GRAPHITE MATERIAL CONTAINING BORON, METHOD OF MANUFACTURING IT, AND LITHIUM ION SECONDARY CELL

PROBLEM TO BE SOLVED: To provide a lithium ion secondary cell having a high capacity and excellent ability of rapid charging and discharging, which is obtained by finding a graphite material having a large capacity of lithium occlusion and release and a method of manufacturing it. SOLUTION: The grap...

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Bibliographische Detailangaben
Hauptverfasser:	TAMAKI TOSHIO, NISHIMURA KASUKE
Format:	Patent
Sprache:	eng
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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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a lithium ion secondary cell having a high capacity and excellent ability of rapid charging and discharging, which is obtained by finding a graphite material having a large capacity of lithium occlusion and release and a method of manufacturing it. SOLUTION: The graphite material is characterized in that at least a part of β site carbons in the plane of hexagonal network of the graphite structure is substituted by boron.