Abstract: Separators and lithium secondary batteries including the separators that can exhibit excellent high-temperature storage stability and capacity retention rate of a lithium secondary battery, a low resistance increase rate, and significantly decreased gas emission are disclosed. In an example embodiment, a separator includes: a porous substrate and a coating layer formed on one or both surfaces of the porous substrate, wherein the coating layer includes inorganic particles, and a water-soluble composite binder including polyethylene oxide and a nitrogen-containing water-soluble polymer.

Abstract: Separators and lithium secondary batteries including the separators that can exhibit excellent high-temperature storage stability and capacity retention rate of a lithium secondary battery, a low resistance increase rate, and significantly decreased gas emission are disclosed. In an example embodiment, a separator includes: a porous substrate and a coating layer formed on one or both surfaces of the porous substrate, wherein the coating layer includes a water-soluble composite binder including polyethyleneimine and a nitrogen-containing water-soluble polymer, and inorganic particles.

Abstract: Separators and lithium secondary batteries including the separators that can exhibit excellent high-temperature storage stability and capacity retention rate of a lithium secondary battery, a low resistance increase rate, and significantly decreased gas emission are disclosed. In an example embodiment, a separator includes: a porous substrate and a coating layer formed on one or both surfaces of the porous substrate, wherein the coating layer includes a water-soluble crosslinked polyacrylamide-based binder and barium sulfate.

Abstract: Provided are a composite separator including a coating layer including inorganic particles and a binder formed on a porous substrate, which has improved coatability and improved thermal shrinkage, and a lithium secondary battery using the same.

Abstract: Provided are a separator, a method of manufacturing the separator, and an electrochemical device including the separator. According to an embodiment of the present disclosure, a separator including a porous substrate and an inorganic particle layer provided on at least one surface of the porous substrate, the inorganic particle layer including inorganic particles, a hydrolytic condensate binder of a polar silane compound, and an aqueous polymer binder, wherein an amount of change in peel strength, ?P is 1.1 or more may be provided.

Abstract: A separator, a method of manufacturing the separator, and an electrochemical device including the separator with the separator including: a porous substrate; and an inorganic particle layer provided on at least one surface of the porous substrate, wherein the inorganic particle layer includes inorganic particles and a hydrolytic condensate of a silane compound.

Abstract: A separator, a method of manufacturing the separator, and an electrochemical device including the separator with the separator including: a porous substrate; and an inorganic particle layer provided on at least one surface of the porous substrate, wherein the inorganic particle layer includes inorganic particles and a hydrolytic condensate of a silane compound.

Abstract: A separator, a method of manufacturing the separator, and an electrochemical device including the separator with the separator including: a porous substrate; and an inorganic particle layer provided on at least one surface of the porous substrate, wherein the inorganic particle layer includes inorganic particles and a hydrolytic condensate of a silane compound.

Abstract: Provided are a separator, a method of manufacturing the separator, and an electrochemical device including the separator. According to an embodiment of the present disclosure, a separator including a porous substrate and an inorganic particle layer provided on at least one surface of the porous substrate, the inorganic particle layer including inorganic particles, a hydrolytic condensate binder of a polar silane compound, and an aqueous polymer binder, wherein an amount of change in peel strength, ?P is 1.1 or more may be provided.

Abstract: Provided is a separator for a lithium secondary battery including a porous substrate and a coating layer including a binder and inorganic particles formed on one surface or both surfaces of the porous substrate. The binder is a binder including: (a) a (meth)acrylamide-based monomer polymerization unit, (b) a (meth)acryl-based monomer polymerization unit containing a hydroxyl group, and (c) a polyfunctional (meth)acrylamide-based monomer polymerization unit. The separator according to the present invention provides a separator for a lithium secondary battery having improved adhesive strength between the inorganic particles and the separator, showing a decreased interfacial resistance characteristic, and showing an improved air permeability.

Abstract: A separator, a method of manufacturing the separator, and an electrochemical device including the separator. The separator includes: a porous substrate; and an inorganic particle layer formed on at least one surface of the porous substrate, wherein a release rate of the inorganic particle layer is 70% or more when measured by immersing the separator in a water tank at room temperature and then subjecting the separator to sonication under conditions of a frequency of 40 kHz, an output of 1,000 W, and an application time of 60 seconds.

Abstract: Provided are a separator, a method of manufacturing the separator, and an electrochemical device including the separator. According to an embodiment of the present disclosure, a separator including: a porous substrate and an inorganic particle layer provided on at least one surface of the porous substrate may be provided, wherein a value of the following Formula (1) is 0.135 or more: (1) BDV/t, wherein BDV is a voltage (kV) when a leakage current value is 5 mA, and t is an overall average thickness (?m) of the separator.

Abstract: Provided are a separator, a method of manufacturing the separator, and an electrochemical device including the separator. According to an embodiment of the present disclosure, a separator including: a porous substrate and an inorganic particle layer provided on at least one surface of the porous substrate may be provided, wherein a value of the following Formula (1) is 0.135 or more: (1) BDV/t, wherein BDV is a voltage (kV) when a leakage current value is 5 mA, and t is an overall average thickness (?m) of the separator.

Abstract: A separator, a method of manufacturing the separator, and an electrochemical device including the separator. The separator includes: a porous substrate; and an inorganic particle layer formed on at least one surface of the porous substrate, wherein a release rate of the inorganic particle layer is 70% or more when measured by immersing the separator in a water tank at room temperature and then subjecting the separator to sonication under conditions of a frequency of 40 kHz, an output of 1,000 W, and an application time of 60 seconds.

Abstract: Provided are a separator, a method of manufacturing the separator, and an electrochemical device including the separator. According to an embodiment, a separator including: a porous substrate; and an inorganic particle layer including a binder and inorganic particles on at least one surface of the porous substrate may be provided, wherein the binder is a water-soluble binder including a (meth)acrylamide-based monomer polymerization unit and the separator has a value of the following Formula (1) satisfying 0.15 or more: BDV/t ??(1) wherein ‘BDV’ is a voltage (kV) measured in accordance with ASTM D 3755, when a leakage current value is 5 mA, measured under conditions of raising an applied voltage at 5 kV/10 sec after placing the separator between electrodes of a withstand voltage tester (Hipot Tester), and ‘t’ is an overall average thickness (?m) of the separator.

Abstract: Provided are a separator coating composition for a secondary battery including inorganic particles and a silane salt compound having a specific structure, a separator using the same, and an electrochemical device including the same. Specifically, a separator coating composition for a secondary battery which implements adhesion between an inorganic material layer and a porous substrate without including an acid/polymer-based organic binder in a coating composition for forming the inorganic material layer on one or both surfaces of the porous substrate and does not need a separate dispersing agent for dispersing the inorganic particles, a separator manufactured using the same, and an electrochemical device including the separator are provided.

Abstract: The present invention relates to a separator, a method of manufacturing the separator, and an electrochemical device including the separator. An embodiment of the present invention may provide a separator including: a porous substrate; an inorganic particle layer provided on at least one surface of the porous substrate; and a heat fusion layer provided on at least one surface of the inorganic particle layer, wherein a surface gloss value at 60° C. of a surface of the heat fusion layer is 10 GU or more.

Abstract: A separator for a secondary battery, a method of manufacturing the separator, and a secondary battery including the separator, where these separator includes: a porous substrate and an inorganic particle layer formed on at least one surface of the porous substrate, wherein a heat shrinkage rate S of the separator is 8% or less may be provided.

Abstract: A separator, a method of manufacturing the separator, and an electrochemical device including the separator with the separator including: a porous substrate; and an inorganic particle layer provided on at least one surface of the porous substrate, wherein the inorganic particle layer includes inorganic particles and a hydrolytic condensate of a silane compound.

Abstract: Provided are a separator, a method of manufacturing the separator, and an electrochemical device including the separator. According to an embodiment of the present disclosure, a separator including a porous substrate and an inorganic particle layer provided on at least one surface of the porous substrate, the inorganic particle layer including inorganic particles, a hydrolytic condensate binder of a polar silane compound, and an aqueous polymer binder, wherein an amount of change in peel strength, ?P is 1.1 or more may be provided.