable density embedded in N-doped hollow mesoporous carbon spheres as anode for Li+/Na+ batteries

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Published in 2020 at "Journal of Materials Science"

DOI: 10.1007/s10853-020-05039-x

Abstract: SnO2 has been widely studied in lithium-ion batteries (LIBs) because of its high theoretical specific capacity and reversible alloying reaction. Herein, we reported a novel strategy of confinement growth to implant nano-sized SnO2 crystals into… read more here.

Keywords: sno2; carbon spheres; doped hollow; mesoporous carbon ... See more keywords
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Functionalized N-doped hollow carbon spheres as sulfur host with enhanced electrochemical performances of lithium-sulfur batteries

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Published in 2018 at "Ionics"

DOI: 10.1007/s11581-018-2729-6

Abstract: A novel composite, functionalized N-doped hollow carbon spheres (F-NHCS), is proposed as cathode host for improving the cycle stability and rate capability of a Li-S battery, which involves the functionalization of NHCS with oxygen-containing groups.… read more here.

Keywords: carbon spheres; functionalized doped; doped hollow; hollow carbon ... See more keywords
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Facile synthesis of nitrogen and sulfur co-doped hollow microsphere polymers from benzothiazole containing wastewater for water treatment.

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Published in 2021 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2021.131982

Abstract: Advanced oxidation is a very efficient method in wastewater treatment, but it is a waste of resources to directly oxide the high concentration of valuable organics into carbon dioxide and water. In this paper, the… read more here.

Keywords: oxidation; doped hollow; treatment; wastewater ... See more keywords
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Ag-doped hollow ZIFs-derived nanoporous carbon for efficient hybrid capacitive deionization

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Published in 2020 at "Desalination"

DOI: 10.1016/j.desal.2019.114173

Abstract: Abstract Desalination performance of hybrid capacitive deionization (HCDI) intensively depends on the electrode materials with redox activity and capacitance ability. Herein, Ag-doped hollow ZIFs-derived nanoporous carbon (Ag/ZCs) was employed as an anode material by the… read more here.

Keywords: carbon; deionization; doped hollow; hybrid capacitive ... See more keywords
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Surface selenium doped hollow heterostructure/defects Co-Fe sulfide nanoboxes for enhancing oxygen evolution reaction and supercapacitors

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Published in 2021 at "Electrochimica Acta"

DOI: 10.1016/j.electacta.2021.137962

Abstract: Abstract The strategy of constructing a three-dimensional hierarchically porous architecture with heterointerface and defects to rich the electrochemically active site, and rapid electron transfer has been considered as an effective strategy to achieve the excellent… read more here.

Keywords: heterostructure defects; doped hollow; evolution reaction; oxygen evolution ... See more keywords
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Surface property and spatial confinement engineering for achieving Ru nanoclusters on O/N-doped hollow carbon towards enhanced hydrogen production

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Published in 2021 at "Fuel"

DOI: 10.1016/j.fuel.2021.121722

Abstract: Abstract Supported metal nanoclusters (NCs) have become highly attractive in catalytic applications because of their maximum atom utilization with superior catalytic property. The main challenge in fabricating metal NC catalysts is their low binding strength… read more here.

Keywords: property; surface; doped hollow; hollow carbon ... See more keywords
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Supercapacitive and ORR performances of nitrogen-doped hollow carbon spheres pyrolyzed from polystyrene@polypyrrole-polyaniline

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Published in 2020 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2019.152890

Abstract: Abstract Nitrogen-doped hollow carbon spheres (NHCSs) derived from polystyrene@polypyrrole-polyaniline (PS@PPY-PANI) core-shell composite microspheres of large surface area with improved electrochemistry performances have been effectively prepared and characterized systematically. NHCSs exhibited exceptional electrochemical properties with a… read more here.

Keywords: nitrogen; carbon spheres; nitrogen doped; doped hollow ... See more keywords
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Co/FeC core-nitrogen doped hollow carbon shell structure with tunable shell-thickness for oxygen evolution reaction.

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Published in 2020 at "Journal of colloid and interface science"

DOI: 10.1016/j.jcis.2020.07.031

Abstract: Herein, multi-core-shell structure Co/FeC@N-doped hollow carbon (Co/FeC@NHC) with tunable carbon shell thickness is well crafted by a novel and simple strategy. Novel core-shell structure consisting of polydopamine (PDA) shell with different thickness and bimetal-based metal-organic… read more here.

Keywords: carbon; doped hollow; hollow carbon; carbon shell ... See more keywords
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PPy-derived N, P co-doped hollow carbon fiber decorated with island-like Ni2P nanoparticles as bifunctional oxygen electrocatalysts

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Published in 2021 at "Journal of Electroanalytical Chemistry"

DOI: 10.1016/j.jelechem.2021.115013

Abstract: Abstract Constructing high efficient and robust bifunctional electrocatalysts for both oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) is crucial for energy conversion and storage electrochemical system. Herein, an efficient bifunctional ORR/OER electrocatalyst of… read more here.

Keywords: bifunctional oxygen; doped hollow; hollow carbon; oxygen ... See more keywords
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ZnIn2S4 grown on nitrogen-doped hollow carbon spheres: An advanced catalyst for Cr(VI) reduction.

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Published in 2020 at "Journal of hazardous materials"

DOI: 10.1016/j.jhazmat.2020.122205

Abstract: Up to now, the environmental damage by heavy metal is getting worse and worse as the development of industry. Meanwhile, hexavalent chromium (Cr(VI)) in wastewater get special attention as its acute toxicity and potential carcinogencity.… read more here.

Keywords: grown nitrogen; nitrogen doped; carbon; znin2s4 grown ... See more keywords