Patent ID: 11929520
Assignee: LG ENERGY SOLUTION, LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  C  Y | IPC C  H

Claim 0:
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.