Li-Ni composite oxide particles for non-aqueous electrolyte secondary battery, process for producing the same, and non-aqueous electrolyte secondary battery

Li-Ni composite oxide particles for non-aqueous electrolyte secondary battery, process for producing the same, and non-aqueous electrolyte secondary battery

The present invention relates to Li-Ni composite oxide particles for a non-aqueous electrolyte secondary battery which have a large charge/discharge capacity and are excellent in thermal stability under a charged condition. The above object can be achieved by the Li-Ni composite oxide particles for...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SASAKI OSAMU, KIKUYA KAZUHIKO, YAMAMOTO HIROSHI, SANTOKI TERUAKI
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:The present invention relates to Li-Ni composite oxide particles for a non-aqueous electrolyte secondary battery which have a large charge/discharge capacity and are excellent in thermal stability under a charged condition. The above object can be achieved by the Li-Ni composite oxide particles for a non-aqueous electrolyte secondary battery, comprising a Li-Ni composite oxide whose secondary particles form core particles thereof and have a composition represented by the formula: Li x1 Ni 1-y1-z1-w1 Co y1 Mn z1 M w1 O 2 (in which 0.9