Separator For Electrochemical Device, Manufacuring Method Therefor, And Electrochemical Device Including Same

Abstract: The present invention relates to a separator for an electrochemical device capable of securing peel strength between a porous polymer substrate and an organic/inorganic composite porous layer and having excellent heat resistance, a manufacturing method thereof, and an electrochemical device including the separator. The separator for an electrochemical device according to one embodiment of the present invention comprises: a porous polymer substrate; and an organic/inorganic composite porous layer located on at least one surface of the porous polymer substrate and comprising inorganic particles and a particle-type acryl-based binder polymer, wherein the particle-type acryl-based binder polymer has a structure cross-linked through a benzophenone functional group.

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