Celgard, LLC (Celgard), a subsidiary of Polypore International, LP, is pleased to announce it has entered into a multi-year joint development agreement with Morrow Batteries AS (Morrow). Celgard will work with Morrow to develop, test, and commercialize next generation dry-process battery separators that will be used in Morrow high-voltage battery cells with lithium nickel manganese oxide (LNMO) cathode material for electric vehicle (EV) and energy storage system (ESS) applications. While