SYNTHETIC GRAPHITE MATERIAL, SYNTHETIC GRAPHITE MATERIAL PRODUCTION METHOD, NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY

SYNTHETIC GRAPHITE MATERIAL, SYNTHETIC GRAPHITE MATERIAL PRODUCTION METHOD, NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY

Provided is a synthetic graphite material, in which a size L (112) of a crystallite in a c-axis direction as calculated from a (112) diffraction line obtained by an X-ray wide angle diffraction method is in a range of 4 to 30 nm, a surface area based on a volume as calculated by a laser diffraction...

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Bibliographische Detailangaben
Hauptverfasser: KAWACHI, Hiroshi, SUZUKI, Takashi, MAEDA, Takashi, SHIRAI, Takahiro, KIUCHI, Noriyuki, KARAKANE, Mitsuo
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
CHEMISTRY
COMPOUNDS THEREOF
ELECTRICITY
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:Provided is a synthetic graphite material, in which a size L (112) of a crystallite in a c-axis direction as calculated from a (112) diffraction line obtained by an X-ray wide angle diffraction method is in a range of 4 to 30 nm, a surface area based on a volume as calculated by a laser diffraction type particle size distribution measuring device is in a range of 0.22 to 1.70 m2/cm3, an oil absorption is in a range of 67 to 147 mL/100 g, and a nitrogen adsorption specific surface area is in a range of 3.1 to 8.2 m2/g.