Articles with "cose2" as a keyword



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Amorphous FeOOH Decorated CoSe2 Nanorod Heterostructured Arrays for Efficient Water Oxidation

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Published in 2020 at "Advanced Materials Interfaces"

DOI: 10.1002/admi.202001310

Abstract: In meeting the energy demand of green resources, the fabrication of effective yet cheap electrocatalytic active catalysts for the rate‐limiting half reaction, oxygen evolution reaction (OER), of electrochemical water splitting is highly desired. In this… read more here.

Keywords: cose2; amorphous feooh; water; decorated cose2 ... See more keywords
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Metallic Octahedral CoSe2 Threaded by N‐Doped Carbon Nanotubes: A Flexible Framework for High‐Performance Potassium‐Ion Batteries

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Published in 2018 at "Advanced Science"

DOI: 10.1002/advs.201800782

Abstract: Abstract Due to the abundant and low‐cost K resources, the exploration of suitable materials for potassium‐ion batteries (KIBs) is advancing as a promising alternative to lithium‐ion batteries. However, the large‐sized and sluggish‐kinetic K ions cause… read more here.

Keywords: carbon; cose2; carbon nanotubes; ion batteries ... See more keywords
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Rational Design and Synthesis of Extremely Efficient Macroporous CoSe2 -CNT Composite Microspheres for Hydrogen Evolution Reaction.

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Published in 2017 at "Small"

DOI: 10.1002/smll.201700068

Abstract: Uniquely structured CoSe2 -carbon nanotube (CNT) composite microspheres with optimized morphology for the hydrogen-evolution reaction (HER) are prepared by spray pyrolysis and subsequent selenization. The ultrafine CoSe2 nanocrystals uniformly decorate the entire macroporous CNT backbone… read more here.

Keywords: cose2; hydrogen evolution; cnt composite; composite microspheres ... See more keywords
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Rational Construction of Hollow Core-Branch CoSe2 Nanoarrays for High-Performance Asymmetric Supercapacitor and Efficient Oxygen Evolution.

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Published in 2018 at "Small"

DOI: 10.1002/smll.201700979

Abstract: Metal selenides have great potential for electrochemical energy storage, but are relatively scarce investigated. Herein, a novel hollow core-branch CoSe2 nanoarray on carbon cloth is designed by a facile selenization reaction of predesigned CoO nanocones.… read more here.

Keywords: core branch; hollow core; branch cose2; cose2 ... See more keywords
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Decorating CoSe2 hollow nanospheres on reduced graphene oxide as advanced sulfur host material for performance enhanced lithium-sulfur batteries

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Published in 2019 at "Nano Research"

DOI: 10.1007/s12274-019-2508-3

Abstract: Although lithium-sulfur batteries are one of promising rechargeable energy storage devices, their wide applications are impeded by the lithium polysulfides shuttle effect, low electronic conductivity of the cathode, and sluggish redox reaction kinetics of lithium… read more here.

Keywords: graphene oxide; lithium polysulfides; sulfur batteries; cose2 ... See more keywords
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MOF-Derived CoSe2@N-Doped Carbon Matrix Confined in Hollow Mesoporous Carbon Nanospheres as High-Performance Anodes for Potassium-Ion Batteries

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Published in 2020 at "Nano-Micro Letters"

DOI: 10.1007/s40820-020-00539-6

Abstract: Highlights A novel vacuum-assisted strategy is proposed to form N-doped carbon-encapsulated CoSe2 nanocrystals within hollow mesoporous carbon nanospheres (CoSe2@NC/HMCS) via a solid-state reaction. The “dual confinement” by both the N-doped carbon matrix derived from 2-methylimidazole… read more here.

Keywords: doped carbon; carbon; carbon nanospheres; cose2 ... See more keywords
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A comparative experimental and theoretical investigation on energy storage performance of CoSe2, NiSe2 and MnSe2 nanostructures

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Published in 2020 at "Applied Materials Today"

DOI: 10.1016/j.apmt.2020.100568

Abstract: Abstract We have investigated a comparative supercapacitor performance of the transition metal (Co, Ni and Mn) diselenides nanostructures assembled in a symmetric electrode configuration. Supercapacitor electrodes based on the transition metal selenides fabricated on Ni-foam… read more here.

Keywords: nise2 mnse2; cose2; energy storage; performance ... See more keywords
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Facile preparation of CoSe2 nano-vesicle derived from ZIF-67 and their application for efficient water oxidation

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Published in 2020 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2019.144368

Abstract: Abstract Engineering non-precious metal electrocatalysts that accompanied with excellent performance toward oxygen evolution reaction (OER) remains a great challenge. Herein, a class of CoSe2 nano-vesicle that derived from ZIF-67 nanocubes is fabricated by a facile… read more here.

Keywords: cose2; derived zif; nano vesicle; vesicle derived ... See more keywords
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Mesoporous CoSe2 nanoclusters threaded with nitrogen-doped carbon nanotubes for high-performance sodium-ion battery anodes

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Published in 2019 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2019.03.263

Abstract: Abstract Currently, a great challenge to the design of durable sodium-ion batteries (SIBs) is the need for the architecture of nanostructured transition metal-selenide electrodes with high capacity and excellent cycling stability. In this paper, we… read more here.

Keywords: performance; ion; carbon; cose2 ... See more keywords
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Hexagonal CoSe2 nanosheets stabilized by nitrogen-doped reduced graphene oxide for efficient hydrogen evolution reaction

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Published in 2020 at "International Journal of Hydrogen Energy"

DOI: 10.1016/j.ijhydene.2019.11.059

Abstract: Abstract CoSe2 is considered as a promising candidate among non-noble metal electrocatalysts for the hydrogen evolution reaction (HER) due to its intrinsic metallicity and low Gibbs free energy for hydrogen adsorption. Recently, the hexagonal CoSe2… read more here.

Keywords: cose2 nanosheets; hexagonal cose2; cose2; hydrogen evolution ... See more keywords
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In-situ growth of V-shaped CoSe2 nanorods on graphene with C–Co bonding for high-rate and long-life sodium-ion batteries

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Published in 2020 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2019.153359

Abstract: Abstract A new V-shaped CoSe2 nanorods @ Graphene (GR) nanocomposite has been prepared by using a simple one-step hydrothermal method. The V-shaped CoSe2@GR shows the enhanced electrochemical properties compared to pure hierarchical urchin-like CoSe2 microspheres.… read more here.

Keywords: sodium ion; cose2 nanorods; cose2; nanorods graphene ... See more keywords