Polypore
Assembly Line
Establishment of joint venture in China for dry-process LIB separator
Asahi Kasei’s wholly owned subsidiary Polypore International, LP (Polypore) and Shanghai Energy New Materials Technology Co., Ltd. (SEMCORP) reached agreement in January 2021 to establish a joint venture in China for dry-process separator* for lithium-ion batteries (LIBs). With the receipt of the necessary regulatory approvals, the joint venture has been established as described below.
Based on a license from Polypore’s subsidiary Celgard, LLC, for technology and intellectual property related to dry-process polypropylene (PP) separator, the joint venture will manufacture and sell high-quality, high-performance dry-process separator in China for LIBs used in energy storage systems (ESS) and electric-drive vehicles (EDVs).