COMPOSITE OXIDE CONTAINING LITHIUM AND NONAQUEOUS SECONDARY BATTERY USING THE SAME

PROBLEM TO BE SOLVED: To provide a nonaqueous secondary battery having a high capacity, an excellent cycle durability and a preservability under a high temperature by using a lithium-containing composite oxide having a stabilized layered crystal structure, a high packing property, an excellent cycle...

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Bibliographische Detailangaben
Hauptverfasser:	AOYAMA SHIGEO, UEDA TOKUJI, UCHITOMI KAZUTAKA
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F ELECTRICITY INORGANIC CHEMISTRY METALLURGY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a nonaqueous secondary battery having a high capacity, an excellent cycle durability and a preservability under a high temperature by using a lithium-containing composite oxide having a stabilized layered crystal structure, a high packing property, an excellent cycle durability under a high temperature and a stability in high temperature preservation. SOLUTION: The composite oxide containing lithium, which is expressed by general formula: Li1+x+αNi(1-x-y+δ)/2Mn(1-x-y-δ)/2MyO2[wherein, 0≤x≤0.05; -0.05≤x+α≤0.05; 0≤y≤0.4; -0.1≤δ≤0.1 (wherein, 0≤y≤0.2) or -0.24≤δ≤0.24 (wherein, 0.2