Separator and electrochemical device having the same
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United States of America Patent
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May 30, 2017
Grant Date -
Sep 25, 2014
app pub date -
Jun 5, 2014
filing date -
Apr 30, 2012
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Abstract
The present invention refers to a separator and an electrochemical device having the same. The separator of the present invention comprises a non-woven fabric substrate obtained from fibers and having multiple pores formed between the fibers; and a polymer coating layer formed on a part or the whole of the surface of the fibers, wherein the polymer coating layer comprises a polymer having a tensile strength of 80 MPa or more, a tensile modulus of 3,000 MPa or more and a flexural modulus of 3,000 MPa or more.
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