Separator

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United States of America Patent

PATENT NO 9461290
APP PUB NO 20150171397A1
SERIAL NO

14390248

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Provided is a separator which shows excellent performance in electric insulation, electrolyte-holding property and ion- or electron-permeability and which can be stably manufactured. The separator is configured from a laminate non-woven fabric consisting of at least two layers, said layers including a non-woven fabric layer (layer I) that comprises a synthetic fiber having a fiber size of 0.1 μm or greater and less than 4.0 μm and a non-woven fabric layer (layer II) that comprises a thermoplastic resin fiber having a fiber size of 4.0-30.0 μm inclusive, and has a weight per area of 3.0 g/m2 or greater and less than 20.0 g/m2.

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Patent Owner(s)

Patent OwnerAddress
MITSUI CHEMICALS ASAHI LIFE MATERIALS CO LTD2-2-1 YAESU CHUO-KU TOKYO 1040028 ?1040028

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kato, Kazufumi Tokyo, JP 21 76
Kusakabe, Junichi Tokyo, JP 9 11
Obi, Rumina Tokyo, JP 10 43
Okajima, Shinichi Tokyo, JP 6 30
Yamada, Yusuke Tokyo, JP 286 3539

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