SEALING MATERIAL FOR ELECTROCHEMICAL ELEMENT AND ELECTROCHEMICAL ELEMENT CONTAINING THE SAME

摘要

The present invention provides an electrochemical element, wherein a multi-component composite film comprising a) polymer support layer film and b) a porous gellable polymer layer which is formed on either or both sides of the support layer film of a), wherein the support layer film of a) and the gellable polymer layer of b) are unified with each other without an interface between them.