Articles with "carbon aerogels" as a keyword



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Robust, Superelastic Hard Carbon with In Situ Ultrafine Crystals

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Published in 2019 at "Advanced Functional Materials"

DOI: 10.1002/adfm.201907486

Abstract: Advancement in developing superelastic carbon aerogels is highly demanded in new industry sectors, particularly in wearable functional electronics for artificial intelligence applications. However, it is very challenging to increase the compressive strength and electrical conductivity… read more here.

Keywords: situ ultrafine; superelastic hard; carbon; robust superelastic ... See more keywords
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Superelastic Hard Carbon Nanofiber Aerogels.

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Published in 2019 at "Advanced materials"

DOI: 10.1002/adma.201900651

Abstract: Superelastic carbon aerogels have been widely explored by graphitic carbons and soft carbons. These soft aerogels usually have delicate microstructures with good fatigue resistance but ultralow strength. Hard carbon aerogels show great advantages in mechanical… read more here.

Keywords: nanofiber aerogels; carbon; hard carbon; superelastic hard ... See more keywords
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Experimental Investigation of Pressure on the Thermal Conductivity of Granular Carbon Aerogels

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Published in 2019 at "International Journal of Thermophysics"

DOI: 10.1007/s10765-019-2522-4

Abstract: The thermal conductivity of granular carbon aerogels was measured using the transient hot-strip method under different pressure conditions through the design and construction of a high-pressure chamber and a vacuum chamber to provide a pressure… read more here.

Keywords: granular carbon; carbon aerogels; thermal conductivity; conductivity granular ... See more keywords
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Freestanding carbon aerogels produced from bacterial cellulose and its Ni/MnO2/Ni(OH)2 decoration for supercapacitor electrodes

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Published in 2018 at "Journal of Applied Electrochemistry"

DOI: 10.1007/s10800-018-1183-5

Abstract: Bacterial cellulose (BC) was used as a raw material to produce freestanding carbon aerogels (CAs). The CAs were further decorated with Ni and MnO2/Ni(OH)2 hybrid via electrodeposition and redox reaction to produce carbon nanofiber networks… read more here.

Keywords: freestanding carbon; bacterial cellulose; supercapacitor electrodes; carbon aerogels ... See more keywords
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Design of high specific surface area N-doped carbon aerogels via a microwave reduction method

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Published in 2018 at "Journal of Materials Science"

DOI: 10.1007/s10853-018-2909-9

Abstract: Improving the specific capacitance of carbon aerogels in supercapacitors and maintaining their high specific surface area remained an important challenge. Here, we prepared resorcinol–phloroglucinol–formaldehyde carbon aerogels reduced with hydrazine hydrate by a microwave method. The… read more here.

Keywords: carbon aerogels; doped carbon; carbon; surface area ... See more keywords
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The effect of pulverization methods on the microstructure of stiff, ductile, and flexible carbon aerogels

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Published in 2020 at "Journal of Materials Science"

DOI: 10.1007/s10853-020-04397-w

Abstract: Carbon aerogels find application in many fields. In most of the applications, they are used as powders and thus need to be pulverized. However, the pulverization could induce various changes in the microstructure of carbon… read more here.

Keywords: carbon; microscopy; stiff ductile; carbon aerogels ... See more keywords
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N-doped interconnected carbon aerogels as an efficient SeS2 host for long life Na-SeS2 batteries

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Published in 2020 at "Nano Research"

DOI: 10.1007/s12274-020-2726-8

Abstract: Selenium sulfide (SeS2) cathodes have attracted much concerns as an optimized choice comparing to sulfur and selenium for lithium and sodium storage. However, it also suffers from poor cycling stability due to the dissolution of… read more here.

Keywords: ses2 host; doped interconnected; efficient ses2; ses2 ... See more keywords
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P-doped hierarchical porous carbon aerogels derived from phenolic resins for high performance supercapacitor

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Published in 2019 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2018.12.095

Abstract: Abstract P-doped hierarchical porous carbon aerogels are prepared by carbonizing the phloroglucin-formaldehyde resins in the presence of ZnCl2 and subsequently being activated by KOH. Phosphoric acid is simultaneously used as the polymerization catalyst and P-doped… read more here.

Keywords: hierarchical porous; doped hierarchical; carbon aerogels; porous carbon ... See more keywords
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Synthesis of biomass-based carbon aerogels in energy and sustainability.

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Published in 2020 at "Carbohydrate research"

DOI: 10.1016/j.carres.2020.107986

Abstract: Carbon aerogels are 3D hierarchical multiscale porous materials with outstanding physicochemical properties such as high specific surface area, low density, high porosity, excellent electrical conductor, good chemical stability, hydrophobicity, and adjustable surface chemistry among others.… read more here.

Keywords: carbon; biomass based; based carbon; carbon aerogels ... See more keywords
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Highly porous composite based on tungsten carbide and N-doped carbon aerogels for electrocatalyzing oxygen reduction reaction in acidic and alkaline media

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Published in 2017 at "Electrochimica Acta"

DOI: 10.1016/j.electacta.2017.02.156

Abstract: Abstract Precursors of tungsten carbide/Melamine/carbon aerogels(WC@C/N/CA)porous catalysts were designed and prepared by using the porous carbon aerogels with SiO 2 as the hard template and very large specific surface areas were obtained. By adding tungsten… read more here.

Keywords: alkaline media; tungsten carbide; carbon aerogels; reduction reaction ... See more keywords
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Facile green synthesis of 3D porous glucose-based carbon aerogels for high-performance supercapacitors

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Published in 2017 at "Electrochimica Acta"

DOI: 10.1016/j.electacta.2017.11.146

Abstract: Abstract As new-generation carbon materials, carbon aerogels (CAs) offer opportunities in supercapacitor application owing to their excellent properties. Herein, we present a facile, green synthesis of CAs using glucose as carbon source, one of the… read more here.

Keywords: facile green; carbon; green synthesis; glucose ... See more keywords