NANO PARTICLE-GRAPHENE-CARBON COMPOSITES CONTAINING INTERNALLY DISPERSED GRAPHENE, METHOD FOR PREPARING THE COMPOSITE, AND APPLICATION THEREOF
The present invention relates to a nano particle-graphene-carbon composite having dispersed graphene therein and to the preparation thereof, wherein the present invention relates to an electrode using the nano particle-graphene-carbon composite having dispersed graphene therein, a secondary battery...
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| creator | CHAE, CHANG JU PARK, HONG YEOL LEE, JUNG KYOO |
| description | The present invention relates to a nano particle-graphene-carbon composite having dispersed graphene therein and to the preparation thereof, wherein the present invention relates to an electrode using the nano particle-graphene-carbon composite having dispersed graphene therein, a secondary battery including the same and an electricity storage apparatus including the same. The nano particle-graphene-carbon composite according to the present invention has uniformly dispersed graphene, which has excellent conductivity and mechanical elasticity and a remarkably large specific surface area inside the composite, thereby absorbing changes in volume according to charging/discharging, and forming an electric conductivity network inside the composite, and thus exhibits the effect of allowing its utilization as a secondary battery electrode material having high capacity and remarkably extended cycle lifespan. In particular, according to the preparation method of the present invention, the effect of allowing easiness of mass-production is produced by a sol-gel method. |
| format | Patent |
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The nano particle-graphene-carbon composite according to the present invention has uniformly dispersed graphene, which has excellent conductivity and mechanical elasticity and a remarkably large specific surface area inside the composite, thereby absorbing changes in volume according to charging/discharging, and forming an electric conductivity network inside the composite, and thus exhibits the effect of allowing its utilization as a secondary battery electrode material having high capacity and remarkably extended cycle lifespan. 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| subjects | BASIC ELECTRIC ELEMENTS ELECTRICITY MANUFACTURE OR TREATMENT THEREOF NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS,MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES ASDISCRETE UNITS NANOTECHNOLOGY PERFORMING OPERATIONS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY TRANSPORTING |
| title | NANO PARTICLE-GRAPHENE-CARBON COMPOSITES CONTAINING INTERNALLY DISPERSED GRAPHENE, METHOD FOR PREPARING THE COMPOSITE, AND APPLICATION THEREOF |
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