Disclosed is a separator for an electrochemical device and an electrochemical device including the same. The separator for the electrochemical device can reduce the weight of the separator, can improve the energy density of a battery, and can enhance stiff...

Provided is a composition for an electrochemical device functional layer with which it is possible to form a functional layer for an electrochemical device that has excellent wet adhesiveness and that can cause an electrochemical device to display high out...