US Patent Issued to Celgard on Nov. 11 for "Battery separator including microporous polyolefin membrane with ceramic coating" (North Carolina, South Carolina Inventors)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,469,931, issued on Nov. 11, was assigned to Celgard LLC (Charlotte, N.C.).

"Battery separator including microporous polyolefin membrane with ceramic coating" was invented by Zhengming Zhang (Rock Hill, S.C.), Xuefa Li (Matthews, N.C.), Lie Shi (Matthews, N.C.), Premanand Ramadass (Charlotte, N.C.), Paul M. Halmo (Denver, N.C.) and Xiaomin Zhang (Charlotte, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A ceramic-coated battery separator having a microporous polyolefin membrane and a ceramic coating on at least one surface of the microporous polyolefin membrane, wherein the ceramic-coated separator exhibits a strain shrinkage of 0% at temperatures g...