GRAPHENE NANO-SHEETS AND METHODS FOR MAKING THE SAME

PURPOSE: A graphene nanosheet and a manufacturing method of the same are provided to generate graphene products with high purity by using a vacuum induction heating method. CONSTITUTION: A manufacturing method for expanded graphite includes the following steps of: arranging expandable graphite in a...

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Bibliographic Details
Main Authors GARDNER SANDRA J, WU YILIANG
Format Patent
LanguageEnglish
Korean
Published 07.06.2013
Subjects
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
MANUFACTURE OR TREATMENT THEREOF
METALLURGY
NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS,MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES ASDISCRETE UNITS
NANOTECHNOLOGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
TRANSPORTING
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Summary:PURPOSE: A graphene nanosheet and a manufacturing method of the same are provided to generate graphene products with high purity by using a vacuum induction heating method. CONSTITUTION: A manufacturing method for expanded graphite includes the following steps of: arranging expandable graphite in a chamber; evacuating the chamber; and induction heating the expandable graphite under vacuum atmosphere based on electric currents to form expanded graphite. A manufacturing method of graphene products includes the following steps of: arranging expandable graphite containing an inserting agent in a chamber; evacuating the chamber; induction heating the expandable graphite to form expanded graphite; and exfoliating the expanded graphite in a solvent to form one or more graphene nanosheets dispersed in the solvent.
Bibliography:Application Number: KR20120134436