NONWOVEN FABRIC FORMED FROM FIBER COATED WITH ORGANIC BINDER POLYMER COMPOUND, ELECTROCHEMICAL DEVICE COMPRISING NONWOVEN FABRIC, AND METHOD FOR MANUFACTURING NONWOVEN FABRIC

摘要

The present invention relates to: a nonwoven fabric in which a binder polymer is coated on a fiber by providing a nonwoven fabric-forming fiber to an organic binder polymer compound solution when manufacturing nonwoven fabric; an electrochemical device using the nonwoven fabric as a material for a separation membrane; and a method for manufacturing the nonwoven fabric. Pores having a diameter of 0.001-10 μm are formed so as to ensure the movement of a lithium ion and to have mechanical properties required for a separation membrane. In addition, a process for applying a separate adhesive layer when the nonwoven fabric is used as a separation membrane for an electrochemical device is unnecessary, thereby simplifying a process for manufacturing a separation membrane.