Polyimide precursor solution, porous polyimide film, separator for secondary battery, and secondary battery

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United States of America

PATENT NO 12247103
APP PUB NO 20230079844A1
SERIAL NO

17577358

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Abstract

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A polyimide precursor solution includes a polyimide precursor having a glass transition temperature Tg of equal to or higher than 300° C. after imidization, an aqueous solvent containing water, an organic amine compound, and resin particles having a volume average particle size of equal to or less than 100 nm.

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Patent Owner(s)

  • FUJIFILM BUSINESS INNOVATION CORP.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ishizuka, Takahiro Kanagawa, JP 89 429
Kashima, Yasunobu Kanagawa, JP 50 110
Yoshimura, Kosaku Kanagawa, JP 25 24

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