Articles with "oxygen diffusion" as a keyword



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Bioinspired Hydrophobicity Coupled with Single Fe-N4 Sites Promotes Oxygen Diffusion for Efficient Zinc-Air Batteries.

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Published in 2023 at "Small"

DOI: 10.1002/smll.202207675

Abstract: The poor oxygen diffusion and sluggish oxygen reduction reaction (ORR) kinetics at multiphase interfaces in the cathode suppress the practical application of zinc-air batteries. Developing effective strategies to tackle the issue is of great significance… read more here.

Keywords: zinc air; air batteries; air; oxygen diffusion ... See more keywords
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TEM study on the inhomogeneity of oxygen diffusion distances in single polyacrylonitrile-based carbon fibers

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Published in 2019 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2018.12.268

Abstract: Abstract Accurate measurement of oxygen diffusion distances (ODDs) is important but difficult in the production of polyacrylonitrile (PAN)-based carbon fibers. Traditionally, the ODDs were deemed to be homogeneous in a single fiber and paid no… read more here.

Keywords: based carbon; carbon fibers; oxygen diffusion; diffusion distances ... See more keywords
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Body size, time and dimensions of oxygen diffusion.

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Published in 2020 at "Comparative biochemistry and physiology. Part A, Molecular & integrative physiology"

DOI: 10.1016/j.cbpa.2020.110847

Abstract: The body masses of extant mammals span over seven orders of magnitude. Within that size range there is extraordinary diversity of function, phylogenetic diversity that understandably presents fertile ground for uncovering biological insights. Remarkably transcending… read more here.

Keywords: oxygen diffusion; physiology; body size; body ... See more keywords
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Bio-corrosion behaviour of oxygen diffusion layer on Ti-6Al-4V during tribocorrosion

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Published in 2017 at "Corrosion Science"

DOI: 10.1016/j.corsci.2017.08.031

Abstract: Abstract Oxygen diffusion layers (ODL) on Ti-6Al-4V were produced by thermal oxidation at a temperature of 850 °C for three and six hours. ODL formation resulted in a β-Ti to α-Ti transformation, causing an increase in… read more here.

Keywords: tribocorrosion; bio corrosion; oxygen diffusion;
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Topotactic transformation of (T-T’) La1.8Nd0.2CuO4: Synthesis, structure, electrical properties and oxygen diffusion pathways simulation

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Published in 2021 at "International Journal of Hydrogen Energy"

DOI: 10.1016/j.ijhydene.2021.05.184

Abstract: Abstract The starting sample T-La1.8Nd0.2CuO4 (SG: Bmab) has been synthesized by the conventional solid-state reaction at 900 °C. The T′-La1.8Nd0.2CuO4 (SG: I4/mmm) sample has been obtained via a topotactic reduction reaction of T-La1.8Nd0.2CuO4 (SG: Bmab) using… read more here.

Keywords: oxygen diffusion; la1 8nd0; structure; electrical properties ... See more keywords
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Oxygen diffusion in liquid (over)stoichiometric corium

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Published in 2018 at "Nuclear Engineering and Design"

DOI: 10.1016/j.nucengdes.2018.06.027

Abstract: Abstract Within the framework of pressurized water reactor severe accidents, the ICE research program is devoted to studies on a variety of fundamental mechanisms involved in Fuel-Coolant Interaction (FCI). Among them, the oxidation of liquid… read more here.

Keywords: diffusion liquid; corium; diffusion; oxygen diffusion ... See more keywords
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Multiscale analysis of thermal degradation of polyamide 6,6 - Influence of temperature on oxygen diffusion-limited oxidation profiles

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Published in 2021 at "Polymer Degradation and Stability"

DOI: 10.1016/j.polymdegradstab.2021.109695

Abstract: Abstract This paper is devoted to the impact of oxygen diffusion on thermal ageing of PA-6,6. Samples were subjected to ageing in air at temperatures ranging from 140°C to 200°C for different times. Depth profiling… read more here.

Keywords: limited oxidation; oxidation; diffusion; diffusion limited ... See more keywords
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Oxygen-diffusion-driven oxidation behavior and tracking areas visualized by X-ray spectro-ptychography with unsupervised learning

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Published in 2019 at "Communications Chemistry"

DOI: 10.1038/s42004-019-0147-y

Abstract: Oxygen storage and release with oxygen diffusion in the bulk of the cerium–zirconium solid solution oxide Ce2Zr2Ox (x = 7–8), which possesses an atomically ordered arrangement of cerium and zirconium atoms, is the key to three-way exhaust… read more here.

Keywords: oxygen; diffusion; oxygen diffusion; ray spectro ... See more keywords
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Optimising oxygen diffusion in non-cubic, non-dilute perovskite oxides based on BiFeO3

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Published in 2019 at "Journal of Materials Chemistry A"

DOI: 10.1039/c9ta08980b

Abstract: Through molecular-dynamics simulations of rhombohedral BiFeO3, substituent cations were identified that could optimize the oxygen diffusivity and the limits of the standard crystal-chemical approach were revealed. read more here.

Keywords: cubic non; non dilute; oxygen diffusion; diffusion non ... See more keywords
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Effect of annealing on structural changes and oxygen diffusion in amorphous HfO2 using classical molecular dynamics

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Published in 2018 at "Journal of Applied Physics"

DOI: 10.1063/1.5009439

Abstract: Non-volatile memory is a promising alternative to present memory technologies. Oxygen vacancy diffusion has been widely accepted as one of the reasons for the resistive switching mechanism of transition-metal-oxide based resistive random access memory. In… read more here.

Keywords: structural changes; temperature; diffusion; oxygen diffusion ... See more keywords