Articles with "cobalt oxides" as a keyword



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Cobalt Deposition from Ionothermally Dissolved Cobalt Oxides.

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Published in 2023 at "ChemSusChem"

DOI: 10.1002/cssc.202300090

Abstract: Due to the environmental problems of numerous metal production processes, there is a growing need for more energy-efficient approaches. Cobalt is considered a strategic element that is extracted not only from ores but also from… read more here.

Keywords: cobalt deposition; dissolved cobalt; ionothermally dissolved; deposition ionothermally ... See more keywords
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The Solid-State-Grinding Synthesis of Maganese-Modified Cobalt Oxides and Application in the Low-Temperature CO Preferential Oxidation in H2-Rich Gases

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Published in 2017 at "Catalysis Surveys from Asia"

DOI: 10.1007/s10563-017-9235-0

Abstract: A series of MnOx modified cobalt oxides with different atomic molar ratios of Mn/(Mn + Co) were prepared by a soft reactive grinding route and investigated for CO preferential oxidation in H2. It was found that as-prepared… read more here.

Keywords: low temperature; oxidation; modified cobalt; cobalt oxides ... See more keywords
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Validated model of thermochemical energy storage based on cobalt oxides

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Published in 2019 at "Applied Thermal Engineering"

DOI: 10.1016/j.applthermaleng.2019.113965

Abstract: Abstract Thermal Energy Storage (TES) can play a critical role through provision of reliable energy supply and increase the market penetration of renewable energy sources. Thermochemical Energy Storage (TCES) based on reversible reactions offers distinguished… read more here.

Keywords: energy storage; model; storage; energy ... See more keywords
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Effect of A -site cation ordering on the thermoelectric properties of the complex cobalt oxides Gd 1-x Sr x CoO 3-δ ( x = 0.8 and 0.9)

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Published in 2018 at "Ceramics International"

DOI: 10.1016/j.ceramint.2018.03.037

Abstract: Abstract The effect of substitution of Sr2+ ions for Gd3+ ions on the phase composition, electrical resistivity, thermoelectricity, and thermal conductivity of rare-earth cobalt oxides Gd1-xSrxCoO3-δ (x = 0.8 and 0.9) has been investigated. It has been… read more here.

Keywords: cation ordering; effect; site cation; effect site ... See more keywords
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High-Pressure Synthesis and Magnetic States of Magnetoplumbite Cobaltates CaCo12O19 and BaCo12O19.

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Published in 2021 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.0c03726

Abstract: Novel cobalt oxides, CaCo12O19 and BaCo12O19, have been synthesized under high-pressure and high-temperature conditions of 7 GPa and 1373 K, respectively. Rietveld refinement using synchrotron X-ray diffraction data indicates that the CaCo12O19 and BaCo12O19 crystallize… read more here.

Keywords: localized electrons; caco12o19 baco12o19; pressure synthesis; cobalt oxides ... See more keywords
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Tunable C2 Products via Photothermal Steam Reforming of CO2 over Surface-Modulated Mesoporous Cobalt Oxides.

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Published in 2023 at "Nano letters"

DOI: 10.1021/acs.nanolett.3c00524

Abstract: The conversion of CO2 to high-value products by renewable energy is a promising approach for realizing carbon neutralization, but the selectivity and efficiency of C2+ products are not satisfying. Herein, we report the controllable preparation… read more here.

Keywords: surface; selectivity; co2; cobalt oxides ... See more keywords
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Graphene-supported 2D cobalt oxides for catalytic applications.

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Published in 2020 at "Faraday discussions"

DOI: 10.1039/c9fd00110g

Abstract: 2D materials are attracting increasing attention in many strategic applications. In particular, ultra-thin non-layered oxides have been shown to outperform their 3D counter-parts in several health and energy applications, such as the removal of toxic… read more here.

Keywords: cobalt; oxidation; oxides catalytic; graphene supported ... See more keywords
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Electrochemical deposition of amorphous cobalt oxides for oxygen evolution catalysis

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Published in 2022 at "RSC Advances"

DOI: 10.1039/d2ra00492e

Abstract: The oxygen evolution reaction (OER) is crucial in water splitting for hydrogen production. However, its high over-potential and sluggish kinetics cause an additional energy loss and hinder its practical application. The cobalt spinel oxide Co3O4… read more here.

Keywords: oxygen evolution; cobalt; electrochemical deposition; activity ... See more keywords
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Nanopowders of cuprum, cobalt and their oxides used in the intensive technology for growing cucumbers

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Published in 2018 at "International Journal of Nanotechnology"

DOI: 10.1504/ijnt.2018.094792

Abstract: The paper covers the development of an intensive technology for growing vegetables using some nanodrugs. Each farm growing cucumbers is intended to increase its production of vegetables by means of multiplying their yield, which can… read more here.

Keywords: intensive technology; growing cucumbers; nanopowders cuprum; cobalt oxides ... See more keywords
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Electrodeposition of Cobalt Oxides on Carbon Nanotubes for Sensitive Bromhexine Sensing

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Published in 2022 at "Molecules"

DOI: 10.3390/molecules27134078

Abstract: We develop an electrochemical sensor for the determination of bromhexine hydrochloride (BHC), a widely use mucolytic drug. The sensor is prepared by electrodeposition of cobalt oxides (CoOx) on a glassy carbon electrode modified with carboxylated… read more here.

Keywords: electrodeposition cobalt; bromhexine; carbon nanotubes; bhc ... See more keywords