LG Chem is in the middle of a lawsuit regarding patent infringement of Celgard's separator. If they lose this lawsuit they could be in the market for a new ceramic separator. This could be a major blow to LG Chem because not only does it involve their own batteries but they license the separator tech. to other companies.https://casetext.com/case/celgard-llc-v-lg-chem-am-1