COMPOSITE INCLUDING POROUS GRAPHENE AND CARBON NANOTUBE MATERIAL
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United States of America Patent
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Feb 1, 2018
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Sep 30, 2016
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Jul 28, 2016
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A graphene composite of a porous structure includes a laminate which is laminated by two or more layers of reduced graphene (rGO) in which a plurality of holes are formed and carbon nanotubes present in the interface(s) between the layers of the reduced graphene (rGO) forming the laminate. An electrode made of the composite is also provided. The graphene composite of a porous structure includes the graphene forming a number of holes to increase the surface area, and includes the carbon nanotubes present in the interface(s) between the layers of graphene (rGO) to inhibit re-lamination of the graphene and widen the contact area of the electrolyte, so that the electrolyte is easily penetrated. Thus, the ionic conductivity is improved, and on preparing an electrode, it is possible to provide an electrode with improved electrochemical properties.
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