Lithium cobalt oxide, process for producing same, positive active material for lithium secondary battery, and lithium secondary battery

The purpose of the present invention is to provide lithium cobalt oxide with which it is possible to heighten the capacity retention of a lithium secondary battery and heighten the capacity thereof. This lithium cobalt oxide is characterized by having an average particle diameter of 15-35 m, an Li/C...

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Bibliographische Detailangaben
1. Verfasser:	OOISHI, YOSHIHIDE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,RUBIDIUM, CAESIUM, OR FRANCIUM ELECTRICITY INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OFSOLID INORGANIC COMPOUNDS INORGANIC CHEMISTRY MANUFACTURE OR TREATMENT OF NANOSTRUCTURES MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES METALLURGY NANOTECHNOLOGY PERFORMING OPERATIONS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES TRANSPORTING
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Beschreibung
Zusammenfassung:	The purpose of the present invention is to provide lithium cobalt oxide with which it is possible to heighten the capacity retention of a lithium secondary battery and heighten the capacity thereof. This lithium cobalt oxide is characterized by having an average particle diameter of 15-35 m, an Li/Co molar ratio of 0.900-1.040, and a residual-alkali content of 0.05 mass% or less.