Container for heat treatment of positive-electrode active material for lithium-ion battery and method for producing the same

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United States of America Patent

PATENT NO 9733019
SERIAL NO

14008908

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Abstract

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A container for heat treatment of a positive-electrode active material for a lithium-ion battery to the present invention is characterized by having a base portion containing 60 to 95 mass % of alumina, and a surface portion containing 20 to 80 mass % of spinel and formed integrally with the base portion. Moreover, a production method of the present invention is characterized by comprising a step of placing an alumina-based powder, a step of placing a spinel-based powder above the alumina-based powder, a step of forming a compact by compressing the powders and a step of firing the compact.

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Patent Owner(s)

Patent OwnerAddress
TYK CORPORATIONTOKYO 108-0075

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Achiha, Takashi Kobe, JP 2 1
Kamiya, Takahiro Tajimi, JP 24 145
Koike, Yasuta Tajimi, JP 5 4

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