Abstract: A separator for a rechargeable lithium battery and a rechargeable lithium battery including the same are provided, and the separator for the rechargeable lithium battery includes a porous substrate and a coating layer on at least one surface of the porous substrate and including polyethylene particles and ceramics. The content of the polyethylene particles is 40 to 65 wt % by weight of the content of the porous substrate, the weight-average molecular weight of the polyethylene particles ranges from 1000 g/mol to 3000 g/mol, and the mixing ratio (ratio by weight) of the polyethylene particles to the ceramics ranges from 95:5 to 80:20.

Abstract: A separator for a rechargeable lithium battery and a rechargeable lithium battery including the same are provided, and the separator for a rechargeable lithium battery comprises: a porous substrate; and a coating layer disposed on at least one surface of the porous substrate and comprising first polyethylene particles, second polyethylene particles, and ceramics, wherein the ratio of the average size of the second polyethylene particles to the average size of the first polyethylene particles ranges from 25 to 80%.

Abstract: Examples of the disclosure include a separator for a lithium secondary battery, and a lithium secondary battery including the separator. The separator for a lithium secondary battery includes a porous substrate; and a coating layer which is located on at least one side of the porous substrate and that includes polyethylene particles and ceramics, wherein the ceramics have an aspect ratio of 1.5-3.0.

Abstract: Provided are a separator for a lithium secondary battery and a lithium secondary battery comprising same. The separator for a lithium secondary battery includes a porous substrate and a coating layer positioned on at least one surface of the porous substrate and including polyethylene particles, inorganic particles, and a binding binder, wherein the inorganic particles are a mixture of first inorganic particles and second inorganic particles, the second inorganic particles are plate-shaped Mg(OH)2, the mixing ratio of the polyethylene particles and the inorganic particles is 5:5 to 8:2 by weight, and the mixing ratio of the first inorganic particles and the second inorganic particles is 1:9 to 3:7 by weight.

Abstract: A separator for a rechargeable lithium battery, the separator includes a substrate; a heat resistant layer on the substrate; and an adhesive layer on the heat resistant layer, wherein the heat resistant layer includes inorganic particles, and a salt-based heat resistant binder, the adhesive layer includes a PVdF first adhesive binder, and a cyano group (—CN)-containing acrylic second adhesive binder.

Abstract: A separator for a rechargeable lithium battery, the separator includes a substrate; a heat resistant layer on the substrate; and an adhesive layer on the heat resistant layer, wherein the heat resistant layer includes inorganic particles, and a salt-based heat resistant binder, the adhesive layer includes a first adhesive binder including PVdF-acrylate; a PVdF homopolymer second adhesive binder; and a P(VdF-co-HFP) copolymer third adhesive binder, the third adhesive binder has a weight ratio of VdF and HFP of about 95:5 to about 50:50 and includes a C?O functional group of a (meth)acrylic acid monomer, and the adhesive layer includes about 10 to about 40 wt % of the first adhesive binder; about 30 to about 80 wt % of the second adhesive binder; and about 10 to about 40 wt % of the third adhesive binder, all wt % being based on a total weight of the adhesive layer.

Abstract: A separator for a rechargeable lithium battery, the separator includes a substrate; a heat resistant layer on the substrate; and an adhesive layer on the heat resistant layer, wherein the heat resistant layer includes two types of inorganic particles with different D50 particle diameters, and a salt-based heat resistant binder, and the adhesive layer includes a PVdF first adhesive binder, and a cyano group (—CN)-containing acrylic second adhesive binder.