Articles with "free carbon" as a keyword



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Metal-free carbon materials as catalysts for wet air oxidation

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Published in 2020 at "Catalysis Today"

DOI: 10.1016/j.cattod.2019.04.047

Abstract: Abstract Metal-free carbon materials can provide an alternative to replace the traditional metal-based catalysts used in Catalytic Wet Air Oxidation (CWAO). The discovery and synthesis of novel carbon allotropes (carbon nanofibers, nanotubes, graphene-based materials and… read more here.

Keywords: oxidation; free carbon; carbon materials; wet air ... See more keywords
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Novel approach for controlling free-carbon domain in silicone oil-derived silicon oxycarbide (SiOC) as an anode material in secondary batteries

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Published in 2021 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2020.126581

Abstract: Abstract Silicon oxycarbide (SiOC) has been regarded as potential anode for lithium-ion secondary batteries (LIBs) due to high reversible capacities (higher than conventional graphite) and superior electrical conductivity with regard to free-carbon domain (FCD). Thus,… read more here.

Keywords: carbon; secondary batteries; carbon domain; free carbon ... See more keywords
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Metal-free carbon materials for persulfate-based advanced oxidation process: Microstructure, property and tailoring

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Published in 2020 at "Progress in Materials Science"

DOI: 10.1016/j.pmatsci.2020.100654

Abstract: Abstract Metal-free carbon materials (MFCMs), as newly emerging efficient catalysts in persulfate-based advanced oxidation process (PS-AOP), have exhibited great engineering-application potential for environmental remediation. Nevertheless, the relationships between discrepant catalytic properties and structural/surface characteristics of… read more here.

Keywords: persulfate based; based advanced; free carbon; carbon materials ... See more keywords
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A Pentagonal Defect-Rich Metal-Free Carbon Electrocatalysts for Boosting Acidic O2 Reduction to H2O2 Production.

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Published in 2023 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.3c00689

Abstract: Metal-free carbon-based materials are considered one of the most promising two-electron oxygen reduction reaction (2e- ORR) electrocatalysts for the green synthesis of hydrogen peroxide (H2O2). However, most reported carbon electrocatalysts perform much more effectively in… read more here.

Keywords: carbon electrocatalysts; carbon; defect rich; metal free ... See more keywords
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A review of oxygen reduction mechanisms for metal-free carbon-based electrocatalysts

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Published in 2019 at "npj Computational Materials"

DOI: 10.1038/s41524-019-0210-3

Abstract: The sluggish kinetics of Oxygen Reduction Reaction (ORR) at the cathode in proton exchange membrane fuel cells or metal-air batteries requires highly effective and stable electrocatalysts to boost the reaction. The low abundance and high… read more here.

Keywords: carbon; free carbon; carbon materials; metal free ... See more keywords
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Exploring the structural dependence of metal-free carbon electrocatalysts on zinc-based metal-organic framework types.

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Published in 2022 at "Dalton transactions"

DOI: 10.1039/d2dt01718k

Abstract: Metal-organic frameworks (MOFs) have been widely used as precursors to derive carbon-based electrocatalysts for the oxygen reduction reaction (ORR) due to their high porosity and tunable chemical composition/structure. However, the influence of MOF type on… read more here.

Keywords: carbon; metal free; metal organic; carbon catalysts ... See more keywords
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Effect of Carbon Content on Mechanical Properties of Boron Carbide Ceramics Composites Prepared by Reaction Sintering

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Published in 2022 at "Materials"

DOI: 10.3390/ma15176028

Abstract: In this study, different reaction-bonded boron carbide (RBBC) composites with a free carbon addition from 0 to 15 wt% were prepared, and the effect of the carbon content on the mechanical properties was discussed. With… read more here.

Keywords: carbon; boron carbide; rbbc; effect carbon ... See more keywords
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Heteroatom-Doped Metal-Free Carbon Nanomaterials as Potential Electrocatalysts

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Published in 2022 at "Molecules"

DOI: 10.3390/molecules27030670

Abstract: In recent years, heteroatom-incorporated specially structured metal-free carbon nanomaterials have drawn huge attention among researchers. In comparison to the undoped carbon nanomaterials, heteroatoms such as nitrogen-, sulphur-, boron-, phosphorous-, etc., incorporated nanomaterials have become well-accepted… read more here.

Keywords: carbon; carbon nanomaterials; metal free; heteroatom doped ... See more keywords