Articles with "carbon catalysts" as a keyword



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Rational Design of Fe/N/S-Doped Nanoporous Carbon Catalysts from Covalent Triazine Frameworks for Efficient Oxygen Reduction.

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Published in 2018 at "ChemSusChem"

DOI: 10.1002/cssc.201800855

Abstract: Porous organic polymers (POPs) are promising precursors for developing high performance transition metal-nitrogen-carbon (M/N/C) catalysts for the oxygen reduction reaction (ORR). The rational design of POP precursors remain a great challenge, because of the elusive… read more here.

Keywords: rational design; triazine frameworks; covalent triazine; carbon catalysts ... See more keywords
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Dehydration of glucose to 5-Hydroxymethlyfurfural on bifunctional carbon catalysts

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Published in 2021 at "Applied Catalysis B: Environmental"

DOI: 10.1016/j.apcatb.2021.119938

Abstract: Abstract The proposed study tries to reply on one important question concerning glucose dehydration: What is the role of bare or tandem Lewis/Bronsted acid sites in the reaction and which are better? A series of… read more here.

Keywords: carbon catalysts; bifunctional carbon; hydroxymethlyfurfural bifunctional; glucose hydroxymethlyfurfural ... See more keywords
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Esterification of levulinic acid with ethanol catalyzed by sulfonated carbon catalysts: Promotional effects of additional functional groups

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Published in 2017 at "Catalysis Today"

DOI: 10.1016/j.cattod.2017.10.001

Abstract: Abstract Analysis of literature data on acid-catalyzed esterification reaction of levulinic acid (LA) with ethanol (EtOH) has suggested that some sulfonated carbon catalysts exhibit higher active-site performance than other solid acid catalysts such as macroreticular… read more here.

Keywords: carbon catalysts; reaction; acid; functional groups ... See more keywords
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Condensation of furans for the production of diesel precursors: A study on the effects of surface acid sites of sulfonated carbon catalysts

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Published in 2020 at "Catalysis Today"

DOI: 10.1016/j.cattod.2020.05.006

Abstract: Abstract The catalytic condensation of furfural and 2-methylfuran was performed to produce C15 diesel precursors using sulfonated acidic carbon catalysts, including multi-walled carbon nanotubes, graphene oxide, carbon aerogel, activated carbon, and carbon black. Sulfonated multi-walled… read more here.

Keywords: carbon; condensation furans; condensation; diesel precursors ... See more keywords
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One-pot fabrication of sludge-derived magnetic Fe,N-codoped carbon catalysts for peroxymonosulfate-induced elimination of phenolic contaminants.

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Published in 2020 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2020.126076

Abstract: The use of waste sludge as a precursor of catalysts for environmental applications has been encouraged during the past few years. In this study, a series of magnetic Fe,N-codoped carbon catalysts (UBC-x) were successfully prepared… read more here.

Keywords: magnetic codoped; carbon catalysts; one pot; sludge ... See more keywords
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Revealing the impacting factors of cathodic carbon catalysts for Li-CO2 batteries in the pore-structure point of view

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Published in 2019 at "Electrochimica Acta"

DOI: 10.1016/j.electacta.2019.04.135

Abstract: Abstract Li CO 2 battery is a very promising power source with high energy density. Its performance is strongly restricted by the cathode catalysts, in which carbon-based catalysts have been mostly investigated up to now.… read more here.

Keywords: carbon catalysts; performance; impacting factors; pore structure ... See more keywords
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Solid acid carbon catalysts for sustainable production of biofuel enhancers via transesterification of glycerol with ethyl acetate

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Published in 2021 at "Fuel"

DOI: 10.1016/j.fuel.2021.121381

Abstract: Abstract SO3H-bearing carbons prepared from sugars or glycerol were used as catalysts for the production of acetins via a transesterification route. Two methods of preparation of functionalized carbon catalysts were compared: a) an energy-efficient, one-pot… read more here.

Keywords: production; glycerol; via transesterification; carbon catalysts ... See more keywords
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In situ generation of nickel/carbon catalysts by partial gasification of coal char and application for methane decomposition

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Published in 2019 at "International Journal of Hydrogen Energy"

DOI: 10.1016/j.ijhydene.2018.12.005

Abstract: Abstract Catalytic methane decomposition (CMD) has a good potential to develop environmentally friendly hydrogen economy, and the catalyst plays a vital role on its applications. In this work, a novel strategy was proposed to fabricate… read more here.

Keywords: carbon catalysts; methane decomposition; nickel carbon; gasification ... See more keywords
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Boosting electrocatalytic activity for CO2 reduction on nitrogen-doped carbon catalysts by co-doping with phosphorus

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Published in 2020 at "Journal of Energy Chemistry"

DOI: 10.1016/j.jechem.2020.05.006

Abstract: Abstract Electrochemical reduction of CO2 (CERR) to value-added chemicals is an attractive strategy for greenhouse gas mitigation, and carbon recycles utilization. Conventional metal catalysts suffered from low durability and sluggish kinetics impede the practical application.… read more here.

Keywords: reduction; doped carbon; carbon; co2 ... See more keywords
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Potential Risk of NH3 Slip Arisen from Catalytic Inactive Site in Selective Catalytic Reduction of NOx with Metal-Free Carbon Catalysts.

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Published in 2022 at "Environmental science & technology"

DOI: 10.1021/acs.est.2c06289

Abstract: Ammonia emissions from industrial processes have rapidly increased in the past years. Recent advances have used carbon-based selective catalytic reduction (SCR) technology combined with a reaction-regeneration process to reduce NOx from sintering flue gas, while… read more here.

Keywords: nh3 slip; carbon; selective catalytic; catalytic reduction ... See more keywords
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General Carbon-Supporting Strategy to Boost the Oxygen Reduction Activity of Zeolitic-Imidazolate-Framework-Derived Fe/N/Carbon Catalysts in Proton Exchange Membrane Fuel Cells.

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Published in 2022 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.2c04786

Abstract: The oxygen reduction reaction (ORR) activity of the Fe/N/Carbon catalysts derived from the pyrolysis of zeolitic-imidazolate-framework-8 (ZIF-8) has been still lower than that of commercial Pt-based catalysts utilized in the proton exchange membrane fuel cells… read more here.

Keywords: carbon; density; supporting strategy; carbon supporting ... See more keywords