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Graphenated carbon nanotubes, a method for preparing same and the use tehreof as an electrode

Authors: Menéndez Díaz, José Ángel; Arenillas de la Puente, Ana; Martín Gullón, Ignacio; Ramos Fernández, Gloria;

Graphenated carbon nanotubes, a method for preparing same and the use tehreof as an electrode

Abstract

El objeto de la presente invención se refiere a un nuevo material de carbono consistente en un xerogel de carbono de elevada microporosidad y mesoporosidad y que está grafenado, dopado con una cierta cantidad de grafeno homogéneamente distribuida en su estructura interna. Dicho material presenta una elevada área superficial específica y una elevada conductividad eléctrica, lo que le dota de unas excelentes propiedades electroquímicas para su uso como electrodo de súpercondensadores. Este material se produce mezclando resorcinol, formaldehido, metanol, un catalizador y una suspensión acuosa de óxido de grafeno; sometiendo esta mezcla a un calentamiento con microondas y posteriormente a un proceso de carbonización o activación. Además, la presente invención se refiere al uso del material de carbono nanoporoso grafenado como electrodo de súpercondensadores. [ES]

The subject matter of the present invention relates to a novel carbon-based material consisting of a carbon xerogel with high micro- and macroporosity and which is graphenated, doped with an amount of graphene homogeneously distributed throughout the internal structure thereof. Said material exhibits a high specific surface area and high electrical conductivity, thereby conferring excellent electrochemical properties for use as a supercapacitor electrode. Said material is produced by mixing resorcinol, formaldehyde, methanol, a catalyst and an aqueous suspension of graphene oxide, subjecting said mixture to microwave heating and subsequently a carbonisation or activation process. The present invention also relates to the use of the nanoporous graphenated carbon-based material as an electrode in supercapacitors. [EN]

Consejo Superior de Investigaciones Científicas (España), Universitat d'Alacant

A2 Solicitud de patente sin informe sobre el estado de la técnica

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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