Articles with "reaction kinetics" as a keyword



Nanocalorimetry of Nanoscaled Ni/Al Multilayer Films: On the Methodology to Determine Reaction Kinetics for Highly Reactive Films

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Published in 2024 at "Advanced Engineering Materials"

DOI: 10.1002/adem.202302279

Abstract: Free‐standing Ni/Al multilayer films with a planar morphology, a bilayer thickness of 20 nm, and an average composition of Ni50Al50 (at%) deposited by direct current magnetron sputtering are investigated by nanocalorimetry and conventional calorimetry. Both the… read more here.

Keywords: reaction; methodology; reaction kinetics; heating rates ... See more keywords

Optimization and Reaction Kinetics of Catalytic Transfer Hydrogenation of 5‐Hydroxymethylfurfural to 2,5‐Dimethylfuran over CuCoOx Catalysts

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Published in 2024 at "ChemCatChem"

DOI: 10.1002/cctc.202401412

Abstract: From the perspective of reaction kinetics, the catalytic transfer hydrogenation (CTH) reaction of 5‐hydroxymethylfurfural (HMF) was studied in this work. Its hydrogenation product, 2,5‐dimethylfuran (DMF), was a stable and water‐insoluble biofuel alternative to gasoline. In… read more here.

Keywords: reaction; catalytic transfer; hydrogenation; kinetics catalytic ... See more keywords

Reaction kinetics of anodic biofilms under changing substrate concentrations: Uncovering shifts in Nernst‐Monod curves via substrate pulses

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Published in 2022 at "Engineering in Life Sciences"

DOI: 10.1002/elsc.202100088

Abstract: In the present study, it is shown that the concentration dependency of undefined mixed culture anodic biofilms does not follow a single kinetic curve, such as the Nernst‐Monod curve. The biofilms adapt to concentration changes,… read more here.

Keywords: reaction kinetics; monod curves; kinetics anodic; anodic biofilms ... See more keywords

Carbon Fiber Film with Multi-Hollow Channels to Expedite Oxygen Electrocatalytic Reaction Kinetics for Flexible Zn-Air Battery.

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Published in 2024 at "Small"

DOI: 10.1002/smll.202311675

Abstract: The high oxygen electrocatalytic overpotential of flexible cathodes due to sluggish reaction kinetics result in low energy conversion efficiency of wearable zinc-air batteries (ZABs). Herein, lignin, as a 3D flexible carbon-rich macromolecule, is employed for… read more here.

Keywords: reaction; carbon; air; reaction kinetics ... See more keywords
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Modeling and Analysis of Stochastic Reaction Kinetics in Biomolecular Systems

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Published in 2020 at "New Generation Computing"

DOI: 10.1007/s00354-020-00095-y

Abstract: Chemical reactions in small-volume reactors such as biological cells are highly variable due to the stochastic collision events of the small number of molecules. To analyze and design these stochastic biomolecular reactions, computational tools have… read more here.

Keywords: modeling analysis; reaction kinetics; biomolecular systems; analysis stochastic ... See more keywords

Molecular reaction kinetics model for the hydrodeoxygenation of low boiling point phenolic compounds in coal tar with Ni–Ce/SiO2 catalysts

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Published in 2019 at "Reaction Kinetics, Mechanisms and Catalysis"

DOI: 10.1007/s11144-019-01612-x

Abstract: In this study, 27 groups of hydrogenation experiments were carried out in a single-tube fixed-bed reactor using 9 phenolic compounds extracted from coal tar (fraction before 240 °C) as raw materials. Based on the experimental… read more here.

Keywords: phenolic compounds; reaction kinetics; coal tar; kinetics model ... See more keywords

Arenesulfonylation of N-alkylanilines: reaction kinetics and mechanism

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Published in 2017 at "Russian Chemical Bulletin"

DOI: 10.1007/s11172-017-1846-0

Abstract: Kinetic regularities of arenesulfonylation of N-alkylanilines in binary water-organic solvents of variable composition have been studied. The rate constants for these reactions increase with increasing the water content in a system. The steric factor has… read more here.

Keywords: mechanism; reaction kinetics; alkylanilines reaction; arenesulfonylation alkylanilines ... See more keywords

Reaction Kinetics at the Fiber/Matrix Interface of SiCf/Ti–15–3 Composites

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Published in 2017 at "Transactions of the Indian Institute of Metals"

DOI: 10.1007/s12666-017-1227-2

Abstract: In the current research work, spark plasma consolidated beta-titanium alloy Ti–15V–3Cr–3Al–3Sn composites reinforced with SiC fibers (Sigma SM1240) were subjected to high temperatures (1173, 1223 and 1273 K) for different time periods (2.7, 11, 25 and… read more here.

Keywords: reaction kinetics; matrix interface; reaction zone; reaction ... See more keywords

High-Performance Wide-Temperature Zinc-Ion Batteries with K+/C3N4 Co-Intercalated Ammonium Vanadate Cathodes

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Published in 2025 at "Nano-Micro Letters"

DOI: 10.1007/s40820-025-01892-0

Abstract: Molecular dynamics and experimental results confirm that adjusting the interlayer spacing by changing the C3N4 content effectively improves the reaction kinetics. The synergistic effect of K+ and C3N4 co-intercalation lowers the energy barrier, reduces the… read more here.

Keywords: c3n4 intercalated; performance; reaction kinetics; room temperature ... See more keywords

Cobalt nanoparticle-encapsulated carbon nanowire arrays: Enabling the fast redox reaction kinetics of lithium-sulfur batteries

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Published in 2018 at "Carbon"

DOI: 10.1016/j.carbon.2018.09.012

Abstract: Abstract The commercial application of lithium-sulfur batteries is still impeded by the unsatisfying cyclability due to the sluggish reaction kinetics and shuttling effect of polysulfide intermediates. We develop a cobalt nanoparticle-encapsulated carbon nanowire arrays on… read more here.

Keywords: carbon; cobalt nanoparticle; sulfur batteries; reaction kinetics ... See more keywords

Reaction kinetics and mechanism between histidine and carbon dioxide

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Published in 2017 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2016.08.066

Abstract: Abstract Amino acids are considered as potential solvents for carbon dioxide (CO 2 ) capture. In this research, the reaction kinetics and reaction mechanism between histidine and CO 2 were investigated. Results showed that histidine… read more here.

Keywords: reaction kinetics; reaction; mechanism histidine; carbon dioxide ... See more keywords