Lithium-iron-manganese-based composite oxide and lithium-ion secondary battery using same

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United States of America Patent

PATENT NO 10847788
APP PUB NO 20180069236A1
SERIAL NO

15551853

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Abstract

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There is provided a lithium-iron-manganese-based composite oxide capable of providing a lithium-ion secondary battery which has a high capacity retention rate in charge/discharge cycles and in which the generation of a gas caused by charge/discharge cycles is suppressed. A lithium-iron-manganese-based composite oxide having a layered rock-salt structure, wherein at least a part of the surface of a lithium-iron-manganese-based composite oxide represented by the following formula is coated with an oxide of at least one metal selected from the group consisting of La, Pr, Nd, Sm and Eu:

description='In-line Formulae' end='lead'LixM1(y-p)MnpM2(z-q)FeqO(2-δ) description='In-line Formulae' end='tail'

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Patent Owner(s)

Patent OwnerAddress
NEC CORPORATION7-1 SHIBA 5-CHOME MINATO-KU TOKYO 1088001 ?1088001
TANAKA CHEMICAL CORPORATIONFUKUI-SHI FUKUI 910-3131

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Doumae, Kyousuke Fukui, JP 7 38
Hattori, Sadanori Tokyo, JP 14 29
Kuratani, Kentaro Osaka, JP 2 3
Shibuya, Hideka Fukui, JP 5 3
Tabuchi, Mitsuharu Osaka, JP 21 117
Tamura, Noriyuki Tokyo, JP 50 298
Yuge, Ryota Tokyo, JP 55 170

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