TWI694055B

The present invention aims to provide a graphene material in a specific form that has a high dispersibility and can maintain a high electric conductivity and ion conductivity when used as material for electrode manufacturing. The invention provides a graphene dispersion liquid including graphene dis...

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Bibliographische Detailangaben
Hauptverfasser:	HIRAI, YOSHIHIDE, TAMAKI, EIICHIRO, KAWASAKI, MANABU
Format:	Patent
Sprache:	chi
Schlagworte:	ADHESIVES BASIC ELECTRIC ELEMENTS CABLES CHEMISTRY COMPOUNDS THEREOF CONDUCTORS DYES ELECTRICITY INORGANIC CHEMISTRY INSULATORS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING NATURAL RESINS NON-METALLIC ELEMENTS PAINTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL POLISHES PREPARATION OF CARBON BLACK PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES TRANSPORTING TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES
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Beschreibung
Zusammenfassung:	The present invention aims to provide a graphene material in a specific form that has a high dispersibility and can maintain a high electric conductivity and ion conductivity when used as material for electrode manufacturing. The invention provides a graphene dispersion liquid including graphene dispersed in an organic solvent and meeting both 0.5 µm ¤ S ¤ 15 µm and 1.0 ¤ D/S ¤ 3.0 wherein D is the median diameter (µm) of the graphene measured by the laser diffraction/scattering type particle size distribution measurement method and S is the average size (µm) in the planar direction of the graphene calculated from the arithmetic mean of the longest diameter and shortest diameter of the graphene observed by a laser microscope.