| 摘要 |
The present invention discloses a separator for a battery, which comprises a gel polymer layer formed on a substrate, the gel polymer layer including a plurality of three-dimensional open pores interconnected with each other wherein the gel polymer layer has a solubility parameter of 15 to 45 MPa 1/2 . The invention is also related to a method of preparing said separator as well as a lithium secondary battery. |
