CPC H01M 50/446 (2021.01) [C08K 3/22 (2013.01); H01M 50/443 (2021.01); H01M 50/489 (2021.01); C08K 2003/2227 (2013.01); H01M 10/0525 (2013.01)] | 14 Claims |
1. A porous separator for electrochemical devices, which provides electrical insulation between a positive electrode and a negative electrode, wherein
the porous separator does not include a polyolefin substrate, and comprises a composition comprising inorganic particles, a polymer binder for coupling between the inorganic particles, and a crosslinking agent that has undergone a crosslinking reaction,
wherein the crosslinking agent is represented by Chemical Formula 4,
in Chemical Formula 4, m4 is an integer of 1 to 100, n4 is an integer of 0 to 30, o4 is an integer of 1 to 1,000, a weight average molecular weight of Chemical Formula 4 is 1,000 to 100,000, and p is a variable dependent thereon.
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