Organic/Inorganic Complex Coating Porous Separator And Secondary Battery Using The Same
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United States of America Patent
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Issued Date -
Oct 22, 2015
app pub date -
Nov 7, 2013
filing date -
Feb 12, 2013
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Abandoned
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Abstract
There is provided an organic/inorganic complex coating porous separator including a porous substrate, and an organic/inorganic complex coating layer formed in a single layer or multiple layers on a single surface or both surfaces of the porous substrate or at least a part of a pore portion of the porous substrate using a coating solution comprising a binder dispersed or suspended in a certain size and selectively comprising inorganic particles, and a secondary battery including the same. According to the present invention, since the coating solution comprising the binder dispersed in a certain size or less in a solvent is coated/dried on the porous substrate, a organic/inorganic complex coating porous separator having excellent air permeability and adhesive strength and a secondary battery including the organic/inorganic complex coating porous separator are provided.
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