POSITIVE ELECTRODE ACTIVE MATERIAL PARTICLES FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND PRODUCTION METHOD THEREFOR, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

POSITIVE ELECTRODE ACTIVE MATERIAL PARTICLES FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND PRODUCTION METHOD THEREFOR, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

Excellent thermal stability in addition to excellent cycle property with maintaining a sufficient battery capacity is shown by positive electrode active material particles having a layered rock salt structure, represented by the compositional formula: (LiγXe)(NiaCobXcZd)O2, in the compositional form...

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Bibliographische Detailangaben
Hauptverfasser: SUGIHARA Takahiko, NOGUCHI Hiroyoshi, KASHIWAGI Junji, NISHIKAWA Daisuke, KOGA Kazumichi, MATSUMOTO Kazutoshi, NAKAMURA Satoshi, ISHIZAKI Kazutoshi
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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Zusammenfassung:Excellent thermal stability in addition to excellent cycle property with maintaining a sufficient battery capacity is shown by positive electrode active material particles having a layered rock salt structure, represented by the compositional formula: (LiγXe)(NiaCobXcZd)O2, in the compositional formula: X is a divalent metallic element capable of substituting for Li-site; Z is a metallic element containing at least Al and/or Mn, other than X; 0.93 ≤γ≤1.15; 0.82 ≤a < 1.00; 0 ≤b ≤0.12; 0.001 ≤c+e≤0.040; 0≤d≤0.10; and a+b+ c+d=1.