Samsung Sdi Co., Inc.

Eun-Gyeong Lee

Jong-Hwan Park

Byeong-Gyu Cho

Hyung-Bae Kim

Jin-Hyuk In

A separator for a rechargeable lithium battery includes a substrate; and a coating layer positioned on at least one side of the substrate, wherein a thickness ratio of the coating layer relative to the total thickness of the substrate and the coating layer ranges from about 5% to about 50%, and a loading level of the coating layer ranges from about 1.4 g/mto about 9.8 g/m, and a rechargeable lithium battery including the same is provided.

Separator for rechargeable lithium battery and rechargeable lithium battery including the same

A separator for a rechargeable lithium battery includes: a substrate; and a coating layer on at least one side of the substrate, the coating layer including an acrylic-based copolymer obtained from polymerization of a (meth)acrylate salt and (meth)acrylonitrile, and a polyvinyl alcohol-based compound. A rechargeable lithium battery including the separator is also provided.

Growing community of inventors

Yongin-si, South Korea

Eun-Gyeong Lee