CONDUCTIVE CARBON MIXTURE AND METHOD FOR MANUFACTURING SAME, ELECTRODE USING CONDUCTIVE CARBON MIXTURE AND METHOD FOR MANUFACTURING SAME, AND ELECTRICITY STORAGE DEVICE PROVIDED WITH ELECTRODE

Provided is a conductive carbon mixture which is to be used together with an electrode active material in manufacturing an electrode of an electricity storage device and enables the manufacture of the electricity storage device having a good cycle life. The conductive carbon mixture for manufacturin...

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Bibliographische Detailangaben
Hauptverfasser:	SHIRAISHI, Yasuyoshi, KUBOTA, Satoshi, KOIKE, Masaki, MIYAMOTO, Noriyuki, ISHIMOTO, Shuichi
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES BASIC ELECTRIC ELEMENTS CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE CHEMISTRY DYES ELECTRICITY METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES PREPARATION OF CARBON BLACK PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES
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Beschreibung
Zusammenfassung:	Provided is a conductive carbon mixture which is to be used together with an electrode active material in manufacturing an electrode of an electricity storage device and enables the manufacture of the electricity storage device having a good cycle life. The conductive carbon mixture for manufacturing an electrode of an electricity storage device comprises an oxidized carbon having electrical conductivity and a different conductive carbon which is different from the oxidized carbon, wherein the oxidized carbon covers the surface of the different conductive carbon. The conductive carbon mixture is characterized in that the ratio of the peak intensity of the 2D band to the peak intensity of the D band in a Raman spectrum of the conductive carbon mixture is 55% or less relative to the ratio of the peak intensity of the 2D band to the peak intensity of the D band in a Raman spectrum of the different conductive carbon. This conductive carbon mixture covers the surface of the electrode active material in a particularly good manner and thus prolongs the cycle life of the electricity storage device.