US Patent Issued to Asahi Kasei Battery Separator on Aug. 18 for "High-strength separator" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,712,241, issued on Aug. 18, was assigned to Asahi Kasei Battery Separator Corp. (Tokyo).

"High-strength separator" was invented by Xun Zhang (Tokyo), Ryo Kuroki (Tokyo), Yuichiro Ido (Tokyo), Kensuke Niimura (Tokyo) and Tomoki Ishikawa (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A separator for an electricity storage device has a cross-sectional crystal orientation of 0.85 or greater, and/or a method for producing the separator for an electricity storage device comprises a step of using a continuous mixer under conditions with a temperature of 20deg C. to 70deg C., a shear rate of 100 to 400,000 seconds-1 and a residence time of 1.0 seconds to...