Lg Chem, Ltd

Jungyeon Lee

Seung Heon Lee

Kun Seok Lee

Hyejin Kwon

Sun Mi Jin

The present application relates to an ink composition for a secondary battery separator, a separator for a secondary battery including the same, and a method for preparing the same.

Ink composition for secondary battery separation film, and secondary battery separation film including same

The present application relates to a separator and a battery comprising the same. A separator according to an exemplary embodiment of the present application includes: a porous substrate; and a first bonding layer pattern provided on at least one surface of the porous substrate, in which each pattern constituting the first bonding layer pattern is a pattern including a second bonding layer pattern having an aperture ratio of 5% or more and 40% or less.

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Daejeon, South Korea

Jungyeon Lee