US Patent Issued to SSLM on Sept. 8 for "Nonaqueous electrolyte secondary battery separator, nonaqueous electrolyte secondary battery member, and nonaqueous electrolyte secondary battery" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,731,867, issued on Sept. 8, was assigned to SSLM Co. LTD. (Daegu, South Korea).

"Nonaqueous electrolyte secondary battery separator, nonaqueous electrolyte secondary battery member, and nonaqueous electrolyte secondary battery" was invented by Akihiko Shin (Niihama, Japan) and Yuki Yoneguchi (Niihama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a nonaqueous electrolyte secondary battery separator capable of satisfactorily maintaining ion permeability even after being compressed. The nonaqueous electrolyte secondary battery separator includes a polyolefin porous film in which an average of inclination angles of major axes of voids ex...