CPC H01M 50/446 (2021.01) [H01M 10/052 (2013.01); H01M 50/406 (2021.01)] | 3 Claims |
1. A method of manufacturing a separator comprising:
preparing a slurry comprising inorganic particles, a binder, and a crosslinking agent wherein the slurry does not include a polyolefin substrate,
forming a shape of a separator using the slurry,
conducting a crosslinking reaction at 120° C. to 160° C. to produce a separator, and
drying the separator,
wherein the crosslinking agent comprises a polymer material represented by Formula 1 having a weight average molecular weight of 1,000 to 100,000:
wherein in Formula 1, x is an integer of 1 to 100, y is an integer of 0 to 30, z is an integer of 1 to 1,000, and p is an integer which varies depending on the weight average molecular weight.
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