Positive electrode active material particles for non-aqueous electrolyte secondary batteries and method for producing same, and non-aqueous electrolyte secondary battery

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United States of America Patent

PATENT NO 12051804
APP PUB NO 20200411861A1
SERIAL NO

17020136

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
BASF TODA BATTERY MATERIALS LLC2-16-4 KONAN SHINAGAWA GRAND CENTRAL T MINATO-KU TOKYO 108-0075

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ishizaki, Kazutoshi Sanyoonoda, JP 14 174
Kashiwagi, Junji Sanyoonoda, JP 7 0
Koga, Kazumichi Sanyoonoda, JP 21 142
Matsumoto, Kazutoshi Matsudo, JP 32 310
Nakamura, Satoshi Sanyoonoda, JP 476 4052
Nishikawa, Daisuke Sanyoonoda, JP 48 614
Noguchi, Hiroyoshi Sanyoonoda, JP 14 18
Sugihara, Takahiko Sanyoonoda, JP 4 36

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