LITHIUM MANGANATE, METHOD OF PRODUCING THE SAME, AND LITHIUM CELL PRODUCED BY THE METHOD

LITHIUM MANGANATE, METHOD OF PRODUCING THE SAME, AND LITHIUM CELL PRODUCED BY THE METHOD

The present invention relates to a lithium manganate useful as an active material of positive electrodes for lithium batteries, and a process for producing the same, a positive electrode which uses the same as an active material of positive electrode, and a lithium battery. The lithium manganate of...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SUITA, TOKUO, MIYAZAKI, HIROMITSU
Format: Patent
Sprache:eng ; fre ; ger
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:The present invention relates to a lithium manganate useful as an active material of positive electrodes for lithium batteries, and a process for producing the same, a positive electrode which uses the same as an active material of positive electrode, and a lithium battery. The lithium manganate of the present invention has a cubic particle form and contains voids in the particles, and therefore lithium batteries using it as an active material of positive electrodes provides a high initial discharge capacity of at least 95 mAh/g and, besides, are excellent in cycle characteristics.