PITCH-BASED ULTRAFINE CARBON FIBERS, METHOD FOR PRODUCING SAME, NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY NEGATIVE ELECTRODE USING SAID PITCH-BASED ULTRAFINE CARBON FIBERS, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY HAVING SAID NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY NEGATIVE ELECTRODE

The present invention provides pitch-based ultrafine carbon fibers that have an average fiber diameter of at least 100 nm and less than 700 nm, and an average fiber length of 10 µm or more, wherein C-O bonds > C=O bonds in terms of the abundance ratio (molar ratio) of C-O bonds and C=O bonds deri...

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Bibliographische Detailangaben
Hauptverfasser:	HIRAKAWA, RYOTA, YACHI, KAZUKI, KANEMATSU, ASAMI
Format:	Patent
Sprache:	eng ; pol
Schlagworte:	APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS BASIC ELECTRIC ELEMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS ELECTRICITY FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR LAUNDERING NATURAL OR ARTIFICIAL THREADS OR FIBRES PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SPINNING TEXTILES TREATMENT OF TEXTILES OR THE LIKE TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS
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Beschreibung
Zusammenfassung:	The present invention provides pitch-based ultrafine carbon fibers that have an average fiber diameter of at least 100 nm and less than 700 nm, and an average fiber length of 10 µm or more, wherein C-O bonds > C=O bonds in terms of the abundance ratio (molar ratio) of C-O bonds and C=O bonds derived from the O1s orbital as measured by X-ray photoelectron spectroscopy.