US Patent Issued to Asahi Kasei Battery Separator on Sept. 30 for "Composite-type stacked chemically-crosslinked separator" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,588, issued on Sept. 30, was assigned to Asahi Kasei Battery Separator Corp. (Tokyo).

"Composite-type stacked chemically-crosslinked separator" was invented by Xun Zhang (Tokyo), Yusuke Akita (Tokyo), Hayato Matsuyama (Tokyo) and Hiromi Kobayashi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The purpose of the present disclosure is to provide: a safer polyolefin microporous membrane; an electricity storage device separator, electricity storage device assembly kit, and electricity storage device using the polyolefin microporous membrane; and an electricity storage device. In one embodiment, the polyolefin microporous membrane comprises at le...