POSITIVE-ELECTRODE ACTIVE MATERIAL FOR ALL-SOLID-STATE LITHIUM-ION CELL, ELECTRODE, AND ALL-SOLID-STATE LITHIUM-ION CELL

POSITIVE-ELECTRODE ACTIVE MATERIAL FOR ALL-SOLID-STATE LITHIUM-ION CELL, ELECTRODE, AND ALL-SOLID-STATE LITHIUM-ION CELL

What is provided is a positive electrode active material for an all-solid-state lithium-ion battery composed of particles containing crystals of a lithium metal composite oxide, wherein the particles have a hexagonal layered crystal structure belonging to the space group R-3m and contain at least Li...

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Bibliographische Detailangaben
Hauptverfasser: KAGEURA, Jun-ichi, MURAKAMI, Chikara, KADOWAKI, Takuya
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:What is provided is a positive electrode active material for an all-solid-state lithium-ion battery composed of particles containing crystals of a lithium metal composite oxide, wherein the particles have a hexagonal layered crystal structure belonging to the space group R-3m and contain at least Li and a transition metal, and in powder x-ray diffraction measurement using CuKa rays, the crystallite size L003 of a diffraction peak in a range of 2θ=18.7±1° is 1,300Å or less, and wherein the BET specific surface area is 0.2 m2/g or more and 2.0 m2/g or less.