Separator for non-aqueous secondary battery and non-aqueous secondary battery

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10074840
APP PUB NO 20150263325A1
SERIAL NO

14440951

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Abstract

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Provided is a separator for a non-aqueous secondary battery, including: a porous substrate, and a heat resistant porous layer that is provided on one side or both sides of the porous substrate, that is an aggregate of resin particles and an inorganic filler, and that satisfies the following expression (1). In expression (1), Vf is a volume proportion (% by volume) of the inorganic filler in the heat resistant porous layer, and CPVC is a critical pigment volume concentration (% by volume) of the inorganic filler. Also provided is a separator for a non-aqueous secondary battery, including: a porous substrate, a heat resistant porous layer that is provided on one side or both sides of the porous substrate, that includes a resin and an filler, and that satisfies the following expression (2), and an adhesive porous layer that is provided on both sides of a stacked body of the porous substrate and the heat resistant porous layer, and that includes an adhesive resin. In expression (2), Vf is a volume proportion (% by volume) of the filler in the heat resistant porous layer, and CPVC is a critical pigment volume concentration (% by volume) of the filler.

description='In-line Formulae' end='lead'0.65≤Vf/CPVC≤0.99  expression (1)description='In-line Formulae' end='tail'

description='In-line Formulae' end='lead'0.40≤Vf/CPVC≤0.99  expression (2)description='In-line Formulae' end='tail'

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Patent Owner(s)

Patent OwnerAddress
TEIJIN LIMITED2-4 NAKANOSHIMA 3-CHOME KITA-KU OSAKA-SHI OSAKA-FU 530-0005
SEMCORP GLOBAL HOLDINGS KFT1062 BUDAPEST ANDRÁSSY ÚT 100

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Honda, Susumu Iwakuni, JP 76 1184
Nishikawa, Satoshi Iwakuni, JP 252 2711
Yoshitomi, Takashi Iwakuni, JP 59 598

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