Laminated porous film and non-aqueous electrolyte secondary cell

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United States of America Patent

PATENT NO 10290849
APP PUB NO 20170040584A1
SERIAL NO

15119232

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Abstract

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A laminated porous film, including: a porous layer containing a polyolefin; and a porous layer containing a heat-resistant material and provided on at least one surface of the porous layer containing the polyolefin, the laminated porous film satisfying Formula (I) below,

description='In-line Formulae' end='lead'0.1136×α+0.0819×β+3.8034≥4.40  (I),description='In-line Formulae' end='tail'

    where α is a value of a film resistance (Ω·cm2) of the laminated porous film, and β is a value of a volume (cc/m2) of the heat-resistant material contained per 1 m2 of the porous layer containing the heat-resistant material.

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Patent Owner(s)

  • SUMITOMO CHEMICAL COMPANY, LIMITED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kurakane, Kosuke Osaka, JP 41 203
Murakami, Chikara Osaka, JP 89 498
Okugawa, Takahiro Niihama, JP 12 18
Ozeki, Tomoaki Niihama, JP 12 25
Suzuki, Yutaka Tsukuba, JP 181 3364

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