POSITIVE ELECTRODE MATERIAL FOR LITHIUM SECONDARY BATTERY POSITIVE ELECTRODE AND SECONDARY BATTERY

POSITIVE ELECTRODE MATERIAL FOR LITHIUM SECONDARY BATTERY POSITIVE ELECTRODE AND SECONDARY BATTERY

The present invention relates to a cathode material, which includes: a first cathode active material, which is composed of large-particle diameter particles having a large average particle diameter; and a second cathode active material, which is composed of small-particle diameter particles having a...

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Bibliographische Detailangaben
Hauptverfasser: KANG DONG RYOUNG, KIM JAE GEUN, LEE WOO RAM, EOM JUN HO, PARKRI
Format: Patent
Sprache:eng ; kor
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:The present invention relates to a cathode material, which includes: a first cathode active material, which is composed of large-particle diameter particles having a large average particle diameter; and a second cathode active material, which is composed of small-particle diameter particles having a small average particle diameter, wherein the first cathode active material and the second cathode active material are each independently a lithium transition metal oxide in which the molar ratio of nickel among transition metals is 80 mol% or more, and satisfy the formula (1). Formula (1): 0