U.S. Patent 10,147,974 “BATTERY SEPARATOR MEMBRANE AND BATTERY EMPLOYING SAME” Issued to Dioxide Materials

U.S. Patent 10,147,974 “BATTERY SEPARATOR MEMBRANE AND BATTERY EMPLOYING SAME” was issued on Dec 4, 2018. It claims the use of amine functionalized Styrene/Vinylbenzylchloride membranes in batteries. It also claims 18 different methods to reduce the metal cross-over through the membranes.