Articles with "state conversion" as a keyword



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Self-Activated Formation of Hierarchical Co3 O4 Nanoflakes with High Valence-State Conversion Capability for Ultrahigh-Capacity Zn-Co Batteries.

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Published in 2022 at "Small"

DOI: 10.1002/smll.202107149

Abstract: Cobalt-based materials are attracting increasing interest in alkaline Zn batteries due to the high theoretical capacity. However, the practical utilization is restricted by the poor microstructure and insufficient valence-state conversion. Herein, a self-activated formation of… read more here.

Keywords: valence state; state conversion; capacity; conversion ... See more keywords
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Dynamic chemical state conversion of nickel species supported on silica under CO–NO reaction conditions

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Published in 2017 at "Catalysis Today"

DOI: 10.1016/j.cattod.2017.07.028

Abstract: Abstract The chemical state conversion of Ni species supported on SiO 2 under CO and NO atmosphere was observed by in situ XAFS techniques, and the reversible and quantitative chemical state conversions between NiO and… read more here.

Keywords: state; chemical state; state conversion; species supported ... See more keywords
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Porous materials for steady-state NO conversion: Comparisons of activated carbon fiber cloths, zeolites and metal-organic frameworks

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Published in 2019 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2018.11.102

Abstract: Abstract It is important to develop new materials/methods to remove NO from gas streams to protect the environment. Use of porous materials to catalytically convert NO to NO2 may improve existing NOx control technologies. In… read more here.

Keywords: state conversion; conversion; porous materials; activated carbon ... See more keywords
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High-speed efficient terahertz modulation based on tunable collective-individual state conversion within an active 3nm-two dimensional electron gas metasurface.

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Published in 2019 at "Nano letters"

DOI: 10.1021/acs.nanolett.9b01273

Abstract: Terahertz (THz) modulators are always realized by dynamically manipulating the conversion between different resonant modes within a single unit cell of an active metasurface. In this paper, to achieve real high-speed THz modulation, we present… read more here.

Keywords: state conversion; conversion; metasurface; individual state ... See more keywords
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Solid-State Conversion of Magnesium Waste to Advanced Hydrogen-Storage Nanopowder Particles

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Published in 2020 at "Nanomaterials"

DOI: 10.3390/nano10061037

Abstract: Recycling of metallic solid-waste (SW) components has recently become one of the most attractive topics for scientific research and applications on a global scale. A considerable number of applications are proposed for utilizing metallic SW… read more here.

Keywords: solid state; hydrogen storage; state conversion; waste ... See more keywords