POWDER TREATMENT APPARATUS, SPHERE-SHAPED GRAPHITE PARTICLE PRODUCED BY USING THE APPARATUS, NEGATIVE ELECTRODE CONTAINING THE SPHERE-SHAPED GRAPHITE PARTICLE FOR LITHIUM ION SECONDARY BATTERY AND LITHIUM ION SECONDARY BATTERY PROVIDED WITH THE NEGATIVE ELECTRODE

PROBLEM TO BE SOLVED: To provide a new powder treatment apparatus which can efficiently form a powder into a spherical shape while suppressing the production of fine powders, and also can treat a large amount of powders at one time.SOLUTION: The powder treatment apparatus has a channel that is spira...

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Bibliographische Detailangaben
Hauptverfasser:	NOGUCHI NAOKI, MUTSUO SHINGO, ITO HISASHI, HIDAKA HIDETO
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOUNDS THEREOF ELECTRICITY INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a new powder treatment apparatus which can efficiently form a powder into a spherical shape while suppressing the production of fine powders, and also can treat a large amount of powders at one time.SOLUTION: The powder treatment apparatus has a channel that is spirally formed, and forms the powder into a spherical shape by passing the powder through the channel. A cross section of the channel is a rectangle.