Non-aqueous-secondary-battery separator and non-aqueous secondary battery
AssigneeTeijin Limited
InventorsAyumi IWAI, Takashi YOSHITOMI, Satoshi NISHIKAWA
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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.
Claims10
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.
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 a fibrillar diameter acquired from a specific surface area of the microporous membrane is from 150 nm to 350 nm.
Dependencies are inferred from the claim text.