Articles with "cobalt molybdenum" as a keyword



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Corrosion of Cobalt-Molybdenum Alloys in Chloride Solutions

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Published in 2019 at "Materials Science"

DOI: 10.1007/s11003-019-00225-y

Abstract: We study the protective properties of coatings made of Co–Mo alloy in 3% NaCl and 5% HCl aqueous solutions containing 0, 10, 25, 50, 75, and 85 wt.% Mo. The method of impedance spectroscopy is… read more here.

Keywords: chloride solutions; molybdenum alloys; corrosion; alloys chloride ... See more keywords
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Cobalt molybdenum nitrides co-promoted by chromium and potassium as catalysts for ammonia synthesis

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Published in 2017 at "Chemical Papers"

DOI: 10.1007/s11696-017-0292-7

Abstract: Chromium and potassium compounds were added to the ammonia synthesis catalyst based on cobalt molybdenum nitrides. A better developed porous structure was obtained together with the increase of the catalytic activity. In comparison to the… read more here.

Keywords: cobalt molybdenum; molybdenum nitrides; chromium potassium; ammonia synthesis ... See more keywords
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Thermal stability of catalyst for ammonia synthesis based on cobalt molybdenum nitrides

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Published in 2018 at "Chemical Papers"

DOI: 10.1007/s11696-018-0642-0

Abstract: The formation and stability of an ammonia synthesis catalyst, based on cobalt molybdenum nitrides, were studied. The activation process of the catalyst was examined by in situ X-ray diffractometry. The thermal stability of obtained active… read more here.

Keywords: stability; molybdenum nitrides; based cobalt; ammonia synthesis ... See more keywords
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Electrocatalytic hydrogen gas generation by cobalt molybdenum disulfide (CoMoS2) synthesized using alkyl-containing thiomolybdate precursors

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Published in 2017 at "International Journal of Hydrogen Energy"

DOI: 10.1016/j.ijhydene.2017.07.028

Abstract: Abstract Cobalt molybdenum disulfide, (CoMoS2) catalysts are evaluated as active electrocatalysts for the production of hydrogen gas in acidic aqueous media. These highly-active hydrogen evolution reaction (HER) catalysts are obtained from pretreatment of ammonium tetrathiomolybdate… read more here.

Keywords: hydrogen gas; hydrogen; comos2; molybdenum disulfide ... See more keywords
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Cobalt-molybdenum co-catalyst for heterogeneous photocatalytic H-mediated transformations

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Published in 2019 at "Journal of Catalysis"

DOI: 10.1016/j.jcat.2019.09.015

Abstract: Abstract Earth abundant materials, Mo and Co, are used to decorate TiO2 and work as co-catalyst for the selective semi-hydrogenation of alkynes and isomerization of estragole in a H2-free environment under UVA irradiation. Catalytic efficiency… read more here.

Keywords: heterogeneous photocatalytic; catalyst; molybdenum catalyst; photocatalytic mediated ... See more keywords
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Structures and thermodynamic stability of cobalt molybdenum oxide (CoMoO4-II)

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Published in 2018 at "Surface Science"

DOI: 10.1016/j.susc.2018.05.018

Abstract: Abstract This contribution reports density functional theory (DFT) calculations on structural and electronic properties of bulk and surfaces of cobalt molybdenum oxide CoMoO4-II; i.e., a material that enjoys a wide array of chemical catalytic and… read more here.

Keywords: oxygen; oxide comoo4; molybdenum oxide; thermodynamic stability ... See more keywords
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Cobalt-Molybdenum Single-Layered Nanocatalysts Decorated on Carbon Nanotubes and the Influence of Preparation Conditions on Their Hydrodesulfurization Catalytic Activity

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Published in 2018 at "Energy & Fuels"

DOI: 10.1021/acs.energyfuels.8b01571

Abstract: Hydrodesulfurization (HDS) of crude oil plays a vital role in the refining of petroleum products. With ever-increasing regulations restricting the allowable concentrations of sulfur in fuel, further research is required to produce more efficient and… read more here.

Keywords: carbon; single layered; layered nanocatalysts; como catalysts ... See more keywords
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Cobalt Molybdenum Nitride-Based Nanosheets for Seawater Splitting.

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Published in 2022 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.2c09272

Abstract: The development of cost-effective bifunctional catalysts for water electrolysis is both a crucial necessity and an exciting scientific challenge. Herein, a simple approach based on a metal-organic framework sacrificial template to preparing cobalt molybdenum nitride… read more here.

Keywords: based nanosheets; cobalt molybdenum; molybdenum nitride; seawater splitting ... See more keywords
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Nanolayered Cobalt-Molybdenum Sulfides as Highly Chemo- and Regioselective Catalysts for the Hydrogenation of Quinoline Derivatives

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Published in 2018 at "ACS Catalysis"

DOI: 10.1021/acscatal.7b04260

Abstract: Herein, a general protocol for the preparation of a broad range of valuable N-heterocyclic products by hydrogenation of quinolines and related N-heteroarenes is described. Interestingly, the catalytic hydrogenation of the N-heteroarene ring is chemoselectively performed… read more here.

Keywords: sulfides highly; molybdenum sulfides; highly chemo; nanolayered cobalt ... See more keywords
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Soybean Seed Enrichment with Cobalt and Molybdenum as an Alternative to Conventional Seed Treatment

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Published in 2023 at "Plants"

DOI: 10.3390/plants12051164

Abstract: Biological nitrogen fixation in soybean is enhanced when seed is treated with cobalt (Co) and molybdenum (Mo) prior to planting. In this study, our objective was to verify if Co and Mo application during the… read more here.

Keywords: application; seed; soybean; cobalt molybdenum ... See more keywords