IP & T Group LLP
Composite separator for secondary battery and lithium secondary battery including the same
Provided are a composite separator for a secondary battery including: a porous substrate; and a coating layer, formed on the porous substrate, by thermally curing aqueous slurry including inorganic particles, first binder particles, a second binder, and a thermal curing agent, wherein the first binder particles contain a copolymer of a monomer mixture including an acrylamide-based monomer, a vinyl cyanide-based monomer, an acrylic monomer having a carboxyl group, and an acrylic monomer having a hydroxyl group, and a lithium secondary battery including the same.
SK INNOVATION CO., LTD. SK IE TECHNOLOGY CO., LTD.
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Yun Bong Su Ji Won Sub Kyu Young Hye Jin
Kim Lee Kwack Cho Kim