Articles with "cobalt oxide" as a keyword



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The Effect of Heteroatom Doping on Nickel Cobalt Oxide Electrocatalysts for Oxygen Evolution and Reduction Reactions.

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Published in 2020 at "ChemPlusChem"

DOI: 10.1002/cplu.202000436

Abstract: The synthesis of nickel cobalt oxide materials and their electrocatalytic performance toward the oxygen reduction and evolution reactions are reported. Nickel cobalt oxides were synthesized in a sol-gel process with different precursors, namely nitrate, sulfate,… read more here.

Keywords: reduction; cobalt; cobalt oxide; nickel cobalt ... See more keywords
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Characterization of Cobalt Oxide and Calcium-Aluminum Oxide nano-catalyst through Scanning Electron Microscopy, X-ray diffraction, and Energy Dispersive X-ray Spectroscopy.

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Published in 2020 at "Microscopy research and technique"

DOI: 10.1002/jemt.23504

Abstract: The Cobalt Oxide and Calcium-Aluminum Oxide nano-catalysts were analyzed using Scanning Electronic Microscopy (SEM), X-ray diffraction (XRD), and dispersive X-ray spectroscopy (EDX) techniques. Preliminary results showed that the particles of Cobalt Oxide exhibit sponge like… read more here.

Keywords: cobalt oxide; microscopy; spectroscopy; calcium aluminum ... See more keywords
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Minocycline incorporated cobalt oxide nanoparticles in dental sealants: An in vitro study

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Published in 2022 at "Microscopy Research and Technique"

DOI: 10.1002/jemt.24109

Abstract: The purpose of this study was to introduce antibacterial property to pits and fissure sealant (PFS) in order to mitigate the major clinical problems associated with PFS, such as microleakage and secondary caries. We prepared… read more here.

Keywords: cobalt oxide; pfs; minocycline incorporated; mnc ... See more keywords
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Oxidation of Benzyl Alcohol Using Cobalt Oxide Supported Inside and Outside Hollow Carbon Spheres

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Published in 2021 at "ChemistryOpen"

DOI: 10.1002/open.202000312

Abstract: Abstract Cobalt oxide nanoparticles (6 nm) supported both inside and outside of hollow carbon spheres (HCSs) were synthesized by using two different polymer templates. The oxidation of benzyl alcohol was used as a model reaction to… read more here.

Keywords: inside outside; carbon; cobalt oxide; supported inside ... See more keywords
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3D Gold-Modified Cerium and Cobalt Oxide Catalyst on a Graphene Aerogel for Highly Efficient Catalytic Formaldehyde Oxidation.

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Published in 2019 at "Small"

DOI: 10.1002/smll.201804415

Abstract: A hard template method is used to prepare porous gold-doped cerium and cobalt oxide (Au-Cex Coy ) materials. A series of 3D Au-Ce x Coy /graphene aerogel (GA) composites is then fabricated by a facile… read more here.

Keywords: graphene aerogel; cobalt oxide; oxidation; catalyst graphene ... See more keywords
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Phosphorus Regulated Cobalt Oxide@Nitrogen-Doped Carbon Nanowires for Flexible Quasi-Solid-State Supercapacitors.

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Published in 2020 at "Small"

DOI: 10.1002/smll.201906458

Abstract: Battery-type materials are promising candidates for achieving high specific capacity for supercapacitors. However, their slow reaction kinetics hinders the improvement in electrochemical performance. Herein, a hybrid structure of P-doped Co3 O4 (P-Co3 O4 ) ultrafine… read more here.

Keywords: doped carbon; cobalt oxide; regulated cobalt; carbon nanowires ... See more keywords
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Hollow Cobalt Oxide/Carbon Hybrids Aid Metabolic Encoding for Active Systemic Lupus Erythematosus during Pregnancy.

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Published in 2022 at "Small"

DOI: 10.1002/smll.202106412

Abstract: A noninvasive, easy operation, and accurate diagnostic protocol is highly demanded to assess systemic lupus erythematosus (SLE) activity during pregnancy, promising real-time activity monitoring during the whole gestational period to reduce adverse pregnancy outcomes. Here,… read more here.

Keywords: sle; cobalt oxide; hollow cobalt; systemic lupus ... See more keywords
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Crystal Phase Conversion on Cobalt Oxide: Stable Adsorption toward LiO2 for Film-Like Discharge Products Generation in Li-O2 Battery.

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Published in 2022 at "Small"

DOI: 10.1002/smll.202201150

Abstract: Regulating the structure and morphology of discharge product is one of the key points for developing high performance Li-O2 batteries (LOBs). In this study, the reaction mechanism of LOB is successfully controlled by the regulated… read more here.

Keywords: cobalt oxide; film like; cobalt; discharge ... See more keywords
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Parallel Aluminum-Cobalt Oxide Nanosheet Arrays with High-Temperature Ferromagnetism.

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Published in 2023 at "Small"

DOI: 10.1002/smll.202301513

Abstract: Parallel nanomaterials possess unique properties and show potential applications in industry. Whereas, vertically aligned 2D nanomaterials have plane orientations that are generally chaotic. Simultaneous control of their growth direction and spatial orientation for parallel nanosheets… read more here.

Keywords: cobalt oxide; aluminum cobalt; temperature; high temperature ... See more keywords
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Synthesis of Well-Defined, Surfactant-Free Co3O4 Nanoparticles: The Impact of Size and Manganese Promotion on Co3O4 Reduction and Water Oxidation Activity

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Published in 2017 at "Catalysis Letters"

DOI: 10.1007/s10562-017-2213-3

Abstract: AbstractA surfactant-free synthetic route has been developed to produce size-controlled, cube-like cobalt oxide nanoparticles of three different sizes in high yields. It was found that by using sodium nitrite as salt-mediating agent, near-quantitative yields could… read more here.

Keywords: surfactant free; cobalt oxide; size; water oxidation ... See more keywords
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Local degradation pathways in lithium-rich manganese–nickel–cobalt oxide epitaxial thin films

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Published in 2017 at "Journal of Materials Science"

DOI: 10.1007/s10853-017-1593-5

Abstract: The electrochemical performance and microstructure of positive electrodes are intimately linked. As such, developing batteries resistance to capacity and voltage fade requires understanding these underlying structure–property relationships and their evolution with operation. Epitaxial films of… read more here.

Keywords: degradation; cobalt oxide; nickel cobalt; manganese nickel ... See more keywords