NON-AQUEOUS-SECONDARY-BATTERY SEPARATOR AND NON-AQUEOUS SECONDARY BATTERY
First Claim
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1. A non-aqueous-secondary-battery separator comprising:
- a microporous membrane containing a fibrillar resin; and
an adhesive porous layer which is provided on one or both surfaces of the microporous membrane and contains a fibrillar polyvinylidene fluoride resin,wherein an average pore diameter acquired from a specific surface area of the microporous membrane is from 50 nm to 90 nm.
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Abstract
Provided is a non-aqueous-secondary-battery separator including: a microporous membrane containing a fibrillar resin; and an adhesive porous layer which is provided on one or both surfaces of the microporous membrane and contains a fibrillar polyvinylidene fluoride resin, in which an average pore diameter acquired from a specific surface area of the microporous membrane is from 50 nm to 90 nm or a fibrillar diameter acquired from a specific surface area of the microporous membrane is from 150 nm to 350 nm.
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Citations
10 Claims
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1. A non-aqueous-secondary-battery separator comprising:
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a microporous membrane containing a fibrillar resin; and an adhesive porous layer which is provided on one or both surfaces of the microporous membrane and contains a fibrillar polyvinylidene fluoride resin, wherein an average pore diameter acquired from a specific surface area of the microporous membrane is from 50 nm to 90 nm. - View Dependent Claims (3, 4, 5, 6)
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2. A non-aqueous-secondary-battery separator comprising:
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a microporous membrane containing a fibrillar resin; and an adhesive porous layer which is provided on one or both surfaces of the microporous membrane and contains a fibrillar polyvinylidene fluoride resin, wherein a fibrillar diameter acquired from a specific surface area of the microporous membrane is from 150 nm to 350 nm. - View Dependent Claims (7, 8, 9, 10)
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Specification