SK IE Technology Co., Ltd., together with its subsidiaries, engages in manufacturing and selling of battery materials in South Korea, Asia, and Europe. It offers lithium-ion battery separator, blocking direct contact between the positive and negative electrodes and lithium. It provides film based and ceramic coated separators for IT devices and EV batteries; and flexible cover window material to replace the glass cover window of foldable phones, IT devices and automotive displays. The company was incorporated in 2019 and is headquartered in Seoul, South Korea. SK IE Technology Co., Ltd. is a subsidiary of SK Innovation Co., Ltd.