Articles with "carbon nanosheet" as a keyword



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Construction of FeP Hollow Nanoparticles Densely Encapsulated in Carbon Nanosheet Frameworks for Efficient and Durable Electrocatalytic Hydrogen Production

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Published in 2019 at "Advanced Science"

DOI: 10.1002/advs.201801490

Abstract: Abstract Developing noble‐metal‐free based electrocatalysts with high activity, good stability, and low cost is critical for large‐scale hydrogen production via water splitting. In this work, hollow FeP nanoparticles densely encapsulated in carbon nanosheet frameworks (donated… read more here.

Keywords: nanosheet frameworks; hydrogen; fep; hollow nanoparticles ... See more keywords
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Direct synthesis of interconnected porous carbon nanosheet/nickel foam composite for high-performance supercapacitors by microwave-assisted heating

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Published in 2017 at "Journal of Porous Materials"

DOI: 10.1007/s10934-017-0504-0

Abstract: Interconnected porous carbon nanosheet/nickel foam (PCNS/NF) composites were prepared directly from coal tar pitch on three-dimensional (3D) NF via microwave-assisted heating using Zn(CH3COO)2·2H2O as template precursor coupled with in-situ KOH activation. For comparison, the electrochemical… read more here.

Keywords: pcns; nanosheet nickel; interconnected porous; porous carbon ... See more keywords
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Preparation and electrical-property characterization of poly(vinyl chloride)-derived carbon nanosheet by ion beam irradiation-induced carbon clustering and carbonization

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Published in 2018 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2018.01.095

Abstract: Abstract In this work, we demonstrated that carbon nanosheet (CNS) can easily be produced by a room-temperature, solid-state proton irradiation-induced clustering of poly(vinyl chloride) (PVC) films followed by carbonization. The results of the optical, chemical,… read more here.

Keywords: carbon nanosheet; irradiation; carbon; irradiation induced ... See more keywords
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Mesoporous carbon nanosheet-assembled flowers towards superior potassium storage

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Published in 2020 at "Chinese Chemical Letters"

DOI: 10.1016/j.cclet.2020.09.025

Abstract: Abstract Potassium-ion batteries (PIBs) are attracted tremendous interest for large-scale energy storage systems (ESSs) owing to their economic merits. However, the main challenges of the PIBs are sluggish K-ion diffusion and large volume variations in… read more here.

Keywords: nanosheet assembled; potassium; storage; carbon nanosheet ... See more keywords
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Co3O4-doped two-dimensional carbon nanosheet as an electrode material for high-performance asymmetric supercapacitors

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Published in 2020 at "Electrochimica Acta"

DOI: 10.1016/j.electacta.2020.135611

Abstract: Abstract Transition metal oxide-doped two-dimensional (2D) carbon nanosheets are attractive for the preparation of supercapacitors. However, the synthesis of the composites involves complex steps and multiple reagents. Herein, we demonstrate a simple and effective method… read more here.

Keywords: doped two; carbon; two dimensional; dimensional carbon ... See more keywords
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High and ultra-stable energy storage from all-carbon sodium-ion capacitor with 3D framework carbon as cathode and carbon nanosheet as anode

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Published in 2021 at "Journal of Energy Chemistry"

DOI: 10.1016/j.jechem.2020.06.034

Abstract: Abstract Sodium-ion capacitors (SICs) are extremely promising due to the combined merits of high energy-power characteristics and considerable price advantage. However, it is still difficult to achieve high energy-power outputs and cycle stability in a… read more here.

Keywords: sodium ion; carbon; energy; high energy ... See more keywords
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Conversion Syzygium oleana leaves biomass waste to porous activated carbon nanosheet for boosting supercapacitor performances

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Published in 2020 at "Journal of materials research and technology"

DOI: 10.1016/j.jmrt.2020.09.049

Abstract: Abstract The porous activated carbon nanosheet derived from Syzygium oleana leaves biomass was prepared by one-stage integrated pyrolysis through both carbonization and physical activation for supercapacitor electrode as energy storage application. Carbonization was performed in… read more here.

Keywords: porous activated; oleana leaves; activated carbon; carbon nanosheet ... See more keywords
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Graphite Carbon Nanosheet-Coated Cobalt-Doped Molybdenum Carbide Nanoparticles for Efficient Alkaline Hydrogen Evolution Reaction

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Published in 2020 at "ACS Applied Nano Materials"

DOI: 10.1021/acsanm.0c02723

Abstract: Nanotransition-metal based carbide (TMC) electrocatalysts owing to the desirable metallic properties and platinum-like d-band electronic configuration have arisen as potential hydrogen evolution re... read more here.

Keywords: carbide; hydrogen evolution; graphite carbon; carbon nanosheet ... See more keywords
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Zipping assembly of an Fe3O4/carbon nanosheet composite as a high-performance supercapacitor electrode material

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Published in 2018 at "RSC Advances"

DOI: 10.1039/c8ra06970k

Abstract: Reasonable structure design and component selection are crucial to electrochemical performance of supercapacitor electrode materials. Sodium alginate (SA), with a novel structure which can immobilize multivalent metal cations, was used to coordinate with Fe3+ to… read more here.

Keywords: carbon; electrode material; performance; performance supercapacitor ... See more keywords
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Polymer-Derived Nitrogen-Doped Carbon Nanosheet Cluster and Its Application for Water Purification

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Published in 2021 at "Macromolecules"

DOI: 10.3390/macromol1020007

Abstract: A series of nitrogen-doped carbons (NCs) were prepared by the pyrolysis (300–900 °C) of crystalline polyazomethine (PAM) synthesized via a facile condensation reaction in methanol solvent. The controlled solvent evaporation resulted in PAM crystals in… read more here.

Keywords: doped carbon; nitrogen doped; water; polymer derived ... See more keywords
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Metal Oxide/Nitrogen-Doped Carbon Nanosheet Heteronanostructures as Highly Efficient Electromagnetic Wave Absorbing Materials

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Published in 2021 at "Molecules"

DOI: 10.3390/molecules26247537

Abstract: In this paper, we will discuss the excellent broadband microwave absorption behaviors of Cu/CuO/carbon nanosheet composites: traces of copper and oxide embedded in a carbon nano-sheet not only cut down the high permittivity of adsorbs… read more here.

Keywords: metal oxide; carbon; carbon nanosheet; electromagnetic wave ... See more keywords