INORGANIC OXIDE POWDER, INORGANIC OXIDE-CONTAINING SLURRY, LITHIUM ION SECONDARY BATTERY MANUFACTURED USING THE SLURRY, AND METHOD FOR MANUFACTURING THE SAME

INORGANIC OXIDE POWDER, INORGANIC OXIDE-CONTAINING SLURRY, LITHIUM ION SECONDARY BATTERY MANUFACTURED USING THE SLURRY, AND METHOD FOR MANUFACTURING THE SAME

PROBLEM TO BE SOLVED: To provide inorganic oxide powder suitable for forming an inorganic oxide porous membrane excellent in lithium ion conductivity and having insulating properties, on at least one surface of a positive electrode, negative electrode, or separator configuring a lithium ion secondar...

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Bibliographische Detailangaben
Hauptverfasser: OZAKI HIROTAKA, KOBASHI YASUJI, SHIMADA TAKESHI
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
CHEMISTRY
COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS
ELECTRICITY
INORGANIC CHEMISTRY
METALLURGY
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 inorganic oxide powder suitable for forming an inorganic oxide porous membrane excellent in lithium ion conductivity and having insulating properties, on at least one surface of a positive electrode, negative electrode, or separator configuring a lithium ion secondary battery.SOLUTION: The present invention relates to inorganic oxide powder used for forming an inorganic oxide porous membrane having insulating properties, on at least one surface of a positive electrode, negative electrode, or separator configuring a lithium ion secondary battery. The inorganic oxide powder has: 1) an oxide purity of 90 wt.% or more; 2) an average particle size of 1 μm or less; and 3) an average three-dimensional particle unevenness degree of 3.0 or more.