Articles with "nickel cobaltite" as a keyword



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Nickel Cobaltite: A Positive Electrode Material for Hybrid Supercapacitors.

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Published in 2021 at "ChemSusChem"

DOI: 10.1002/cssc.202101465

Abstract: The increased demand of energy due to the recent technological advances in diverse fields such as portable electronics and electric vehicles are often hindered by the poor capability of energy-storage systems. Although supercapacitors (SCs) exhibit… read more here.

Keywords: nickel cobaltite; hybrid supercapacitors; energy; density ... See more keywords
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Nickel cobaltite@nanocarbon hybrid materials as efficient cathode catalyst for oxygen reduction in microbial fuel cells

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Published in 2017 at "Journal of Materials Science"

DOI: 10.1007/s10853-017-0986-9

Abstract: AbstractThe high efficiency of cathode catalyst used in the oxygen reduction reaction is a vital factor guaranteeing for the microbial fuel cells (MFCs). In this work, two novel nickel cobaltite@nanocarbon hybrids were rationally designed and… read more here.

Keywords: fuel cells; nickel cobaltite; cobaltite nanocarbon; cathode catalyst ... See more keywords
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Effect of electrolytes on the electrochemical performance of nickel cobaltite–titania nanotubes composites as supercapacitive materials

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Published in 2018 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-018-9577-z

Abstract: The effects of electrolytes on the electrochemical performance of nickel cobaltite–titania nanotubes composites as electrochemical capacitors were evaluated. Four types of electrolytes were selected to assess their effects on the prepared composites, namely aqueous electrolytes… read more here.

Keywords: nickel cobaltite; electrolytes electrochemical; performance nickel; cobaltite titania ... See more keywords
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Pyrolysis-controlled synthesis and magnetic properties of sol–gel electrospun nickel cobaltite nanostructures

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Published in 2018 at "Journal of Sol-Gel Science and Technology"

DOI: 10.1007/s10971-018-4672-4

Abstract: AbstractNickel cobaltite (NCO) is a binary transition-metal oxide, which is extensively used as an electrocatalyst and magnetic material. NCO nanofibers and NCO/graphene composite exhibit high electrochemical reactivity due to the directional bridging of NCO particles.… read more here.

Keywords: nickel cobaltite; soaking time; pyrolysis; pyrolysis soaking ... See more keywords
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Nickel cobaltite nanoparticles: preparation, characterization, and catalytic activity

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Published in 2018 at "Ionics"

DOI: 10.1007/s11581-018-2774-1

Abstract: The preparation and characterization of binary spinel nickel cobaltite, NiCo2O4 are presented by two methods. The prepared NiCo2O4 nanocomposites were tested for 1,3-dipolar cycloaddition reaction of different benzyl halides with phenylacetylene. The heterogeneity of the… read more here.

Keywords: preparation characterization; nickel cobaltite; cobaltite nanoparticles; nanoparticles preparation ... See more keywords
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Synthesis of self-assembled nickel cobaltite microspheres and their electrocapacitive behavior in aqueous electrolytes

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Published in 2020 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"

DOI: 10.1016/j.colsurfa.2019.124329

Abstract: Abstract Self-assembled nickel cobaltite microspheres composed of crystalline nanorods have been synthesized with adjustable morphologies by combining hydrothermal synthesis and subsequent heat treatments. Nickel cobaltite microspheres obtained from the synthesis system containing ethanol and water… read more here.

Keywords: synthesis self; nickel cobaltite; microspheres electrocapacitive; self assembled ... See more keywords
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Thermophysical and optical properties of NiCo2O4@ZrO2: A potential composite for thermochemical processes

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Published in 2021 at "International Journal of Hydrogen Energy"

DOI: 10.1016/j.ijhydene.2020.12.175

Abstract: Abstract The use of solar energy through thermochemical processes is an important approach to drive endothermic reactions to produce solar fuels such as hydrogen or syngas. This work reports the preparation and the thermophysical characterization… read more here.

Keywords: nickel cobaltite; nico2o4 zro2; zro2 supports; thermophysical optical ... See more keywords
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Construction of core-shell mesoporous carbon nanofiber@nickel cobaltite nanostructures as highly efficient catalysts towards 4-nitrophenol reduction.

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Published in 2019 at "Journal of colloid and interface science"

DOI: 10.1016/j.jcis.2018.12.003

Abstract: We herein report small sized nickel cobaltite (NiCo2O4) nanosheets (103-144 nm × 71-97 nm) firmly coated on mesoporous carbon nanofibers (MCNFs), as active and stable catalysts for degradation of 4-nitrophenol in sewage with NaBH4 as the reductant. MCNFs with… read more here.

Keywords: reduction; nickel cobaltite; core shell; towards nitrophenol ... See more keywords
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Nanoflakes-like nickel cobaltite as active electrode material for 4-nitrophenol reduction and supercapacitor applications.

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Published in 2021 at "Journal of hazardous materials"

DOI: 10.1016/j.jhazmat.2021.126453

Abstract: Catalytic reduction of nitroaromatic compounds present in wastewater by nanostructured materials is a promising process for wastewater treatment. A multifunctional electrode based on ternary spinal nickel cobalt oxide is used in the catalytic reduction of… read more here.

Keywords: catalytic reduction; reduction; nickel cobaltite; nanoflakes like ... See more keywords
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Oxygen vacancy confined nickel cobaltite nanostructures as an excellent interface for the enzyme-free electrochemical sensing of extracellular H2O2 secreted from live cells

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Published in 2020 at "New Journal of Chemistry"

DOI: 10.1039/d0nj03281f

Abstract: Oxygen vacancy (OV) manufacturing is an effective way to boost the efficiency of a catalyst; therefore, the development of OV-rich catalysts has attracted substantial research interest. read more here.

Keywords: nickel cobaltite; confined nickel; oxygen vacancy; vacancy ... See more keywords
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Enhanced photovoltaic performance of perovskite solar cells by Co-doped spinel nickel cobaltite hole transporting layer

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Published in 2019 at "APL Materials"

DOI: 10.1063/1.5079954

Abstract: Solution combustion synthesized hole transport layer of co-doped spinel nickel cobaltite were fabricated using doctor-blading technique for planar inverted perovskite solar cells. Perovskite solar cells incorporating Co-doped spinel nickel cobaltite shown an increase in device… read more here.

Keywords: spinel nickel; nickel cobaltite; perovskite solar; doped spinel ... See more keywords